DR. STEPHEN EDWARD MERCER MD PHD
NPI 1740449297
Pathology - Anatomic Pathology in Doylestown, PA
About Dr. Stephen Edward Mercer Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN EDWARD MERCER MD PHD (NPI 1740449297) is an individual anatomic pathology provider in Doylestown, Pennsylvania, licensed in Pennsylvania (MD464757) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with University Medical Center Of Princeton At Plainsboro, and maintains a secondary practice location in Hamilton Square.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephen Edward Mercer Md Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Medical Center Of Princeton At Plainsboro
Acute Care Hospitals · Plainsboro, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOYLESTOWN, PA 18901
DOYLESTOWN, PA 18901
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Mercer's NPI number?
The NPI number for Stephen Mercer is 1740449297. It was assigned to this individual provider in the NPPES registry on June 9, 2008.
Where is Stephen Mercer located?
Stephen Mercer practices at 2003 Lower State Rd Bldg 200, Doylestown, PA 18901. The listed phone number is (215) 345-6647.
What is Stephen Mercer's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Stephen Mercer enrolled in Medicare?
Yes. Stephen Mercer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Stephen Mercer affiliated with any hospitals?
According to CMS data, Stephen Mercer is affiliated with University Medical Center Of Princeton At Plainsboro.
When was this NPI record last updated?
The NPPES record for Stephen Mercer was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Stephen Edward Mercer, MD PHD · NPI 1740449297
Anatomic Pathology physician in Doylestown, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 9, 2008.
## Identity
- **NPI:** 1740449297 (Entity type: Individual)
- **Enumerated:** June 9, 2008
- **Primary specialty:** Pathology - Anatomic Pathology · taxonomy 207ZP0101X
- **State license:** MD464757 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 2003 LOWER STATE RD BLDG 200, Doylestown, PA 18901-2622
- **Phone:** (215) 345-6647 · **Fax:** (215) 345-0460
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** State University Of Ny Upstate Medical University, class of 2007
## Record status
- **NPPES last updated:** March 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740449297) · Data from the CMS NPPES public registry.