NPPES file of Aug 9, 2026

Catherine Kirby Gestrich, D.O.

Anatomic Pathology & Clinical Pathology Physician · Pittsburgh, PA

Catherine Kirby Gestrich, D.O. is an anatomic pathology & clinical pathology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1326573288, issued on Apr 27, 2017. Check the license (Pennsylvania OS021101, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326573288
Name
Catherine Kirby Gestrich
Credential
D.O.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
OS021101 PA
Self-reported in NPPES; status is on the state search
Practice location
200 Lothrop St, Pittsburgh, PA 15213
Phone
(540) 874-4470
Enumerated
Apr 27, 2017
Record last updated
May 3, 2023
Medicare enrollment
Enrolled (PECOS I20230607002563); accepts Medicare assignment
Medical or professional school
West Virginia School Of Osteopathic Medicine, 2017
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 200 Lothrop St

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

  1. Amy AbbottCertified Registered Nurse Anesthetist1689943490
  2. Bisan Abboud, MDStudent in an Organized Health Care Education/Training Program1588359434
  3. Othman Abdul-MalakVascular Surgery Physician1003285602
  4. Mohamed Abdullah, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1164001277
  5. Raed Abdullah, MDSpecialist1962474353
  6. Michael Abesamis, M.D.Emergency Medicine Physician1467647958

Verify Catherine Kirby Gestrich 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 OS021101
    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

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. University OF Pittsburgh PhysiciansPittsburgh, PA

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

Catherine Kirby Gestrich among 716 anatomic pathology & clinical pathology physician records in Pennsylvania

Catherine Kirby Gestrich, D.O. is one of 716 anatomic pathology & clinical pathology physician records with a practice address in Pennsylvania. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 86% of them.

  • NPI issued2017 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2017 · median 2001 among the 388 with a school on file
  • Record last updated2023 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Pennsylvania

There are 716 anatomic pathology & clinical pathology physician records in Pennsylvania.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Gloria Carter, MDPittsburgh, PA 152131578535050
  2. Marie DefrancesPittsburgh, PA 152131851364004
  3. Miroslav Djokic, MDPittsburgh, PA 152131588711428
  4. Scott Dufresne, M.D.Pittsburgh, PA 152131356456123
  5. Jeffrey FinePittsburgh, PA 152131003837089
  6. Douglas HartmanPittsburgh, PA 152131972714590
  7. Bassem Hendawy, M.D.Pittsburgh, PA 152131053464701
  8. Amal Kanbour, MD,PHDPittsburgh, PA 152131508830159

Common questions

What is Catherine Kirby Gestrich, D.O.'s NPI number?

Catherine Kirby Gestrich, D.O.'s National Provider Identifier (NPI) is 1326573288, issued on Apr 27, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Kirby Gestrich, D.O. located?

The NPPES record lists a practice address at 200 Lothrop St, Pittsburgh, PA, 15213. Phone: (540) 874-4470. Providers update this record themselves, so call before visiting.

How can I verify Catherine Kirby Gestrich, D.O.'s license?

NPPES lists Pennsylvania license number OS021101, 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.

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.