Sara Mathew Holmes, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

MD600004898 Issued in DC

Practice address

97 San Marin Dr
Novato, CA 94945-1100

Phone

(415) 899-7880

Fax

(415) 899-7815

NPI assigned

Jul 29, 2011

Last updated

Nov 5, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA, DC2 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 2

Specialty

Nephrology

Education

Temple University School of Medicine, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Medical Faculty Associates, IncGroup PAC ID 4082528898, 676 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• DaVita GWU Southeast Dialysis Dialysis facility, Washington, DC, CCN 092517
• George Washington Univ Hospital Hospital, Washington, DC, CCN 090001

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Medical Faculty Associates, Inc

  • Anesthesiology Physician
  • Washington, DC
  • NPI 1417990581
  Medicare reassignment Care Compare group NPD (past)
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• Kidney and Hypertension Associates P C

  • Nephrology Physician
  • Langhorne, PA
  • NPI 1457308314
  NPD (past)

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

• District Hospital Partners L P

  dba The George Washington University Hospital

  • General Acute Care Hospital
  • Washington, DC
  • NPI 1487640207
  Care Compare affiliation

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

{
    "created_epoch": "1311897600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762300800000",
    "number": "1801174479",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "97 SAN MARIN DR",
            "city": "NOVATO",
            "state": "CA",
            "postal_code": "949451100",
            "telephone_number": "415-899-7880",
            "fax_number": "415-899-7815"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "97 SAN MARIN DR",
            "city": "NOVATO",
            "state": "CA",
            "postal_code": "949451100",
            "telephone_number": "415-899-7880",
            "fax_number": "415-899-7815"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "900 23rd St NW",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "200372342",
            "country_code": "US",
            "telephone_number": "610-212-5294",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLMES",
        "first_name": "SARA",
        "middle_name": "MATHEW",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-07-29",
        "last_updated": "2025-11-05",
        "certification_date": "2025-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "PA",
            "license": "MD443610",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "DC",
            "license": "MD600004898",
            "primary": true
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CA",
            "license": "A133361",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "The Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "97 San Marin Dr",
            "city": "Novato",
            "state": "CA",
            "country_code": "US",
            "postal_code": "949451100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Susan Carol Hollander, N.P.
• Jessica Catherine Hollman, M.D.
• Holly C Kelly MD Inc.
• Kevin Jude Holman, PA-C
• Donnell M Holmes, MFT
• Homewatch Caregivers of the North Bay
• Honeycomb Wellness Center LLC
• Daniel Cooper Hood, M.D.
• Angela Marie Hopper, LMFT
• Charles Hu

• Nephrology Physician in Novato, CA
• Providers in Novato, CA by specialty
• Nephrology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 5, 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.