Frank Efrem Primus II, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A114110 Issued in CA

Practice address

109 S Lake Merced HLS Apt 3B
San Francisco, CA 94132-2923

Phone

(773) 456-3316

NPI assigned

May 4, 2011

Sex

Male

Sole proprietor

Yes

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

General Surgery

Education

University of Chicago, Pritzker School of Medicine, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Crescent Wound Care IncGroup PAC ID 3274914502, 29 clinicians

Wound Docs ApcGroup PAC ID 2860928629, 23 clinicians

HC California PCGroup PAC ID 2264956382, 4 clinicians

Izuchukwu Okpara MD IncGroup PAC ID 1052698966, 45 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 29)

Interoperability endpoints

• Direct secure messaging: fprimus291738@hisp.ehr.sutterhealth.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.

• Crescent Wound Care Inc

  • Internal Medicine Physician
  • Modesto, CA
  • NPI 1841920501
  Medicare reassignment Care Compare group NPD
• HC California PC

  • Internal Medicine Physician
  • Sonora, CA
  • NPI 1578369963
  Medicare reassignment Care Compare group NPD
• Izuchukwu Okpara MD Inc

  • Surgery Physician
  • Valencia, CA
  • NPI 1679004592
  Medicare reassignment Care Compare group NPD
• Wound Docs Apc

  • Surgery Physician
  • Aliso Viejo, CA
  • NPI 1629891676

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Diana Superfin MD Inc.

  • Clinic/Center
  • Walnut Creek, CA
  • NPI 1568285880
  Medicare reassignment NPD
• Hickory California PC

  • Internal Medicine Physician
  • Sonora, CA
  • NPI 1194608869
  Medicare reassignment NPD
• Robert Marriott Medical Corp

  • Surgery Physician
  • El Segundo, CA
  • NPI 1083883938
  Medicare reassignment NPD
• Fprimusmd Inc

  • Home Health Agency
  • San Francisco, CA
  • NPI 1356225577
  NPD Authorized official
• Integrity Wound Physicians Inc

  • Family Medicine Physician
  • Modesto, CA
  • NPI 1285409540
  Medicare reassignment
• Crescent Wound Care Inc

  • Family Medicine Physician
  • The Dalles, OR
  • NPI 1942177548
  NPD
• Crescent Wound Care Inc

  • Obstetrics & Gynecology Physician
  • Spencer, TN
  • NPI 1538957436
  NPD (past)

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

{
    "created_epoch": "1304467200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1366734618",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "109 S LAKE MERCED HLS APT 3B",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941322923",
            "telephone_number": "773-456-3316"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "109 S LAKE MERCED HLS APT 3B",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941322923",
            "telephone_number": "773-456-3316"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PRIMUS",
        "first_name": "FRANK",
        "middle_name": "EFREM",
        "name_prefix": "Dr.",
        "name_suffix": "II",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-05-04",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A114110",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Charles Primich, NP
• Lindsey Primich
• Primo Health Coach, Inc.
• Primocare, LLC
• Primomd, Inc
• Laura N Prince-McGee, AMFT
• Alison Prince, AMFT, APCC
• James W. Prince, MD
• Jennifer Michelle Prince, M.D.
• Ruben Prince

• Internal Medicine Physician in San Francisco, CA
• Providers in San Francisco, 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 Jan 29, 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.
• 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.