Stephen Edward Mercer, MD PHD
Anatomic Pathology Physician · Doylestown, PA
Stephen Edward Mercer, MD PHD is an anatomic pathology physician with a practice address in Doylestown, Pennsylvania, and NPI 1740449297, issued on Jun 9, 2008. Check the license (Pennsylvania MD464757, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephen Edward Mercer
- Credential
- MD PHD
- Primary taxonomy
- Anatomic Pathology Physician 207ZP0101X
- License numbers
- MD464757 PA
25MA08943200 NJ
256277 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2003 Lower State RD Bldg 200, Doylestown, PA 18901
- Phone
- (215) 345-6647
- Enumerated
- Jun 9, 2008
- Record last updated
- Mar 25, 2026
- Fax
- (215) 345-0460
- Medicare enrollment
- Enrolled (PECOS I20110930000211); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 2007
- Entity
- Type 1 · individual
8 nearest anatomic pathology physician records → All 144 in Pennsylvania → Look up another NPI →
Also registered at 2003 Lower State RD Bldg 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Kushner, D.O.Dermatology Physician1801202924
- Kayla Lapp, NPNurse Practitioner1124877287
- Brett MillerMOHS-Micrographic Surgery Physician1376802884
- Maya Ponte, M.D.Dermatology Physician1982843140
Verify Stephen Edward Mercer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD464757Check 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): 100 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).
Bills Medicare through 2 group practices
- Dermatology And Mohs Surgery Center PCDoylestown, PA
- Pathology Associates OF PrincetonPlainsboro, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Edward Mercer among 144 anatomic pathology physician records in Pennsylvania
Stephen Edward Mercer, MD PHD is one of 144 anatomic pathology physician records with a practice address in Pennsylvania. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 41% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2007 · median 2000 among the 91 with a school on file
- Record last updated2026 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0101X 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 Physician providers in Pennsylvania
There are 144 anatomic pathology physician records in Pennsylvania.
All 144 in Pennsylvania → Every provider in Doylestown → Anatomic Pathology Physician nationwide →
The 8 anatomic pathology physician records with the nearest ZIP codes
- Raafat Ahmad, MD, FACPNewtown, PA 189401023534427
- Hani Hojjati, MDSayre, PA 188401508153537
- Pamela Edmonds, M.D.Abington, PA 190011639102361
- Martha Sack, M.D.Abington, PA 190011821021411
- Laura Jacobson, M.D.Upland, PA 190131558455279
- Lauren Schwartz, MDPhiladelphia, PA 190141346402641
- Samia Henien, MDDarby, PA 190231144201542
- Domingo Java, MDDarby, PA 190231326038068
Common questions
What is Stephen Edward Mercer, MD PHD's NPI number?
Stephen Edward Mercer, MD PHD's National Provider Identifier (NPI) is 1740449297, issued on Jun 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Edward Mercer, MD PHD located?
The NPPES record lists a practice address at 2003 Lower State RD Bldg 200, Doylestown, PA, 18901. Phone: (215) 345-6647. Providers update this record themselves, so call before visiting.
How can I verify Stephen Edward Mercer, MD PHD's license?
NPPES lists Pennsylvania license number MD464757, 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 Stephen Edward Mercer, MD PHD's MIPS final score?
The 2023 MIPS final score is 100 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.