Stephen Topper, MD
NPI 1427405349 · Vascular & Interventional Radiology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Interventional Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Topper, MD is a Vascular & Interventional Radiology Physician provider in Philadelphia, PA (NPI 1427405349).
Provider details
- NPI number
- 1427405349
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT210567 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
432 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Review By Radiologist of Additional Artery Image75774 | 65 | $46 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 55 | $14 |
| Ultrasonic Guidance for Needle Placement76942 | 36 | $30 |
| Review By Radiologist of Abdominal Artery Image75726 | 33 | $93 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 30 | $12 |
| Insertion of Tube Into Abdominal, Pelvic, Or Leg Artery, Initial Third Order Branch36247 | 26 | $204 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$760 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-20
- Last updated
- 2023-11-17
- Certified
- 2023-11-17
Frequently asked questions
- What is Stephen Topper's NPI number?
- Stephen Topper's National Provider Identifier (NPI) is 1427405349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Topper's specialty?
- Stephen Topper is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Topper located?
- Stephen Topper's practice location on file with NPPES is 132 South 10th Street, Philadelphia, PA 19107-5244.
- What is Stephen Topper's phone number?
- The practice phone number listed in the NPPES registry for Stephen Topper is (215) 955-6226.
- Does Stephen Topper accept Medicare?
- Stephen Topper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Topper's NPI active?
- Yes — Stephen Topper's NPI (1427405349) is active in the NPPES registry as of the last update on 2023-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.