Leo Zacks, M.D.
NPI 1386038578 · Internal Medicine Physician · Temecula, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leo Zacks, M.D. is a Internal Medicine Physician provider in Temecula, CA (NPI 1386038578).
Provider details
- NPI number
- 1386038578
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A154099 (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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 783 | 274 |
| Amlodipine Besylate | 390 | 139 |
| Lisinopril | 369 | 141 |
| Losartan Potassium | 346 | 124 |
| Levothyroxine Sodium | 292 | 98 |
| Rosuvastatin Calcium | 227 | 84 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Additional practice locations (1)
- 2040 W Charleston Blvd#300Las Vegas, NV 89102-2227Phone: (702) 671-2358
Registry dates
- Enumerated
- 2015-03-25
- Last updated
- 2021-11-22
Frequently asked questions
- What is Leo Zacks's NPI number?
- Leo Zacks's National Provider Identifier (NPI) is 1386038578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo Zacks's specialty?
- Leo Zacks is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leo Zacks located?
- Leo Zacks's practice location on file with NPPES is 27309 Madison Ave, Temecula, CA 92590-5685.
- What is Leo Zacks's phone number?
- The practice phone number listed in the NPPES registry for Leo Zacks is (833) 574-2273.
- Does Leo Zacks accept Medicare?
- Leo Zacks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leo Zacks's NPI active?
- Yes — Leo Zacks's NPI (1386038578) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.