Doctor profile · Federal record

Dr. Mark Sellmyer, M.D.,P.H.D.

Nuclear Radiology Physician (CMS: Nuclear Medicine) · Philadelphia, PA

  • NPI 1932475381
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 Spruce St, 1 Silverstein Pavillion.
Philadelphia, PA 19104
(617) 543-6546

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
May 29, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
2085N0904X — NUCC code
State license (1)
Pennsylvania #MD452997

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932475381. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
378
Distinct HCPCS
5
Medicare allowed
$62,761
HCPCS Description Services Patients Avg allowed
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 174 167 $118
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 135 127 $216
78816 Nuclear medicine study whole body with ct scan 32 31 $118
78816 Nuclear medicine study whole body with ct scan 26 24 $310
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries 11 11 $116

In context: peer comparison

Among 5 peers in Philadelphia Nuclear Radiology Physician, average services per provider: 105. This provider delivers 3.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Sellmyer's medical specialty?
Dr. Mark Sellmyer practices Nuclear Radiology Physician in Philadelphia, PA.
Where does Dr. Mark Sellmyer practice?
Dr. Mark Sellmyer practices at 3400 Spruce St, Philadelphia, PA 19104. Office phone: 6175436546.
What is Dr. Mark Sellmyer's NPI?
Dr. Mark Sellmyer's National Provider Identifier (NPI) is 1932475381, issued by NPPES.
Does Dr. Mark Sellmyer accept Medicare assignment?
Yes. Dr. Mark Sellmyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Sellmyer commonly perform?
Top Medicare-reported procedures in 2023: Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS 78815); Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS 78815); Nuclear medicine study whole body with ct scan (HCPCS 78816). Source: CMS Medicare Physician & Other Practitioners file.