David S Grauman, M.D., P.C., M.R.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

75392 Issued in AZ

Practice address

12340 N Eagle Rd
Flagstaff, AZ 86004-5326

Phone

(928) 686-7858

NPI assigned

Feb 27, 2007

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 MP

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 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.

• Commonwealth Healthcare Corporation

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Saipan, MP
  • NPI 1285858290
  Medicare reassignment NPD
• David S Grauman MD PC

  • Internal Medicine Physician
  • Fairbanks, AK
  • NPI 1023113461
  NPD (past) Authorized official
• Commonwealth Healthcare Corporation

  • General Acute Care Hospital
  • Saipan, MP
  • NPI 1871616292
  NPD

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

{
    "created_epoch": "1172534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779235200000",
    "number": "1508993429",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12340 N EAGLE RD",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860045326",
            "telephone_number": "928-686-7859"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12340 N EAGLE RD",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860045326",
            "telephone_number": "928-686-7858"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRAUMAN",
        "first_name": "DAVID",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "M.D., P.C., M.R.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-02-27",
        "last_updated": "2026-05-20",
        "certification_date": "2026-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "75392",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wendy Elizabeth Graham, R.N.
• Raul E Granados, NP
• Lisa Granger
• Sharon A Grasso, MPH, RD
• Kendra Grathwohl, MD
• Lauren Graves
• Joseph M Gray
• Laurel S. Gray, MD, MS
• Michelle Dereschuk Gray, PH.D.
• John Paul Graziano, M.D.

• Internal Medicine Physician in Flagstaff, AZ
• Providers in Flagstaff, AZ by specialty
• Internal Medicine Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 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.