Mason Robert Marshall, DO
Anatomic Pathology & Clinical Pathology Physician · Pittsburgh, PA
Mason Robert Marshall, DO is an anatomic pathology & clinical pathology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1609401736, issued on Mar 9, 2020. Check the license on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mason Robert Marshall
- Credential
- DO
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 82022-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3550 Terrace Street Pathology Education Office A711, Pittsburgh, PA 15270
- Phone
- (412) 802-6014
- Enumerated
- Mar 9, 2020
- Record last updated
- Feb 25, 2026
- Medicare enrollment
- Enrolled (PECOS I20260323003523); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 716 in Pennsylvania → Look up another NPI →
Verify Mason Robert Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mason Robert Marshall among 716 anatomic pathology & clinical pathology physician records in Pennsylvania
Mason Robert Marshall, DO 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 not. Its NPI, issued in 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 5% newer
- In a Medicare fileNo · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2021 · median 2001 among the 388 with a school on file
- Record last updated2026 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 716 in Pennsylvania → Every provider in Pittsburgh → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Bryan Rea, MDPittsburgh, PA 152631619312287
- Dayne Ashman, MDPittsburgh, PA 152621629556485
- Daniel Marker, MD/PHDPittsburgh, PA 152621588142889
- Bryan Stevens, MDPittsburgh, PA 152621669950416
- Vincent Cracolici, M.D.Pittsburgh, PA 152611932589009
- Stell Santiago, M.D.Pittsburgh, PA 152611083194690
- Heather Stevenson-Lerner, M.D./PH.D.Pittsburgh, PA 152611215163993
- Rachel Vanderschelden, MDPittsburgh, PA 152611578145322
Common questions
What is Mason Robert Marshall, DO's NPI number?
Mason Robert Marshall, DO's National Provider Identifier (NPI) is 1609401736, issued on Mar 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mason Robert Marshall, DO located?
The NPPES record lists a practice address at 3550 Terrace Street Pathology Education Office A711, Pittsburgh, PA, 15270. Phone: (412) 802-6014. Providers update this record themselves, so call before visiting.
How can I verify Mason Robert Marshall, DO's license?
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. 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.