Jonathan Dorff, MD
NPI 1194939470 · Diagnostic Radiology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Dorff, MD is a Diagnostic Radiology Physician provider in Philadelphia, PA (NPI 1194939470).
Provider details
- NPI number
- 1194939470
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD431218 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,130 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) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 209 | $86 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 79 | $35 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 72 | $306 |
| X-Ray of Abdomen, 1 View74018 | 69 | $9 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 65 | $21 |
| Ct Scan of Chest With Contrast71260 | 64 | $53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$67 across 1 record (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
- 2007-05-09
- Last updated
- 2016-01-21
Frequently asked questions
- What is Jonathan Dorff's NPI number?
- Jonathan Dorff's National Provider Identifier (NPI) is 1194939470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Dorff's specialty?
- Jonathan Dorff is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Dorff located?
- Jonathan Dorff's practice location on file with NPPES is 800 Spruce Street, Philadelphia, PA 19107-6130.
- What is Jonathan Dorff's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Dorff is (215) 829-3201.
- Does Jonathan Dorff accept Medicare?
- Jonathan Dorff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Dorff's NPI active?
- Yes — Jonathan Dorff's NPI (1194939470) is active in the NPPES registry as of the last update on 2016-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.