NPPES file of Aug 9, 2026

Gabriel B. Williams, M.D.

Family Medicine Physician · Grand Rapids, MI

Gabriel B. Williams, M.D. is a family medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1801024872, issued on Jun 29, 2009. Check the license (Michigan 4301094305, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801024872
Name
Gabriel B. Williams
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301094305 MI
Self-reported in NPPES; status is on the state search
Practice location
1246 Madison Ave SE, Grand Rapids, MI 49507
Phone
(616) 685-8300
Enumerated
Jun 29, 2009
Record last updated
Jul 6, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120725000144); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1246 Madison Ave SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary Adyniec, NPFamily Nurse Practitioner1720006562
  2. Jennifer DroskiSocial Worker1013444868
  3. Brianna Kilner, MDInternal Medicine Physician1548587231
  4. Seohyun Lapointe, NPFamily Nurse Practitioner1689247348
  5. Walter Metcalfe, MDFamily Medicine Physician1225075898
  6. Spencer Riva, PA-CPhysician Assistant1497296594

Verify Gabriel B. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301094305
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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36% more Medicare Part D claims than the average family medicine physician in 2024

4,828 Medicare Part D claims for 304 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 86 claims were for opioids.

  1. Gabriel Williams4,828
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium303 claims
  2. Amlodipine Besylate265 claims
  3. Gabapentin221 claims
  4. Omeprazole157 claims
  5. Lisinopril113 claims
  6. Albuterol Sulfate Hfa106 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Advantage Health/saint Mary's Medical GroupCaledonia, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gabriel B. Williams among 6,013 family medicine physician records in Michigan

Gabriel B. Williams, M.D. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2009 · median 2008 among the 3,493 with a school on file
  • Record last updated2012 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

317 family medicine physician records list a practice address in Grand Rapids

They are 317 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Victoria Drzyzga, MDGrand Rapids, MI 495071578142808
  2. Joanne Grzeszak, DOGrand Rapids, MI 495071124083670
  3. Karen Kennedy, MDGrand Rapids, MI 495071912926486
  4. Walter Metcalfe, MDGrand Rapids, MI 495071225075898
  5. Christopher Shoemaker, MDGrand Rapids, MI 495071184911836
  6. Kirk Agerson, MDGrand Rapids, MI 495061245226380
  7. Craig Bethune, D.O.Grand Rapids, MI 495061134183619
  8. Eric Bouwens, MDKentwood, MI 495081336143965

Common questions

What is Gabriel B. Williams, M.D.'s NPI number?

Gabriel B. Williams, M.D.'s National Provider Identifier (NPI) is 1801024872, issued on Jun 29, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Gabriel B. Williams, M.D. located?

The NPPES record lists a practice address at 1246 Madison Ave SE, Grand Rapids, MI, 49507. Phone: (616) 685-8300. Providers update this record themselves, so call before visiting.

How can I verify Gabriel B. Williams, M.D.'s license?

NPPES lists Michigan license number 4301094305, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gabriel B. Williams, M.D. prescribe under Medicare Part D?

In 2024, Gabriel B. Williams, M.D. had 4,828 Medicare Part D claims for 304 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.