Ian Christopher Hopper, DO

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

20A19517 Issued in CA

Practice address

1975 4TH St FL 3
San Francisco, CA 94143-2351

Phone

(415) 353-1565

NPI assigned

Mar 29, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ihopper614033@direct.ochin.org

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.

• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment NPD (past)
• Providence Medical Foundation

  • General Practice Physician
  • Diamond Bar, CA
  • NPI 1285890624
  NPD
• Providence Medical Foundation

  • Surgery Physician
  • Eureka, CA
  • NPI 1477790517
  NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1639715709
  NPD
• Petaluma Health Center Inc

  • Federally Qualified Health Center (FQHC)
  • Petaluma, CA
  • NPI 1588656268
  NPD (past)
• Petaluma Health Center Inc

  • Federally Qualified Health Center (FQHC)
  • Rohnert Park, CA
  • NPI 1669870739
  NPD (past)
• SRM Alliance Hospital Services

  • Skilled Nursing Facility
  • Petaluma, CA
  • NPI 1770703886
  NPD (past)

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

{
    "created_epoch": "1553817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1396206587",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1179 N MCDOWELL BLVD",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949541110",
            "telephone_number": "707-559-7500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1975 4TH ST FL 3",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432351",
            "telephone_number": "415-353-1565"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1179 N McDowell Blvd",
            "address_purpose": "LOCATION",
            "city": "Petaluma",
            "state": "CA",
            "postal_code": "949546559",
            "country_code": "US",
            "telephone_number": "707-559-7500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOPPER",
        "first_name": "IAN",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-29",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "125.074943",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "20A19517",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sand Hopkins
• Sarah Kristin Hopkins, NP
• Thomas Hopkins, MD
• Catherine E. Hopman, PH.D.
• Jordan Benjamin Hopp
• Krista Hopper
• Gareth Hopson, CMT
• Virginia Hilyard Hoptman, PA-C
• Kang Li Jocelyn Hor, BDS
• Allison Horan, MD, MSC

• Pediatrics Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 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.