Individual provider Active NPI

Janaki N. Ramanathan, MD

  • Diagnostic Radiology Physician
  • San Francisco, CA
National Provider Identifier
1275611873
Registry record updated Sep 23, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
A80398 Issued in CA
Practice address
2351 Clay St Ste 100
San Francisco, CA 94115-1931
Phone
(415) 600-3143
Fax
(415) 600-3123
NPI assigned
Nov 1, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 23, 2020

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 15

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 25MA08403700 NJ
Diagnostic Radiology Physician 2085R0202X 248102 NY
Diagnostic Radiology Physician 2085R0202X 25.000109 OH
Diagnostic Radiology Physician 2085R0202X 25945 OK
Diagnostic Radiology Physician 2085R0202X 49037 WA
Diagnostic Radiology Physician 2085R0202X K7874 TX
Diagnostic Radiology Physician 2085R0202X 24315 NE
Diagnostic Radiology Physician 2085R0202X 11524 MT
Diagnostic Radiology Physician 2085R0202X MEDS6218 AK
Diagnostic Radiology Physician 2085R0202X 38047 AZ
Diagnostic Radiology Physician 2085R0202X 46252 CO
Diagnostic Radiology Physician 2085R0202X 12619 NV
Diagnostic Radiology Physician 2085R0202X A80398 CA Primary
Diagnostic Radiology Physician 2085R0202X 036.119210 IL
Diagnostic Radiology Physician 2085R0202X 4516 AK

Addresses

Primary practice location

2351 Clay St Ste 100
San Francisco, CA 94115-1931

Mailing address

PO Box 6102
Novato, CA 94948-6102
Phone (415) 884-3418

Other practice location 1

1101 Van Ness Ave Fl 3
San Francisco, CA 94109-6919
Phone (415) 600-3232

Other practice location 2

250 Bon Air Rd
Greenbrae, CA 94904-1702
Phone (415) 925-7301

Other practice location 3

2808 S 143rd Plz
Omaha, NE 68144-5611
Phone (402) 609-1800

Other practice location 4

555 Kinderkamack Rd
Oradell, NJ 07649-1517
Phone (201) 488-2660

Other practice location 5

180 Rowland Way
Novato, CA 94945-5009
Phone (415) 209-1500

Other practice location 6

180 Rowland Way
Novato, CA 94945-5009
Phone (415) 209-1500

Other practice location 7

347 Andrieux St
Sonoma, CA 95476-6811
Phone (707) 935-5265

Other practice location 8

2408 E 81st St Ste 900
Tulsa, OK 74137-4283
Phone (918) 477-5000

Other practice location 9

2351 E 22nd St
Cleveland, OH 44115-3111
Phone (213) 363-2677

Other practice location 10

181 W Meadow Dr Ste 100
Vail, CO 81657-5058
Phone (970) 479-7252

Other practice location 11

3301 El Camino Real Ste 100
Atherton, CA 94027-3803
Phone (650) 364-3080

Other identifiers 12

IdentifierTypeStateIssuer
1275611873MedicaidNV
320447MedicaidAZ
8947270OtherWAL&I CVCP
0229781OtherWAL & I
1275611873MedicaidNE
8505539MedicaidWA
00A803980MedicaidCA
200215450MedicaidOK
5578RAOtherWAREGENCE BLUE SHIELD
0168289MedicaidNJ
19800070MedicaidCO
P00075447OtherCARAILROAD MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, WA, TX3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20040928000541 CA Practitioner - Diagnostic Radiology 9931178837 Reassigns benefits to 6 organizations
I20220222001628 WA Practitioner - Diagnostic Radiology 9931178837 Reassigns benefits to 1 organization
I20220818002192 TX Practitioner - Diagnostic Radiology 9931178837 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of Texas Medical Branch at Galveston, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North Star GV LPGroup PAC ID 0648539023, 21 clinicians
North Star MCD LLCGroup PAC ID 2668659434, 77 clinicians
North Star MRI LPGroup PAC ID 5890762330, 54 clinicians

Practice addresses (Care Compare)

