Maziar Zamani, M.D.
NPI 1518056027 · Internal Medicine Physician · Laguna Hills, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maziar Zamani, M.D. is a Internal Medicine Physician provider in Laguna Hills, CA (NPI 1518056027).
Provider details
- NPI number
- 1518056027
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A64135 (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
2,313 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 660 | $195 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 383 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 311 | $142 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 140 | $98 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 92 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 155 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,078 | 279 |
| Atorvastatin Calcium | 653 | 191 |
| Losartan Potassium | 481 | 136 |
| Amlodipine Besylate | 479 | 140 |
| Pantoprazole Sodium | 314 | 101 |
| Metformin Hcl | 284 | 94 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2026-05-22
- Certified
- 2026-05-22
Frequently asked questions
- What is Maziar Zamani's NPI number?
- Maziar Zamani's National Provider Identifier (NPI) is 1518056027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maziar Zamani's specialty?
- Maziar Zamani is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maziar Zamani located?
- Maziar Zamani's practice location on file with NPPES is 24022 Calle De La Plata Ste 405, Laguna Hills, CA 92653-3630.
- What is Maziar Zamani's phone number?
- The practice phone number listed in the NPPES registry for Maziar Zamani is (949) 404-5647.
- Does Maziar Zamani accept Medicare?
- Maziar Zamani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maziar Zamani's NPI active?
- Yes — Maziar Zamani's NPI (1518056027) is active in the NPPES registry as of the last update on 2026-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.