Christopher Richard Mattson, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

85852 Issued in GA

Practice address

1061 Harmon Ave
Fort Stewart, GA 31314-5641

Phone

(912) 435-6633

NPI assigned

May 31, 2005

Last updated

Jan 19, 2026By the provider in NPPES

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 GA, NY, NM3 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 3

Specialty

Internal Medicine

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cogent Healthcare of Georgia PCGroup PAC ID 2961483607, 252 clinicians

Hospital Medicine Services of Ga LLCGroup PAC ID 2062997505, 90 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Savannah Health Services LLC Dba Memorial Health University Medical Center Hospital, Savannah, GA, CCN 110036

Merit-based Incentive Payment System (MIPS)

Final score

81.02 of 100Reported as group

Quality

57.87

Promoting interoperability

100

Improvement activities

40

Cost

75.97

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Physician Assistant

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Cogent Healthcare of Georgia PC

  • Internal Medicine Physician
  • Macon, GA
  • NPI 1609827823
  Medicare reassignment Care Compare group NPD
• Hospital Medicine Services of Ga LLC

  • Hospitalist Physician
  • Savannah, GA
  • NPI 1891653655
  Medicare reassignment Care Compare group
• Southwest Suffolk Medical, P.C.

  • Surgical Oncology Physician
  • Smithtown, NY
  • NPI 1104096049
  Medicare reassignment NPD
• Unm Hospital

  • General Acute Care Hospital
  • Albuquerque, NM
  • NPI 1689747552
  Medicare reassignment NPD
• Southwest Suffolk Medical PC

  dba Samaritan Primary Care

  • Family Medicine Physician
  • Lindenhurst, NY
  • NPI 1770919763
  NPD
• Southwest Suffolk, P.C

  dba Siena Proactive Internal Medicine

  • Family Medicine Physician
  • Smithtown, NY
  • NPI 1730428467
  NPD
• Unm Hospital

  • Air Ambulance
  • Albuquerque, NM
  • NPI 1558054684
  NPD
• Savannah Health Services, LLC

  dba Memorial Health University Medical Center

  • General Acute Care Hospital
  • Savannah, GA
  • NPI 1053824292
  NPD (past)
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

• Savannah Health Services, LLC

  dba Memorial Health University Medical Center

  • General Acute Care Hospital
  • Savannah, GA
  • NPI 1053824292
  Care Compare affiliation

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

{
    "created_epoch": "1117497600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768780800000",
    "number": "1427051739",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1061 HARMON AVE",
            "city": "FORT STEWART",
            "state": "GA",
            "postal_code": "313145641",
            "telephone_number": "912-435-6633"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1061 HARMON AVE",
            "city": "FORT STEWART",
            "state": "GA",
            "postal_code": "313145641",
            "telephone_number": "912-435-6633"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATTSON",
        "first_name": "CHRISTOPHER",
        "middle_name": "RICHARD",
        "name_prefix": "Mr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-05-31",
        "last_updated": "2026-01-19",
        "certification_date": "2026-01-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NM",
            "license": "MD2024-0387",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "MD",
            "license": "C0002545",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "85852",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101253496",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "UNMH@direct.health.unm.edu",
            "affiliation": "N",
            "address_1": "2211 Lomas Blvd NE",
            "city": "Albuquerque",
            "state": "NM",
            "country_code": "US",
            "postal_code": "871062719",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Anthony Gabriel Massaro, DMD
• Amy Masters, OTD, OTR/L
• Nicholas John Mastromarino, PA-C
• Savannah Mathis
• Walter Joseph Mathis, PA-C
• Gail Lynne Maxwell, PA-C
• Cody Aleksander Mayfield
• Jacob Mayfield, EMT-B
• Meranda Maynor
• Samantha Mazarella, CRNA

• Internal Medicine Physician in Fort Stewart, GA
• Providers in Fort Stewart, GA by specialty
• Internal Medicine Physician in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 19, 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.