Sim Hoffman, M.D.
NPI 1053423079 · Diagnostic Radiology Physician · Buena Park, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sim Hoffman, M.D. is a Diagnostic Radiology Physician provider in Buena Park, CA (NPI 1053423079).
Provider details
- NPI number
- 1053423079
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G43636 (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
19 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
439 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 159 | $217 |
| X-Ray of Chest, 2 Views71046 | 71 | $38 |
| Complete Ultrasound Scan of Abdomen76700 | 41 | $129 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 41 | $185 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 30 | $15 |
| Ultrasound of Leg Arteries Or Artery Grafts93925 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2025-07-31
- Certified
- 2025-07-31
Frequently asked questions
- What is Sim Hoffman's NPI number?
- Sim Hoffman's National Provider Identifier (NPI) is 1053423079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sim Hoffman's specialty?
- Sim Hoffman is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sim Hoffman located?
- Sim Hoffman's practice location on file with NPPES is 6905 Oslo Cir Ste F, Buena Park, CA 90621-4673.
- What is Sim Hoffman's phone number?
- The practice phone number listed in the NPPES registry for Sim Hoffman is (714) 995-5400.
- Does Sim Hoffman accept Medicare?
- Sim Hoffman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sim Hoffman's NPI active?
- Yes — Sim Hoffman's NPI (1053423079) is active in the NPPES registry as of the last update on 2025-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.