Registry data as of Aug 27, 2026

William Pastuszak, M.D.

Anatomic Pathology & Clinical Pathology Physician · Hartford, CT

William Pastuszak, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Hartford, Connecticut, and NPI 1366430886, issued on Oct 10, 2005. Check the license on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1366430886
Name
William Pastuszak
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
Practice location
80 Seymour St, Hartford, CT 06102
Phone
(860) 545-2249
Enumerated
Oct 10, 2005
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 80 Seymour St

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

  1. Gazang Abdulla, PA-CPhysician Assistant1396566956
  2. Evelyn Abernathy, M.D.Anatomic Pathology & Clinical Pathology Physician1982680195
  3. Rimanatou Adamou-DodoFamily Nurse Practitioner1588532980
  4. Sherry Adams, RN, MSN, BSN, CDCESDiabetes Educator Registered Nurse1821862905
  5. Hassana Addai-Boateng, MDInternal Medicine Physician1477226777
  6. Santosh Adhikari, MDHospitalist Physician1487331450

Verify William Pastuszak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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.

Anatomic Pathology & Clinical Pathology Physician providers in Connecticut

There are 185 anatomic pathology & clinical pathology physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other anatomic pathology & clinical pathology physician records in Connecticut

  1. Evelyn Abernathy, M.D.Hartford, CT1982680195
  2. Rita Abi-RaadNew Haven, CT1992097273
  3. Aadil Ahmed, MDNew Haven, CT1407240559
  4. Hiba Alhumaidan, M.D.New Haven, CT1730409327
  5. Vicki Altmeyer, M.D.Greenwich, CT1700807898
  6. Thomas Anderson, M.D.Waterbury, CT1063486496
  7. Anica Antic, M.D.New London, CT1457678641
  8. Margaret Assaad, M.D.Hartford, CT1922030451
  9. Deborah August, M.D.Norwalk, CT1801871504
  10. Robert Babkowski, MDStamford, CT1124006341

Common questions

What is William Pastuszak, M.D.'s NPI number?

William Pastuszak, M.D.'s National Provider Identifier (NPI) is 1366430886, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Pastuszak, M.D. located?

The NPPES record lists a practice address at 80 Seymour St, Hartford, CT, 06102. Phone: (860) 545-2249. Providers update this record themselves, so call before visiting.

How can I verify William Pastuszak, M.D.'s license?

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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.