Jonathan Douglas Weaver, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A81411 Issued in CA

Practice address

2121 Wilshire Blvd
#103
Santa Monica, CA 90403

Phone

(310) 264-0065

Fax

(310) 829-3424

NPI assigned

Jul 17, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Internal Medicine

Education

University of California, Geffen School of Medicine, 2001

Medicare assignment

May accept Medicare assignment

Group practices

Westside Internal MedicineGroup PAC ID 1850353525, 8 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Calipso Home Health Care Inc Home health agency, Northridge, CA, CCN 058392
• Reliance Home Health Care, Inc. Home health agency, Glendale, CA, CCN 059675
• Vitas Healthcare Corporation of California Hospice, Encino, CA, CCN 051656
• Roze Room Hospice Hospice, Culver City, CA, CCN 051719
• Saint John'S Health Center Hospital, Santa Monica, CA, CCN 050290
• Ronald Reagan UCLA Medical Center Hospital, Los Angeles, CA, CCN 050262
• Eisenhower Medical Center Hospital, Rancho Mirage, CA, CCN 050573

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as individual

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/IIBHAA

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.

• Westside Internal Medicine

  • Internal Medicine Physician
  • Santa Monica, CA
  • NPI 1184631251
  Medicare reassignment Care Compare group NPD

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

• Calipso Home Health Care, Inc.

  • Home Health Agency
  • Northridge, CA
  • NPI 1972672996
  Care Compare affiliation
• Eisenhower Medical Center

  • General Acute Care Hospital
  • Rancho Mirage, CA
  • NPI 1013981554
  Care Compare affiliation
• L & a Care Corporation

  • Community Based Hospice Care Agency
  • Culver City, CA
  • NPI 1750383071
  Care Compare affiliation
• Providence Saint John'S Health Center

  • General Acute Care Hospital
  • Santa Monica, CA
  • NPI 1124026273
  Care Compare affiliation
• Regents Univ of Calif Los Angeles

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1902803315
  Care Compare affiliation
• Reliance Home Health Care, Inc.

  • Home Health Agency
  • Glendale, CA
  • NPI 1881019545
  Care Compare affiliation
• Vitas Healthcare Corporation of California

  • Community Based Hospice Care Agency
  • Encino, CA
  • NPI 1194869750
  Care Compare affiliation

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

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762992000000",
    "number": "1851318331",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2121 WILSHIRE BLVD STE 304",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904035743",
            "telephone_number": "310-264-0065",
            "fax_number": "310-829-0765"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2121 WILSHIRE BLVD",
            "address_2": "#103",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "90403",
            "telephone_number": "310-264-0065",
            "fax_number": "310-829-3424"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEAVER",
        "first_name": "JONATHAN",
        "middle_name": "DOUGLAS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A81411",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bradley James Watson, D.C.
• Cynthia Mervis Watson, MD
• Jennifer M Watters, D.C., L.AC.
• Tiera Watts
• We Care Health Services LLC
• Nicole Webb Symmons
• Abigail Weber
• Jennifer Weber, L.AC.
• Rachel Marie Webster, MA
• Gail E Wehner, PT

• Internal Medicine Physician in Santa Monica, CA
• Providers in Santa Monica, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.