Michael Brown, D.O.
NPI 1790163863 · Diagnostic Radiology Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Brown, D.O. is a Diagnostic Radiology Physician provider in Santa Ana, CA (NPI 1790163863).
Provider details
- NPI number
- 1790163863
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A18292 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
1,533 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) |
|---|---|---|
| Mri Scan of Leg Joint Without Contrast73721 | 349 | $221 |
| Mri Scan of Arm Joint Without Contrast73221 | 243 | $230 |
| X-Ray of Knee, 3 Views73562 | 120 | $47 |
| Ct Scan of Leg Without Contrast73700 | 105 | $149 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 73 | $39 |
| X-Ray of Knee, 4 Or More Views73564 | 66 | $53 |
| X-Ray of Foot, Minimum of 3 Views |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-11
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Michael Brown's NPI number?
- Michael Brown's National Provider Identifier (NPI) is 1790163863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Brown's specialty?
- Michael Brown is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Brown located?
- Michael Brown's practice location on file with NPPES is 1100 N Tustin Ave Ste a, Santa Ana, CA 92705-3509.
- What is Michael Brown's phone number?
- The practice phone number listed in the NPPES registry for Michael Brown is (716) 830-8009.
- Does Michael Brown accept Medicare?
- Michael Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Brown's NPI active?
- Yes — Michael Brown's NPI (1790163863) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.