NPPES file of Aug 9, 2026

Jennifer Anne Williams, MD

Maternal & Fetal Medicine Physician · Ypsilanti, MI

Jennifer Anne Williams, MD is a maternal & fetal medicine physician with a practice address in Ypsilanti, Michigan, and NPI 1245359165, issued on Mar 29, 2007. Check the license (Michigan 4301074621, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245359165
Name
Jennifer Anne Williams
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
4301074621 MI
Self-reported in NPPES; status is on the state search
Practice location
4918 W Clark RD Ste 104, Ypsilanti, MI 48197
Phone
(734) 528-9125
Enumerated
Mar 29, 2007
Record last updated
Aug 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(734) 528-9263
Medicare enrollment
Enrolled (PECOS I20090717000288); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1999
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.
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8 nearest maternal & fetal medicine physician records → All 78 in Michigan → Look up another NPI →

Also registered at 4918 W Clark RD Ste 104

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

  1. Pooja Green, M.D.Maternal & Fetal Medicine Physician1396805834
  2. Kristie Keeton, MDMaternal & Fetal Medicine Physician1295855070
  3. Deborah Squire, NPWomen's Health Nurse Practitioner1023356748

Verify Jennifer Anne 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 4301074621    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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Bills Medicare through one group practice

  1. Iha Health Services CorporationLivonia, MI

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

Jennifer Anne Williams among 78 maternal & fetal medicine physician records in Michigan

Jennifer Anne Williams, MD is one of 78 maternal & fetal medicine physician records with a practice address in Michigan. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 32% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1999 · median 2001 among the 51 with a school on file
  • Record last updated2020 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Michigan

There are 78 maternal & fetal medicine physician records in Michigan.

All 78 in Michigan → Every provider in Ypsilanti → Maternal & Fetal Medicine Physician nationwide →

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Pooja Green, M.D.Ypsilanti, MI 481971396805834
  2. Kristie Keeton, MDYpsilanti, MI 481971295855070
  3. Susan Berman, MDDetroit, MI 482011487694949
  4. Tinnakorn Chaiworapongsa, MDDetroit, MI 482011922215961
  5. Mordechai Hallak, M.D.Detroit, MI 482011841495249
  6. Chaur-Dong Hsu, MDDetroit, MI 482011750325619
  7. Jeffrey Johnson, MDDetroit, MI 482011902886120
  8. Manasi Patwardhan, M.D.Detroit, MI 482011487846507

Common questions

What is Jennifer Anne Williams, MD's NPI number?

Jennifer Anne Williams, MD's National Provider Identifier (NPI) is 1245359165, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Anne Williams, MD located?

The NPPES record lists a practice address at 4918 W Clark RD Ste 104, Ypsilanti, MI, 48197. Phone: (734) 528-9125. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Anne Williams, MD's license?

NPPES lists Michigan license number 4301074621, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.