Leonid Markman, MD
NPI 1003964982 · Psychiatry Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonid Markman, MD is a Psychiatry Physician provider in San Diego, CA (NPI 1003964982).
Provider details
- NPI number
- 1003964982
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A53460 (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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 64 | 21 |
| Trazodone Hcl | 59 | 26 |
| Hydroxyzine Pamoate | 45 | 11 |
| Alprazolam | 43 | 11 |
| Fluoxetine Hcl | 36 | 13 |
| Mirtazapine | 29 | 15 |
| Lorazepam | 24 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-12-03
Frequently asked questions
- What is Leonid Markman's NPI number?
- Leonid Markman's National Provider Identifier (NPI) is 1003964982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonid Markman's specialty?
- Leonid Markman is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Leonid Markman located?
- Leonid Markman's practice location on file with NPPES is 4647 Zion Ave, San Diego, CA 92120-2507.
- What is Leonid Markman's phone number?
- The practice phone number listed in the NPPES registry for Leonid Markman is (619) 528-5000.
- Does Leonid Markman accept Medicare?
- Leonid Markman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonid Markman's NPI active?
- Yes — Leonid Markman's NPI (1003964982) 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.