Christopher David Vercammen-Grandjean, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A135720 Issued in CA

Practice address

563 S Kensington Rd
Orange, CA 92869-5147

Phone

(619) 865-9156

NPI assigned

Apr 1, 2013

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, FL, NC, NV4 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

Internal Medicine

Education

University of California, San Francisco School of Medicine, 2013

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Apex Home Health Care Services Home health agency, Santa Ana, CA, CCN 058341
• Remedy Home Health Care Home health agency, Northridge, CA, CCN 059162

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cvercammengrandjean1374164@oc.providencedirect.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.

• J M Geiss DO Apc

  • Family Medicine Physician
  • Santa Ana, CA
  • NPI 1063825289

  FL

  Medicare reassignment NPD
• Senior Doc Florida PA

  • Family Medicine Physician
  • Orange, CA
  • NPI 1568225456

  FL

  Medicare reassignment NPD
• Senior Doc Integrated Med, PC

  • Family Medicine Physician
  • Santa Ana, CA
  • NPI 1396526026
  Medicare reassignment NPD
• Senior Doc North Carolina PC

  • Family Medicine Physician
  • Santa Ana, CA
  • NPI 1902786049

  NC

  Medicare reassignment NPD
• Bruncuso Holdings LLC

  • Family Nurse Practitioner
  • Cave Creek, AZ
  • NPI 1497442586

  NV

  Medicare reassignment NPD
• Pouya Afshar MD Inc

  • Specialist
  • San Diego, CA
  • NPI 1710336094
  Medicare reassignment
• CDVG Medical PC

  • Internal Medicine Physician
  • Orange, CA
  • NPI 1699694794
  NPD (past) Authorized official
• Remo Medical Group of California PC

  • Geriatric Psychiatry Physician
  • San Francisco, CA
  • NPI 1598491219
  NPD (past)

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

• Dan Home Health Care, Inc.

  • Home Health Agency
  • Northridge, CA
  • NPI 1609040740
  Care Compare affiliation
• Pinnacle Health Corporation

  • Home Health Agency
  • Anaheim, CA
  • NPI 1669524831
  Care Compare affiliation

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

{
    "created_epoch": "1364774400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1942543699",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "563 S KENSINGTON RD",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928695147",
            "telephone_number": "619-865-9156"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "563 S KENSINGTON RD",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928695147",
            "telephone_number": "619-865-9156"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VERCAMMEN-GRANDJEAN",
        "first_name": "CHRISTOPHER",
        "middle_name": "DAVID",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-04-01",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A135720",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Orlando Vera
• Teresa Vera
• Sonia Go Veran-Taguibao, M.D.
• Luke Quiambao Verano
• Samantha Marie Verastegui
• David Gilbert Verdin, ACSW, MSW
• Daniel Edmund Verdugo
• Angel Verduzco
• Diana Verduzco
• Angelica Vergara Gaytan

• Internal Medicine Physician in Orange, CA
• Providers in Orange, 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 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.
• 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.