NPPES file of Aug 9, 2026

Jessica Nancy Williams, MD

Obstetrics & Gynecology Physician · Pottstown, PA

Jessica Nancy Williams, MD is an obstetrics & gynecology physician with a practice address in Pottstown, Pennsylvania, and NPI 1356502827, issued on Jun 18, 2008. Check the license (Pennsylvania MD445396, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1356502827
Name
Jessica Nancy Williams
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
MD445396 PA
MT193406 PA
Self-reported in NPPES; status is on the state search
Practice location
1610 Medical Dr, Pottstown, PA 19464
Phone
(484) 925-0500
Enumerated
Jun 18, 2008
Record last updated
Jun 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(610) 432-0545
Medicare enrollment
Enrolled (PECOS I20121019000079); accepts Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 2008
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 1610 Medical Dr

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

  1. William Cano, M.D.Physical Medicine & Rehabilitation Physician1730103177
  2. Karen Kleger, CRNPPediatric Nurse Practitioner1699777060
  3. Jeremy LincolnAdult Health Nurse Practitioner1215281696
  4. Claire Olstad, M.D.Pediatrics Physician1386646735
  5. Bobby Sasikala SembieyanBehavior Analyst1932892650
  6. Kathleen Vanburen, CPNPPediatric Nurse Practitioner1902898158

Verify Jessica Nancy Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD445396
    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 Pennsylvania license search

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39% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

101 Medicare Part D claims for 34 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Jessica Williams101
  2. Specialty average165

Most prescribed

  1. Estradiol21 claims
  2. Prempro13 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: $432.64

16 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jessica Williams$432.64
  2. Specialty average$1,030.61

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. Regional Womens Health Group LLCPottstown, PA

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

Jessica Nancy Williams among 1,974 obstetrics & gynecology physician records in Pennsylvania

Jessica Nancy Williams, MD is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 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 2008, is newer than 51% of them.

  • NPI issued2008 · 51% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2008 · median 2007 among the 1,176 with a school on file
  • Record last updated2021 · 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 207V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Pennsylvania

There are 1,974 obstetrics & gynecology physician records in Pennsylvania.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Maryallyson Brown, M.D.Pottstown, PA 194641932168192
  2. Robert Neilson, M.D.Pottstown, PA 194641255331989
  3. Gabriella Pugliese, DOPottstown, PA 194641356871917
  4. Elisa Ross, M.D.Pottstown, PA 194641164422804
  5. Charles Touey, M.D.Pottstown, PA 194641295735934
  6. Yardlie Toussaint-Foster, MDPottstown, PA 194641023033800
  7. Lee Zelley, M.D.Pottstown, PA 194641073513768
  8. Hema Jonnalagadda, M.D.Plymouth Meeting, PA 194621699783258

Common questions

What is Jessica Nancy Williams, MD's NPI number?

Jessica Nancy Williams, MD's National Provider Identifier (NPI) is 1356502827, issued on Jun 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Nancy Williams, MD located?

The NPPES record lists a practice address at 1610 Medical Dr, Pottstown, PA, 19464. Phone: (484) 925-0500. Providers update this record themselves, so call before visiting.

How can I verify Jessica Nancy Williams, MD's license?

NPPES lists Pennsylvania license number MD445396, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jessica Nancy Williams, MD prescribe under Medicare Part D?

In 2024, Jessica Nancy Williams, MD had 101 Medicare Part D claims for 34 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.