Austin Marsh
NPI 1346773850 · Diagnostic Radiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Austin Marsh is a Diagnostic Radiology Physician provider in Los Angeles, CA (NPI 1346773850).
Provider details
- NPI number
- 1346773850
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 40879 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
312 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 | 116 | $63 |
| Mri Scan of Arm Joint Without Contrast73221 | 94 | $63 |
| Mri Scan of Leg Joint Without Contrast73721 | 30 | $64 |
| Mri Scan of Leg Without Contrast73718 | 29 | $61 |
| Mri Scan of Arm Joint Without Contrast73221 | 27 | $64 |
| Mri Scan of Leg Before and After Contrast73720 | 16 | $100 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-11
- Last updated
- 2023-03-14
- Certified
- 2023-03-14
Frequently asked questions
- What is Austin Marsh's NPI number?
- Austin Marsh's National Provider Identifier (NPI) is 1346773850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Austin Marsh's specialty?
- Austin Marsh is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Austin Marsh located?
- Austin Marsh's practice location on file with NPPES is 1510 Cotner Ave, Los Angeles, CA 90025-3303.
- What is Austin Marsh's phone number?
- The practice phone number listed in the NPPES registry for Austin Marsh is (424) 901-9100.
- Does Austin Marsh accept Medicare?
- Austin Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Austin Marsh's NPI active?
- Yes — Austin Marsh's NPI (1346773850) is active in the NPPES registry as of the last update on 2023-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.