685 Laguna Honda Blvd
San Francisco, CA 94127-1056
Phone (415) 378-4797

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
80398CAMDAmbulatory Care Pharmacist
4516AKMDDiagnostic Radiology Physician
MEDS6218AKMDDiagnostic Radiology Physician
38047AZMDDiagnostic Radiology Physician
A80398CAMDDiagnostic Radiology Physician
46252COMDDiagnostic Radiology Physician
036.119210ILMDDiagnostic Radiology Physician
11524MTMDDiagnostic Radiology Physician
24315NEMDDiagnostic Radiology Physician
25MA08403700NJMDDiagnostic Radiology Physician
12619NVMDDiagnostic Radiology Physician
248102NYMDDiagnostic Radiology Physician
25.000109OHMDDiagnostic Radiology Physician
25945OKMDDiagnostic Radiology Physician
K7874TXMDDiagnostic Radiology Physician
49037WAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
North Star GV, LP CurrentSince May 11, 2022 Accepting new patients
Blue Star Radiology Associates Diagnostic Radiology CurrentSince Aug 1, 2022 Accepting new patients
North Star MCD, LLC CurrentSince Dec 26, 2024 Accepting new patients
Proliance Surgeons Inc P S Current Accepting new patients
Prima Medical Foundation CurrentSince Aug 1, 2018 Accepting new patients
North Star FP, LP CurrentSince Jul 1, 2024 Accepting new patients
Proliance Surgeons Inc P S CurrentSince Feb 1, 2022 Accepting new patients
Proliance Surgeons, Inc., P.S. CurrentSince Feb 1, 2022 Accepting new patients
North Star MRI LP CurrentSince May 11, 2022 Accepting new patients
Monterey Spine & Joint PC CurrentSince Jan 1, 2020 Accepting new patients
Monterey Spine & Joint PC CurrentSince Jan 1, 2020 Accepting new patients
Orthopedic Associates of Flower Mound PLLC CurrentSince Oct 17, 2023 Accepting new patients
Orthopedic Associates of Flower Mound PLLC Past Accepting new patients
Cher, LLC Diagnostic Radiology PastSince May 18, 2009 Accepting new patients
Montage Surgical Group Diagnostic Radiology Past Accepting new patients
John Muir Physician Network Past Accepting new patients
Public Hospital District 1 of King County Past Accepting new patients
King County Public Hospital District No. 2 Past Accepting new patients
Marin General Hospital Past Accepting new patients
Seton Medical Center Past Accepting new patients

Locations

3301 El Camino Real
Ste 100
Atherton, CA 94027
Phone (650) 364-3080

1260 S Eliseo Dr
Fl 2
Greenbrae, CA 94904
Phone (415) 464-1350

1240 S Eliseo Dr
Ste 103
Greenbrae, CA 94904
Phone (415) 461-7770

1260 S Eliseo Dr
Ste 101
Greenbrae, CA 94904
Phone (415) 461-9033

250 Bon Air Rd
Kentfield, CA 94904
Phone (415) 464-1350

21 Lower Ragsdale Dr
Monterey, CA 93940
Phone (831) 264-6040

12 Upper Ragsdale Dr
Monterey, CA 93940
Phone (831) 264-6060

347 Andrieux St
Sonoma, CA 95476
Phone (707) 935-5000

2808 S 143rd Plz
Omaha, NE 68144
Phone (321) 223-0225

1 Cowboys Way
Ste 150
Frisco, TX 75034
Phone (214) 647-6165

7320 216th St SW
Ste 320
Edmonds, WA 98026
Phone (425) 673-3900

12911 120th Ave NE
Ste H120
Kirkland, WA 98034
Phone (425) 823-4226

6808 220th St SW
Ste 105
Mountlake Terrace, WA 98043
Phone (425) 967-6490

3801 5th St SE
Ste 110
Puyallup, WA 98374
Phone (253) 845-9585

4011 Talbot Rd S
Ste 300
Renton, WA 98055
Phone (206) 656-5060

805 Madison St
Ste 901
Seattle, WA 98104
Phone (206) 264-8100

Interoperability endpoints

  • Direct secure messaging: janaki.ramanathan.1@15749.direct.athenahealth.com
  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: janaki.ramanathan.p1@direct.msjhealth.nextgenshare.com
  • Direct secure messaging: janaki.ramanathan.p24@direct.proliance.nextgenshare.com
  • Direct secure messaging: jramanathan223489@direct-ucsfmedicalcenter.org

