Gregory W Niemer, M.D.

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

18631 Issued in SC

Practice address

2001 2ND Ave Ste 201
Summerville, SC 29486

Phone

(843) 572-4840

Fax

(843) 793-6171

NPI assigned

Sep 21, 2006

Sex

Male

Sole proprietor

No

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 SC

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

Rheumatology

Education

Medical University of South Carolina College of Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Articularis Healthcare Group IncGroup PAC ID 7911933304, 45 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Trident Medical Center Hospital, Charleston, SC, CCN 420079
• Roper Hospital Hospital, Charleston, SC, CCN 420087
• Roper St Francis Hospital-Berkeley Inc Hospital, Summerville, SC, CCN 420110

Merit-based Incentive Payment System (MIPS)

Final score

94.7 of 100Reported as apm

Quality

89.4

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gniemer21619@articularis.gardenplot.direct-ci.com

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.

• Articularis Healthcare Group Inc.

  • Rheumatology Physician
  • Summerville, SC
  • NPI 1083696413
  Medicare reassignment Care Compare group NPD Authorized official
• Articularis Healthcare Group Inc.

  • Rheumatology Physician
  • Columbia, SC
  • NPI 1134665094
  NPD
• Articularis Healthcare Group Inc.

  • Rheumatology Physician
  • Savannah, GA
  • NPI 1154867075
  NPD

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

• Roper Hospital, Inc

  • General Acute Care Hospital
  • Charleston, SC
  • NPI 1962472860
  Care Compare affiliation
• Roper St Francis Hospital-Berkeley Inc.

  • General Acute Care Hospital
  • Summerville, SC
  • NPI 1336603646
  Care Compare affiliation
• Trident Medical Center, LLC

  • General Acute Care Hospital
  • Charleston, SC
  • NPI 1366496937
  Care Compare affiliation

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

{
    "created_epoch": "1158796800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1356449367",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2001 2ND AVE STE 201",
            "city": "SUMMERVILLE",
            "state": "SC",
            "postal_code": "294867881",
            "telephone_number": "843-572-4840",
            "fax_number": "843-764-2726"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2001 2ND AVE STE 201",
            "city": "SUMMERVILLE",
            "state": "SC",
            "postal_code": "29486",
            "telephone_number": "843-572-4840",
            "fax_number": "843-793-6171"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIEMER",
        "first_name": "GREGORY",
        "middle_name": "W",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-21",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "SC",
            "license": "18631",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Meghan V Newman, LMHC
• Tamara Lorease Newton, MS,LPCA
• Bich Ngoc Nguyen
• Amanda Nichols, PA-C
• Suzanne Michele Nicklas, IBCLC
• Rachel Marie Nienaber, PA
• Nix Justine Gracie Corp,
• Robert Manning Nix, M.ED.
• Tim Nix, M.A., LPC
• Taylor Sanaa Nixon

• Rheumatology Physician in Summerville, SC
• Providers in Summerville, SC by specialty
• Rheumatology Physician in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.