Ruben Alvarez, MD
NPI 1598832511 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruben Alvarez, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1598832511).
Provider details
- NPI number
- 1598832511
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G76115 (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 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 648 | 237 |
| Amlodipine Besylate | 414 | 147 |
| Lisinopril | 395 | 131 |
| Metformin Hcl | 362 | 126 |
| Rosuvastatin Calcium | 256 | 104 |
| Hydrochlorothiazide | 251 | 92 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2021-11-30
Frequently asked questions
- What is Ruben Alvarez's NPI number?
- Ruben Alvarez's National Provider Identifier (NPI) is 1598832511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruben Alvarez's specialty?
- Ruben Alvarez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruben Alvarez located?
- Ruben Alvarez's practice location on file with NPPES is 4733 W Sunset Blvd, Los Angeles, CA 90027-6021.
- What is Ruben Alvarez's phone number?
- The practice phone number listed in the NPPES registry for Ruben Alvarez is (323) 783-4011.
- Does Ruben Alvarez accept Medicare?
- Ruben Alvarez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruben Alvarez's NPI active?
- Yes — Ruben Alvarez's NPI (1598832511) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.