Organizations & group practices 20

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 20

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1600819200000",
    "number": "1275611873",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6102",
            "city": "NOVATO",
            "state": "CA",
            "postal_code": "949486102",
            "telephone_number": "415-884-3418",
            "fax_number": "415-883-3406"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2351 CLAY ST STE 100",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941151931",
            "telephone_number": "415-600-3143",
            "fax_number": "415-600-3123"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1101 Van Ness Ave Fl 3",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941096919",
            "country_code": "US",
            "telephone_number": "415-600-3232",
            "fax_number": "415-447-6335",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "250 Bon Air Rd",
            "address_purpose": "LOCATION",
            "city": "Greenbrae",
            "state": "CA",
            "postal_code": "949041702",
            "country_code": "US",
            "telephone_number": "415-925-7301",
            "fax_number": "415-925-7317",
            "country_name": "United States",
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        },
        {
            "address_1": "2808 S 143rd Plz",
            "address_purpose": "LOCATION",
            "city": "Omaha",
            "state": "NE",
            "postal_code": "681445611",
            "country_code": "US",
            "telephone_number": "402-609-1800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "555 Kinderkamack Rd",
            "address_purpose": "LOCATION",
            "city": "Oradell",
            "state": "NJ",
            "postal_code": "076491517",
            "country_code": "US",
            "telephone_number": "201-488-2660",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "180 Rowland Way",
            "address_purpose": "LOCATION",
            "city": "Novato",
            "state": "CA",
            "postal_code": "949455009",
            "country_code": "US",
            "telephone_number": "415-209-1500",
            "fax_number": "415-209-1501",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "180 Rowland Way",
            "address_purpose": "LOCATION",
            "city": "Novato",
            "state": "CA",
            "postal_code": "949455009",
            "country_code": "US",
            "telephone_number": "415-209-1500",
            "fax_number": "415-209-1501",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "347 Andrieux St",
            "address_purpose": "LOCATION",
            "city": "Sonoma",
            "state": "CA",
            "postal_code": "954766811",
            "country_code": "US",
            "telephone_number": "707-935-5265",
            "fax_number": "707-935-5438",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2408 E 81st St Ste 900",
            "address_purpose": "LOCATION",
            "city": "Tulsa",
            "state": "OK",
            "postal_code": "741374283",
            "country_code": "US",
            "telephone_number": "918-477-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2351 E 22nd St",
            "address_purpose": "LOCATION",
            "city": "Cleveland",
            "state": "OH",
            "postal_code": "441153111",
            "country_code": "US",
            "telephone_number": "213-363-2677",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "181 W Meadow Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Vail",
            "state": "CO",
            "postal_code": "816575058",
            "country_code": "US",
            "telephone_number": "970-479-7252",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3301 El Camino Real Ste 100",
            "address_purpose": "LOCATION",
            "city": "Atherton",
            "state": "CA",
            "postal_code": "940273803",
            "country_code": "US",
            "telephone_number": "650-364-3080",
            "fax_number": "650-364-2004",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAMANATHAN",
        "first_name": "JANAKI",
        "middle_name": "N.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-01",
        "last_updated": "2020-09-23",
        "certification_date": "2020-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NJ",
            "license": "25MA08403700",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NY",
            "license": "248102",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
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            "license": "25.000109",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "OK",
            "license": "25945",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WA",
            "license": "49037",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "K7874",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NE",
            "license": "24315",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MT",
            "license": "11524",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "AK",
            "license": "MEDS6218",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "AZ",
            "license": "38047",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CO",
            "license": "46252",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NV",
            "license": "12619",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A80398",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "036.119210",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "AK",
            "license": "4516",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1275611873",
            "state": "NV"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "320447",
            "state": "AZ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L&I CVCP",
            "identifier": "8947270",
            "state": "WA"
        },
        {
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            "issuer": "L & I",
            "identifier": "0229781",
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        {
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            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1275611873",
            "state": "NE"
        },
        {
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            "issuer": null,
            "identifier": "8505539",
            "state": "WA"
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        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A803980",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200215450",
            "state": "OK"
        },
        {
            "code": "01",
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            "issuer": "REGENCE BLUE SHIELD",
            "identifier": "5578RA",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0168289",
            "state": "NJ"
        },
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            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "19800070",
            "state": "CO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00075447",
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        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.