Mazin Elhadary, MD
NPI 1538554548 · Family Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mazin Elhadary, MD is a Family Medicine Physician provider in Pasadena, CA (NPI 1538554548).
Provider details
- NPI number
- 1538554548
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A151384 (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
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
329 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 135 | $138 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 48 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $99 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 35 | $50 |
| Automated Urinalysis Test81003 | 25 | $2 |
| X-Ray of Chest, 2 Views71046 | 17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 68 | 68 |
| Azithromycin | 59 | 59 |
| Prednisone | 38 | 38 |
| Methylprednisolone | 32 | 32 |
| Ciprofloxacin Hcl | 29 | 28 |
| Amoxicillin | 28 | 28 |
| Doxycycline Hyclate | 27 | 27 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Additional practice locations (5)
- 15855 Pomona Rincon Rd Bldg 4Chino Hills, CA 91709-3162Phone: (909) 929-2511
- 8110 Mango AveFontana, CA 92335-3603Phone: (909) 854-0430
- 2251 N Harbor BlvdFullerton, CA 92835-2601Phone: (714) 449-6230
- 2501 E Chapman AveOrange, CA 92869-3204Phone: (714) 628-3300
- 4300 Rose DrYorba Linda, CA 92886-2026Phone: (714) 528-9911
Registry dates
- Enumerated
- 2015-04-06
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is Mazin Elhadary's NPI number?
- Mazin Elhadary's National Provider Identifier (NPI) is 1538554548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mazin Elhadary's specialty?
- Mazin Elhadary is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mazin Elhadary located?
- Mazin Elhadary's practice location on file with NPPES is 260 S Los Robles Ave Ste 102, Pasadena, CA 91101-2869.
- What is Mazin Elhadary's phone number?
- The practice phone number listed in the NPPES registry for Mazin Elhadary is (818) 395-6257.
- Does Mazin Elhadary accept Medicare?
- Mazin Elhadary is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mazin Elhadary's NPI active?
- Yes — Mazin Elhadary's NPI (1538554548) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.