Doctor profile · Federal record

Dr. Stephen Topper, MD

Vascular & Interventional Radiology Physician (CMS: Interventional Radiology) · Diagnostic Radiology Physician · Surgery Physician · Philadelphia, PA

  • NPI 1427405349
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
132 South 10Th Street, 10 Th Floor Main
Philadelphia, PA 191075244
(215) 955-6226
fax (215) 923-1562

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
November 17, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2085R0204X — NUCC code
State licenses (2)
Pennsylvania #MD456286 · Pennsylvania #MT210567

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427405349. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
432
Distinct HCPCS
10
Medicare allowed
$32,181
HCPCS Description Services Patients Avg allowed
76937 Ultrasonic guidance for blood vessel access 63 51 $15
75774 Review by radiologist of additional artery image 47 13 $48
76942 Ultrasonic guidance for needle placement 41 41 $30
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 39 35 $13
49083 Drainage of fluid from abdominal cavity using imaging guidance 34 24 $106
77001 Fluoroscopic guidance for insertion or removal of central vein access device 33 33 $18
36248 Insertion of tube into abdominal, pelvic, or leg artery, additional second, third, and beyond 27 11 $49
75726 Review by radiologist of abdominal artery image 25 12 $97
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch 22 12 $215
47000 Needle biopsy of liver through skin 18 17 $74

In context: peer comparison

Among 25 peers in Philadelphia Vascular & Interventional Radiology Physician, average services per provider: 78. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$760
Transactions
20
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Inari Medical, INC. 10 $359.56
Penumbra, INC. 4 $204.69
Boston Scientific Corporation 4 $156.32
Siemens Medical Solutions USA, INC. 1 $23.25
Cook Medical LLC 1 $16.01

By nature of payment

Food and Beverage
$760

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Topper's medical specialty?
Dr. Stephen Topper practices Vascular & Interventional Radiology Physician in Philadelphia, PA.
Where does Dr. Stephen Topper practice?
Dr. Stephen Topper practices at 132 South 10Th Street, Philadelphia, PA 191075244. Office phone: 2159556226.
What is Dr. Stephen Topper's NPI?
Dr. Stephen Topper's National Provider Identifier (NPI) is 1427405349, issued by NPPES.
Does Dr. Stephen Topper accept Medicare assignment?
Yes. Dr. Stephen Topper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Topper commonly perform?
Top Medicare-reported procedures in 2023: Ultrasonic guidance for blood vessel access (HCPCS 76937); Review by radiologist of additional artery image (HCPCS 75774); Ultrasonic guidance for needle placement (HCPCS 76942). Source: CMS Medicare Physician & Other Practitioners file.