Marc David Guerini, M.D.
Internal Medicine Physician · Pittsburgh, PA
Marc David Guerini, M.D. is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1134514219, issued on Apr 5, 2015. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marc David Guerini
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 57.026246 OH
Self-reported in NPPES; status is on the state search - Practice location
- 320 E North Ave, Pittsburgh, PA 15212
- Phone
- (412) 359-3131
- Enumerated
- Apr 5, 2015
- Record last updated
- Jun 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190814004137); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 320 E North Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marc David Guerini 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
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
113 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Central Ohio Hospitalists, IncColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc David Guerini among 7,300 internal medicine physician records in Pennsylvania
Marc David Guerini, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 62% of them.
- NPI issued2015 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2008 among the 4,208 with a school on file
- Record last updated2018 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Carson, M.D.Pittsburgh, PA 152121679578603
- Elizabeth Cuevas, MDPittsburgh, PA 152121861482507
- Sonia Dhawan, MDPittsburgh, PA 152121639169352
- Andrew HallPittsburgh, PA 152121275538381
- Marc Itskowitz, MDPittsburgh, PA 152121922009901
- Sharon Kiely, MDPittsburgh, PA 152121639170616
- Christine Mackey, MDPittsburgh, PA 152121427059054
- Patrick Perri, MDPittsburgh, PA 152121427048164
Common questions
What is Marc David Guerini, M.D.'s NPI number?
Marc David Guerini, M.D.'s National Provider Identifier (NPI) is 1134514219, issued on Apr 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Marc David Guerini, M.D. located?
The NPPES record lists a practice address at 320 E North Ave, Pittsburgh, PA, 15212. Phone: (412) 359-3131. Providers update this record themselves, so call before visiting.
How can I verify Marc David Guerini, M.D.'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.
How much does Marc David Guerini, M.D. prescribe under Medicare Part D?
In 2024, Marc David Guerini, M.D. had 113 Medicare Part D claims for 52 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.