NPPES file of Aug 9, 2026

Shaun C. Williams, M.D.

Reproductive Endocrinology Physician · Norwalk, CT

Shaun C. Williams, M.D. is a reproductive endocrinology physician with a practice address in Norwalk, Connecticut, and NPI 1598873481, issued on Aug 29, 2006. Check the license (Connecticut 043549, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1598873481
Name
Shaun C. Williams
Credential
M.D.
Primary taxonomy
Reproductive Endocrinology Physician 207VE0102X
License number
043549 CT
Self-reported in NPPES; status is on the state search
Practice location
761 Main Ave, Norwalk, CT 06851
Phone
(203) 750-7400
Enumerated
Aug 29, 2006
Record last updated
Mar 7, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 761 Main Ave

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

  1. Charles Adelmann, M.D.Gastroenterology Physician1861436511
  2. Stella Arbitman, M.D., CCFPFamily Medicine Physician1467726141
  3. Thomas Ayoub, MDObstetrics & Gynecology Physician1700990652
  4. Kristen Baker, PA CMedical Physician Assistant1427061100
  5. Sharyu Bande, MDInternal Medicine Physician1619130705
  6. Cindy Barboza, APRNFamily Nurse Practitioner1528499951

Verify Shaun C. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 043549
    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 Connecticut 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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Industry payments in 2024: $341.85

14 payments; by number, the most common kind was food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 1,066 providers of this specialty with any payment received $1,086.52 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shaun Williams$341.85
  2. Specialty average$1,086.52

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

Shaun C. Williams among 47 reproductive endocrinology physician records in Connecticut

Shaun C. Williams, M.D. is one of 47 reproductive endocrinology physician records with a practice address in Connecticut. 72% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 38% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 13% of these records are
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Reproductive Endocrinology Physician providers in Connecticut

There are 47 reproductive endocrinology physician records in Connecticut.

The 8 reproductive endocrinology physician records with the nearest ZIP codes

  1. Joshua Hurwitz, MDNorwalk, CT 068511457420176
  2. Alexander Kucherov, M.D.Norwalk, CT 068511104106244
  3. Laura Meyer, M.D.Norwalk, CT 068511962656389
  4. Cynthia Murdock, M.D.Norwalk, CT 068511932218906
  5. Ilana Ressler, MDNorwalk, CT 068511255510913
  6. Spencer Richlin, MDNorwalk, CT 068511033288758
  7. Deepika Garg, M.D.Greenwich, CT 068301841631520
  8. Nora Miller, M.D.Greenwich, CT 068301861500704

Common questions

What is Shaun C. Williams, M.D.'s NPI number?

Shaun C. Williams, M.D.'s National Provider Identifier (NPI) is 1598873481, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Shaun C. Williams, M.D. located?

The NPPES record lists a practice address at 761 Main Ave, Norwalk, CT, 06851. Phone: (203) 750-7400. Providers update this record themselves, so call before visiting.

How can I verify Shaun C. Williams, M.D.'s license?

NPPES lists Connecticut license number 043549, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. 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.

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.