Mark Aminzadeh, MD
NPI 1184070427 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Aminzadeh, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1184070427).
Provider details
- NPI number
- 1184070427
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
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
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
366 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) |
|---|---|---|
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifiG0317 | 203 | $31 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 163 | $161 |
Typical Medicare-allowed amounts for these services range $31–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 284 | 31 |
| Apixabanbrand: Eliquis | 197 | 15 |
| Amlodipine Besylate | 176 | 19 |
| Finasteride | 149 | 17 |
| Levothyroxine Sodium | 142 | — |
| Tamsulosin Hcl | 133 | 15 |
| Lisinopril |
Practice location
Mailing address
Additional practice locations (2)
- 1875 Century Park E Ste 1600Los Angeles, CA 90067-2517Phone: (844) 644-4325Fax: (424) 625-0010
- 8700 Beverly Blvd #5512Los Angeles, CA 90048Phone: (310) 423-5161
Registry dates
- Enumerated
- 2016-05-05
- Last updated
- 2025-05-20
- Certified
- 2025-05-20
Frequently asked questions
- What is Mark Aminzadeh's NPI number?
- Mark Aminzadeh's National Provider Identifier (NPI) is 1184070427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Aminzadeh's specialty?
- Mark Aminzadeh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Aminzadeh located?
- Mark Aminzadeh's practice location on file with NPPES is 2070 Century Park E, Los Angeles, CA 90067-1907.
- What is Mark Aminzadeh's phone number?
- The practice phone number listed in the NPPES registry for Mark Aminzadeh is (424) 522-7100.
- Does Mark Aminzadeh accept Medicare?
- Mark Aminzadeh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Aminzadeh's NPI active?
- Yes — Mark Aminzadeh's NPI (1184070427) is active in the NPPES registry as of the last update on 2025-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.