John Mongan, MD, PHD
NPI 1396070199 · Diagnostic Radiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mongan, MD, PHD is a Diagnostic Radiology Physician provider in San Francisco, CA (NPI 1396070199).
Provider details
- NPI number
- 1396070199
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- A110225 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,034 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 164 | $96 |
| X-Ray of Abdomen, 1 View74018 | 112 | $10 |
| Limited Ultrasound Scan of Abdomen76705 | 96 | $31 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 63 | $39 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 50 | $36 |
| Ultrasound Scan of Transplanted Kidney76776 | 45 | $40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-10-12
- Last updated
- 2016-11-07
Frequently asked questions
- What is John Mongan's NPI number?
- John Mongan's National Provider Identifier (NPI) is 1396070199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mongan's specialty?
- John Mongan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Mongan located?
- John Mongan's practice location on file with NPPES is 505 Parnassus Ave # M-391, San Francisco, CA 94143-0628.
- What is John Mongan's phone number?
- The practice phone number listed in the NPPES registry for John Mongan is (415) 476-8358.
- Does John Mongan accept Medicare?
- John Mongan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mongan's NPI active?
- Yes — John Mongan's NPI (1396070199) is active in the NPPES registry as of the last update on 2016-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.