NPPES file of Aug 9, 2026

Joy Carol Williams, MD

Family Medicine Physician · Ann Arbor, MI

Joy Carol Williams, MD is a family medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1770672636, issued on Oct 11, 2006. Check the license (Michigan 4301083249, 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
1770672636
Name
Joy Carol Williams
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
4301083249 MI
37557 SC
Self-reported in NPPES; status is on the state search
Practice location
24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105
Phone
(734) 647-5640
Enumerated
Oct 11, 2006
Record last updated
Apr 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid ID
4642146 MI
Medicare enrollment
Enrolled (PECOS I20041018000802); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 2000
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 24 Frank Lloyd Wright Dr

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

  1. Jaclyn Abbott, NPPrimary Care Nurse Practitioner1952800435
  2. Alison Affinati, MD, PHDEndocrinology, Diabetes & Metabolism Physician1871983502
  3. Vahan Agbabian, MA, ATCAthletic Trainer1487759676
  4. William Aibinder, MDOrthopaedic Surgery Physician1225474042
  5. Nevin Ajluni, M.D.Endocrinology, Diabetes & Metabolism Physician1407019995
  6. Sarah Akers, LPNLicensed Practical Nurse1063383396

Verify Joy Carol 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 4301083249
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

68% fewer Medicare Part D claims than the average family medicine physician in 2024

1,120 Medicare Part D claims for 125 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Joy Williams1,120
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium96 claims
  2. Amlodipine Besylate63 claims
  3. Levothyroxine Sodium55 claims
  4. Lisinopril50 claims
  5. Losartan Potassium47 claims
  6. Gabapentin41 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.

Industry payments in 2024: $18.15

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joy Williams$18.15
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Regents OF The University OF MichiganChelsea, MI

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

Joy Carol Williams among 6,013 family medicine physician records in Michigan

Joy Carol Williams, MD 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2000 · median 2008 among the 3,493 with a school on file
  • Record last updated2015 · 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).

177 family medicine physician records list a practice address in Ann Arbor

They are 177 of the 15,616 NPPES records with a practice address in Ann Arbor, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matthew Ajluni, DOAnn Arbor, MI 481051124072400
  2. Cynthia BaetzAnn Arbor, MI 481051215904016
  3. Renee Brayton, DOAnn Arbor, MI 481051528094976
  4. Louito Edje, MDAnn Arbor, MI 481051649261876
  5. Shannon Graley, D.O.Ann Arbor, MI 481051154393940
  6. Mohammed Irfan, MDAnn Arbor, MI 481051932123650
  7. Frank Parrinello, D.O.Canton, MI 481051548238579
  8. Yasmin Parvez, MDAnn Arbor, MI 481051093716953

Common questions

What is Joy Carol Williams, MD's NPI number?

Joy Carol Williams, MD's National Provider Identifier (NPI) is 1770672636, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joy Carol Williams, MD located?

The NPPES record lists a practice address at 24 Frank Lloyd Wright Dr, Ann Arbor, MI, 48105. Phone: (734) 647-5640. Providers update this record themselves, so call before visiting.

How can I verify Joy Carol Williams, MD's license?

NPPES lists Michigan license number 4301083249, 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 Joy Carol Williams, MD prescribe under Medicare Part D?

In 2024, Joy Carol Williams, MD had 1,120 Medicare Part D claims for 125 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.