Jeffrey Mariano, MD
NPI 1750300521 · Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Mariano, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Los Angeles, CA (NPI 1750300521).
Provider details
- NPI number
- 1750300521
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A81061 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 53 | 15 |
| Amlodipine Besylate | 44 | 20 |
| Apixabanbrand: Eliquis | 35 | 12 |
| Escitalopram Oxalate | 35 | 14 |
| Finasteride | 28 | — |
| Potassium Chloride | 28 | 13 |
| Duloxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2021-12-03
Frequently asked questions
- What is Jeffrey Mariano's NPI number?
- Jeffrey Mariano's National Provider Identifier (NPI) is 1750300521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Mariano's specialty?
- Jeffrey Mariano is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Mariano located?
- Jeffrey Mariano's practice location on file with NPPES is 3699 Wilshire Blvd, Los Angeles, CA 90010-2718.
- What is Jeffrey Mariano's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Mariano is (323) 783-1490.
- Does Jeffrey Mariano accept Medicare?
- Jeffrey Mariano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Mariano's NPI active?
- Yes — Jeffrey Mariano's NPI (1750300521) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.