William George Grubb, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

016606 Issued in GA

Practice address

3025 Shrine Rd
Suite 450
Brunswick, GA 31520-4744

Phone

(912) 264-6133

Fax

(912) 267-1415

NPI assigned

Aug 1, 2006

Last updated

Sep 29, 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 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in GA

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

NephrologyAlso: Critical Care (Intensivists)

Education

University of Alabama School of Medicine, 1972

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Nephrology and Hypertension Medical Associates PCGroup PAC ID 0244227130, 19 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• DaVita St. Mary's Dialysis Dialysis facility, Saint Marys, GA, CCN 112558
• DaVita Brunswick Dialysis Dialysis facility, Brunswick, GA, CCN 112514
• Centerwell Home Health Home health agency, Brunswick, GA, CCN 117144
• Advantage Home Health Home health agency, Brunswick, GA, CCN 117088
• Adoration Home Health Home health agency, Brunswick, GA, CCN 117317
• Southeast Georgia Health System- Brunswick Campus Hospital, Brunswick, GA, CCN 110025
• Southeast Georgia Health System -- Camden Campus Hospital, Saint Marys, GA, CCN 110146

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as individual

Promoting interoperability

97

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: williamgrubb@nhma.allscriptsdirect.net

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.

• Nephrology and Hypertension Medical Associates PC

  • Nephrology Physician
  • Savannah, GA
  • NPI 1275553489
  Medicare reassignment Care Compare group NPD
• Nephrology and Hypertension Medical Associates PC

  • Nephrology Physician
  • Brunswick, GA
  • NPI 1356879902
  NPD
• Nephrology and Hypertension Medical Associates PC

  dba Nephrology & Hypertension Medical Assoc.

  • Specialist
  • Jesup, GA
  • NPI 1730663857
  NPD

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

• Dva Healthcare Renal Care Inc

  dba Brunswick Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Brunswick, GA
  • NPI 1104895143

  Dialysis facility

  Care Compare affiliation Name & address match
• Dva Healthcare Renal Care Inc

  dba St. Marys Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Saint Marys, GA
  • NPI 1538138532

  Dialysis facility

  Care Compare affiliation Name & address match
• Centerwell Health Services USA, LLC

  dba CenterWell Home Health

  • Home Health Agency
  • Brunswick, GA
  • NPI 1619959251
  Care Compare affiliation
• SJC Home Health Services Inc

  dba Advantage Home Health

  • Home Health Agency
  • Brunswick, GA
  • NPI 1528052073
  Care Compare affiliation
• Southeast Georgia Health System, Inc.

  dba Southeast Georgia Health System - Camden Campus

  • General Acute Care Hospital
  • Saint Marys, GA
  • NPI 1194744326
  Care Compare affiliation
• Southeast Georgia Health System, Inc.

  dba Southeast Georgia Health System - Brunswick Campus

  • General Acute Care Hospital
  • Brunswick, GA
  • NPI 1598784720
  Care Compare affiliation
• Ware Visiting Nurses Service, Inc

  dba Adoration Home Health

  • Home Health Agency
  • Brunswick, GA
  • NPI 1447232798
  Care Compare affiliation

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

{
    "created_epoch": "1154390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1093721532",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3025 SHRINE RD",
            "address_2": "SUITE 450",
            "city": "BRUNSWICK",
            "state": "GA",
            "postal_code": "315204744",
            "telephone_number": "912-264-6133",
            "fax_number": "912-267-1415"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3025 SHRINE RD",
            "address_2": "SUITE 450",
            "city": "BRUNSWICK",
            "state": "GA",
            "postal_code": "315204744",
            "telephone_number": "912-264-6133",
            "fax_number": "912-267-1415"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRUBB",
        "first_name": "WILLIAM",
        "middle_name": "GEORGE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-01",
        "last_updated": "2026-09-29",
        "certification_date": "2020-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "016606",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "GA",
            "license": "016606",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "GA",
            "license": "016606",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "000132965A",
            "state": "GA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• James Walter Greene, MD
• Joe Stephen Greene, M.D.
• Richard Daniel Griffis III, PHARM.D.
• Gary M Grolemund, DPM
• Cynthia Grovenstein
• Guardian Medical Care PLLC
• Colleen Monahan Guetherman, DPT
• Guiding Light Counseling Services LLC
• Andrew Thomas Guidry, M.D.
• Leeann Rochelle Gumulauskas

• Nephrology Physician in Brunswick, GA
• Providers in Brunswick, GA by specialty
• Nephrology Physician in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 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.