Mark John Seamon, MD
Surgical Critical Care Physician · Philadelphia, PA
Mark John Seamon, MD is a surgical critical care physician with a practice address in Philadelphia, Pennsylvania, and NPI 1184780546, issued on Dec 29, 2006. Check the license (Pennsylvania MD424459, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark John Seamon
- Credential
- MD
- Primary taxonomy
- Surgical Critical Care Physician 2086S0102X
- License number
- MD424459 PA
Self-reported in NPPES; status is on the state search - Practice location
- 51 North 39TH Street, Philadelphia, PA 19104
- Phone
- (215) 349-8310
- Enumerated
- Dec 29, 2006
- Record last updated
- May 28, 2026
- Fax
- (215) 724-3560
- Medicare enrollment
- Enrolled (PECOS I20071120000513); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest surgical critical care physician records → All 150 in Pennsylvania → Look up another NPI →
Also registered at 51 North 39TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark John Seamon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD424459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $176.93
3 payments; by number, the most common kind was food and beverage; the largest payer was Prytime Medical Devices, Inc. The 1,092 providers of this specialty with any payment received $2,183.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark John Seamon among 150 surgical critical care physician records in Pennsylvania
Mark John Seamon, MD is one of 150 surgical critical care physician records with a practice address in Pennsylvania. 93% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 70% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2001 · median 2008 among the 129 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0102X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Critical Care Physician providers in Pennsylvania
There are 150 surgical critical care physician records in Pennsylvania.
All 150 in Pennsylvania → Every provider in Philadelphia → Surgical Critical Care Physician nationwide →
The 8 surgical critical care physician records with the nearest ZIP codes
- Seema Anandalwar, M.D.Philadelphia, PA 191041932527538
- Jeremy Cannon, M.D.Philadelphia, PA 191041952368136
- Forrest Fernandez, MDPhiladelphia, PA 191041174619969
- Joseph Fernandez-Moure, M.D.Philadelphia, PA 191041073741484
- Lewis Kaplan, MDPhiladelphia, PA 191041417938853
- Elinore Kaufman, MDPhiladelphia, PA 191041336438431
- Nathan Klingensmith, M.D.Philadelphia, PA 191041205192424
- Matthew Leatherman, D.O.Philadelphia, PA 191041942541487
Common questions
What is Mark John Seamon, MD's NPI number?
Mark John Seamon, MD's National Provider Identifier (NPI) is 1184780546, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark John Seamon, MD located?
The NPPES record lists a practice address at 51 North 39TH Street, Philadelphia, PA, 19104. Phone: (215) 349-8310. Providers update this record themselves, so call before visiting.
How can I verify Mark John Seamon, MD's license?
NPPES lists Pennsylvania license number MD424459, 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.
What is Mark John Seamon, MD's MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.