Individual provider Active NPI

Rena Desai Callahan, M.D.

  • Internal Medicine Physician
  • Valencia, CA
National Provider Identifier
1487856779
Registry record updated Jan 23, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A94238 Issued in CA
Practice address
27235 Tourney Rd Ste 2400
Valencia, CA 91355-5905
Phone
(661) 255-5350
Fax
(661) 255-9907
NPI assigned
May 31, 2007
Last updated
Jan 23, 2020By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 23, 2020

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A94238 CA Primary
Hematology (Internal Medicine) Physician 207RH0000X A94238 CA
Medical Oncology Physician 207RX0202X A94238 CA
Surgical Oncology Physician 2086X0206X A94238 CA

Addresses

Primary practice location

27235 Tourney Rd Ste 2400
Valencia, CA 91355-5905

Mailing address

5767 W Century Blvd Ste 400
Los Angeles, CA 90045-5631

Other practice location 1

2336 Santa Monica Blvd Ste 315
Santa Monica, CA 90404-2095
Phone (310) 829-5471

Other practice location 2

2020 Santa Monica Blvd Ste 230
Santa Monica, CA 90404-2124
Phone (310) 829-5471

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
I20071214000493 CA Practitioner - Hematology/OncologyPractitioner - Internal MedicinePractitioner - Surgical Oncology 6002906062 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine, Surgical Oncology
Education
Perelman School of Med at the University of Pennsylvania, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

1223 16TH St
Santa Monica, CA 90404-1217
Phone (424) 259-8859

2020 Santa Monica Blvd
Suite 210
Santa Monica, CA 90404-2139
Phone (310) 458-2381

2336 Santa Monica Blvd
Santa Monica, CA 90404-2067

757 Westwood PLZ
Los Angeles, CA 90095-8358
Phone (310) 267-9643

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.51 of 100Reported as group
Quality
79.37
Promoting interoperability
100
Improvement activities
40
Cost
73.65

Merit-based Incentive Payment System (MIPS)

Final score
80.82 of 100Reported as group
Quality
61.6
Promoting interoperability
100
Improvement activities
40
Cost
71.9

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A94238CAMDHematology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Regents of the University of California Internal Medicine CurrentSince Jul 1, 2011 Accepting new patients
The Regents of the University of California CurrentSince Jul 1, 2011 Accepting new patients
The Regents of the University of California Surgical Oncology CurrentSince Sep 11, 2011 Accepting new patients
UCLA Medical Group Internal Medicine Past Accepting new patients
Henry Mayo Newhall Memorial Hospital Past Accepting new patients
Regents Univ of Calif Los Angeles Past Accepting new patients
The Regents of the University of California Past Accepting new patients

Locations

5767 W Century Blvd
Ste 400
Los Angeles, CA 90045
Phone (310) 301-5200

File 55737
Los Angeles, CA 90074

Regents Of The University
Los Angeles, CA 90074

2020 Santa Monica Blvd
Ste 210
Santa Monica, CA 90404
Phone (310) 458-2381

2020 Santa Monica Blvd
Ste 230
Santa Monica, CA 90404
Phone (310) 828-7172

27235 Tourney Rd
Ste 2400
Valencia, CA 91355
Phone (661) 253-5851

Interoperability endpoints

  • Direct secure messaging: rcallahan59502@direct.uclahealth.org

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 6

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": "1180569600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1579737600000",
    "number": "1487856779",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27235 TOURNEY RD STE 2400",
            "city": "VALENCIA",
            "state": "CA",
            "postal_code": "913555905",
            "telephone_number": "661-255-5350",
            "fax_number": "661-255-9907"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2336 Santa Monica Blvd Ste 315",
            "address_purpose": "LOCATION",
            "city": "Santa Monica",
            "state": "CA",
            "postal_code": "904042095",
            "country_code": "US",
            "telephone_number": "310-829-5471",
            "fax_number": "310-829-6192",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2020 Santa Monica Blvd Ste 230",
            "address_purpose": "LOCATION",
            "city": "Santa Monica",
            "state": "CA",
            "postal_code": "904042124",
            "country_code": "US",
            "telephone_number": "310-829-5471",
            "fax_number": "310-582-6294",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "RENA",
        "middle_name": "DESAI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-31",
        "last_updated": "2020-01-23",
        "certification_date": "2020-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A94238",
            "primary": true
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "CA",
            "license": "A94238",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "A94238",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "CA",
            "license": "A94238",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Valencia, CA

Sources for this page

Verify at the official NPI Registry.