David J. Sly, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A22993 Issued in CA

Practice address

2 W Portal Ave
San Francisco, CA 94127-1304

Phone

(888) 663-6331

Fax

(415) 252-7176

NPI assigned

May 25, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IA, AZ, TX, CA4 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 4

Specialty

Family Practice

Education

At Still University of Health Sciences, College of Osteo Med, Kirksville, 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Seton Family of DoctorsGroup PAC ID 0941333280, 785 clinicians

Iora Senior Health LLCGroup PAC ID 0143520189, 117 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: davidsly@tdh.allscriptsdirect.net
• Direct secure messaging: david.sly.1@14241.direct.athenahealth.com

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.

• Iora Senior Health, LLC

  • Internal Medicine Physician
  • Phoenix, AZ
  • NPI 1619376456
  Medicare reassignment Care Compare group NPD
• Seton Family of Doctors

  • Neurological Surgery Physician
  • Austin, TX
  • NPI 1588997233

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Omg Arizona, LLC

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1184014854
  Medicare reassignment NPD
• Teladoc Health Medical Group, P.a.

  • Family Medicine Physician
  • Lewisville, TX
  • NPI 1245403567

  IA

  Medicare reassignment NPD
• One Medical Group, Inc.

  • Family Medicine Physician
  • San Francisco, CA
  • NPI 1467781641
  NPD
• Iora Senior Health, LLC

  • Internal Medicine Physician
  • Glendale, AZ
  • NPI 1215422597
  NPD
• Iora Senior Health, LLC

  • Internal Medicine Physician
  • Arvada, CO
  • NPI 1760867428
  NPD
• One Medical Group, Inc

  • Family Medicine Physician
  • Tigard, OR
  • NPI 1891521134
  NPD
• Seton Family of Doctors

  • Radiology Clinic/Center
  • Austin, TX
  • NPI 1275290694
  NPD
• Mercy Medical Services

  • Family Medicine Physician
  • South Sioux City, NE
  • NPI 1043251754
  NPD (past)
• St Lukes Health Resources

  • Family Medicine Physician
  • Sioux City, IA
  • NPI 1528001492
  NPD (past)

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

{
    "created_epoch": "1148515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1255387148",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "415-658-6791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 W PORTAL AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941271304",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12 37th Street Pl",
            "address_purpose": "LOCATION",
            "city": "Sioux City",
            "state": "IA",
            "postal_code": "511042102",
            "country_code": "US",
            "telephone_number": "712-490-7815",
            "fax_number": "712-214-5804",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2201 E Camelback Rd Ste 101A",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850163495",
            "country_code": "US",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2 Embarcadero Ctr Lbby Level",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941113823",
            "country_code": "US",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1350 Connecticut Ave NW Ste 1250",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "200361728",
            "country_code": "US",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SLY",
        "first_name": "DAVID",
        "middle_name": "J.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-25",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "22993",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NE",
            "license": "223",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "AZ",
            "license": "008715",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "02882",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A22993",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "david.sly.1@14241.direct.athenahealth.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "12 37th Street Pl",
            "city": "Sioux City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "511042102",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Family Medicine Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 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.