Harold R Collard, MD

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

A68143 Issued in CA

Practice address

400 Parnassus Ave
San Francisco, CA 94143-2202

Phone

(415) 353-2961

Fax

(415) 353-2568

NPI assigned

Apr 18, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Critical Care Pulmonary and Sleep Associates Professional LLP

  • Critical Care Medicine (Internal Medicine) Physician
  • Lakewood, CO
  • NPI 1437100039
  NPD (past)
• Critical Care Pulmonary and Sleep Associates Professional LLP

  • Critical Care Medicine (Internal Medicine) Physician
  • Highlands Ranch, CO
  • NPI 1871487355
  NPD (past)

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

{
    "created_epoch": "1145318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1740245380",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO ST",
            "address_2": "STE 625, BOX 1821",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-476-4029",
            "fax_number": "415-476-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432202",
            "telephone_number": "415-353-2961",
            "fax_number": "415-353-2568"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COLLARD",
        "first_name": "HAROLD",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A68143",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A68143",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A68143",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A681430",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• John Matthew Colford Jr., MD, MPH, PHD
• Stephen Colgan, M.F.T.
• Elizabeth Ann Colglazier, RN
• Andrea M Collaco, LCSW
• Aesel Collado-Timbol, RN
• Colleen Huff & Associates
• Elizabeth Collentine-Cole
• Dianna Alice Collett
• Gabriela Colletta
• Dirk M Collevecchio, RN, AGNP-C

• Critical Care Medicine (Internal Medicine) Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Critical Care Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.