Sam Zeim, M.D.
NPI 1558631655 · Diagnostic Radiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sam Zeim, M.D. is a Diagnostic Radiology Physician provider in Los Angeles, CA (NPI 1558631655).
Provider details
- NPI number
- 1558631655
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A103005 (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
14 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
2,491 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 682 | $31 |
| Screening Mammography77067 | 681 | $42 |
| X-Ray of Chest, 2 Views71046 | 267 | $14 |
| Complete Ultrasound Scan of 1 Breast76641 | 183 | $54 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 146 | $31 |
| Complete Ultrasound Scan of Abdomen76700 | 95 | $44 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-01-05
- Last updated
- 2016-03-02
Frequently asked questions
- What is Sam Zeim's NPI number?
- Sam Zeim's National Provider Identifier (NPI) is 1558631655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sam Zeim's specialty?
- Sam Zeim is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sam Zeim located?
- Sam Zeim's practice location on file with NPPES is 1500 San Pablo St, Los Angeles, CA 90033-5313.
- What is Sam Zeim's phone number?
- The practice phone number listed in the NPPES registry for Sam Zeim is (323) 442-8541.
- Does Sam Zeim accept Medicare?
- Sam Zeim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sam Zeim's NPI active?
- Yes — Sam Zeim's NPI (1558631655) is active in the NPPES registry as of the last update on 2016-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.