Individual provider Active NPI

Ramesh V Nathan, MD

  • Infectious Disease Physician
  • Thousand Oaks, CA
National Provider Identifier
1215025291
Registry record updated Aug 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
A77898 Issued in CA
Practice address
375 Rolling Oaks Dr Ste 210
Thousand Oaks, CA 91361-1028
Phone
(805) 495-1073
Fax
(805) 495-5836
NPI assigned
Oct 11, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X A77898 CA Primary

Addresses

Primary practice location

375 Rolling Oaks Dr Ste 210
Thousand Oaks, CA 91361-1028

Mailing address

375 Rolling Oaks Dr Ste 210
Thousand Oaks, CA 91361-1028
Phone (805) 495-1073

Other identifiers 1

IdentifierTypeStateIssuer
OOA778980MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20050419000677 CA Practitioner - Infectious DiseasePractitioner - Internal Medicine 1951349141 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Infectious DiseaseAlso: Internal Medicine
Education
George Washington University School of Medicine, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

2220 Lynn Rd
Suite 301
Thousand Oaks, CA 91360-8005
Phone (805) 495-1073

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as individual

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A77898CAMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mark H Mazur MD & Barry Statner MD a Professional Corporation Infectious Disease CurrentSince Jul 16, 2005 Accepting new patients
Telehealth Specialty Medical Group Infectious Disease CurrentSince Feb 1, 2016 Accepting new patients
Metro Infusion Center PLLC Infectious Disease Past Accepting new patients
Tele-Medicine Services Ny, PLLC PastSince Apr 27, 2025 Accepting new patients
Simi Valley Hospital and Health Care Services Past Accepting new patients
Metro Infectious Disease Consultants, LLC Infectious Disease Past Accepting new patients
Los Robles Regional Medical Center Past Accepting new patients

Locations

2360 E Bidwell St
Ste 107
Folsom, CA 95630
Phone (916) 220-2951

4980 Barranca Pkwy
Ste 195
Irvine, CA 92604
Phone (949) 398-5280

4037 Hardwick St
Lakewood, CA 90712

1174 Castro St
Ste 150
Mountain View, CA 94040

24640 Jefferson Ave
Ste 208
Murrieta, CA 92562
Phone (951) 395-5457

301 S Fair Oaks Ave
Ste 304
Pasadena, CA 91105
Phone (626) 960-2711

15706 Pomerado Rd
Ste S202
Poway, CA 92064

2510 Douglas Blvd
Ste 300
Roseville, CA 95661
Phone (279) 600-4411

9050 Fairway Dr
Ste 125
Roseville, CA 95678

3400 Douglas Blvd
Ste 225
Roseville, CA 95661
Phone (916) 740-3721

3400 Douglas Blvd
Ste 170
Roseville, CA 95661
Phone (855) 446-8628

24355 Lyons Ave
Ste 160
Santa Clarita, CA 91321
Phone (661) 600-9494

27699 Jefferson Ave
Ste 311
Temecula, CA 92590
Phone (951) 693-1159

375 Rolling Oaks Dr
Ste 310
Thousand Oaks, CA 91361

2220 Lynn Rd
Ste 301
Thousand Oaks, CA 91360
Phone (805) 495-1073

375 Rolling Oaks Dr
Ste 210
Thousand Oaks, CA 91361
Phone (805) 495-1073

130 La Casa Via
Ste 108
Walnut Creek, CA 94598

901 McClintock Dr
Ste 202
Burr Ridge, IL 60527
Phone (630) 654-4201

Organizations & group practices 7

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.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1160524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1215025291",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "375 ROLLING OAKS DR STE 210",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913611028",
            "telephone_number": "805-495-1073",
            "fax_number": "805-495-5836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "375 ROLLING OAKS DR STE 210",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913611028",
            "telephone_number": "805-495-1073",
            "fax_number": "805-495-5836"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NATHAN",
        "first_name": "RAMESH",
        "middle_name": "V",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-11",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "A77898",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "OOA778980",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Thousand Oaks, CA

Sources for this page

Verify at the official NPI Registry.