Ryan Mathew, M.D.

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

105539 Issued in GA

Practice address

4255 Wade Green Rd NW Ste 925
Kennesaw, GA 30144-1280

Phone

(770) 284-3150

NPI assigned

Apr 19, 2016

Last updated

Oct 16, 2025By 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 3

Addresses

Medicare fee-for-service enrollment

Enrolled in AL, GA2 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 2

Specialty

Rheumatology

Education

Wayne State University School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Arthritis and Rheumatology Center PCGroup PAC ID 4688812001, 24 clinicians

WV Medical Services PCGroup PAC ID 0840254975, 7 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Wellstar Kennestone Regional Medical Center Hospital, Marietta, GA, CCN 110035
• Wellstar Windy Hill Hospital Long-term care hospital, Marietta, GA, CCN 112007

Merit-based Incentive Payment System (MIPS)

Final score

96.68 of 100Reported as individual

Quality

100

Improvement activities

40

Cost

88.93

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/IAADCA
• Direct secure messaging: ryan.mathew.p1@direct.crd.nextgenshare.com

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.

• Arthritis & Rheumatology Center PC

  • Medical Specialty Clinic/Center
  • Roswell, GA
  • NPI 1467895359
  Medicare reassignment Care Compare group NPD
• WV Medical Services PC

  dba Clinic For Rheumatic Diseases

  • Rheumatology Physician
  • Northport, AL
  • NPI 1497739346

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)
• The Radiology Clinic LLC

  • Diagnostic Radiology Physician
  • Tuscaloosa, AL
  • NPI 1649235243
  NPD (past)

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

• Kennestone Hospital, Inc.

  dba Wellstar Kennestone Hospital

  • General Acute Care Hospital
  • Marietta, GA
  • NPI 1649248626
  Care Compare affiliation
• Kennestone Hospital, Inc.

  dba Wellstar Windy Hill Hospital

  • Long Term Care Hospital
  • Marietta, GA
  • NPI 1700853041

  Long-term care hospital

  Care Compare affiliation

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

{
    "created_epoch": "1461024000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760572800000",
    "number": "1043664899",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11731 POINTE PL",
            "city": "ROSWELL",
            "state": "GA",
            "postal_code": "300764636",
            "telephone_number": "770-284-3150",
            "fax_number": "770-284-3170"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4255 WADE GREEN RD NW STE 925",
            "city": "KENNESAW",
            "state": "GA",
            "postal_code": "301441280",
            "telephone_number": "770-284-3150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHEW",
        "first_name": "RYAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-19",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "AL",
            "license": "44728",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125.068511",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "GA",
            "license": "105539",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nancy Martinez, NP
• Gianna G Martini-James, LCSW
• Sarah Marzen, RN
• Milena T Mask, F.N.P.
• Brian Patrick Mason, MD
• Katherine Leigh Mathis, M.ED.CCC-SLP
• Nicole Adair Mathis, OT
• Stephanie L Mathis, FNP-C
• Robert Bryan Mattson, D.C.
• Jasmine Maxwell, FNP-S

• Rheumatology Physician in Kennesaw, GA
• Providers in Kennesaw, GA by specialty
• Rheumatology Physician in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 16, 2025; 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.