Dayron Leon, MD
NPI 1255919676 · Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dayron Leon, MD is a Psychiatry Physician provider in San Francisco, CA (NPI 1255919676).
Provider details
- NPI number
- 1255919676
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A199545 (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
5 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Risperidone | 53 |
| Bupropion Hclbrand: Bupropion Xl | 43 |
| Mirtazapine | 27 |
| Bupropion Hcl | 25 |
| Sertraline Hcl | 25 |
| Olanzapine | 23 |
| Clonazepam | 22 |
| Fluoxetine Hcl | 22 |
| Hydroxyzine Hcl | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-29
- Last updated
- 2025-07-09
- Certified
- 2025-07-09
Frequently asked questions
- What is Dayron Leon's NPI number?
- Dayron Leon's National Provider Identifier (NPI) is 1255919676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dayron Leon's specialty?
- Dayron Leon is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Dayron Leon located?
- Dayron Leon's practice location on file with NPPES is 456 Montgomery St Ste 1400, San Francisco, CA 94104-1247.
- What is Dayron Leon's phone number?
- The practice phone number listed in the NPPES registry for Dayron Leon is (415) 853-0497.
- Does Dayron Leon accept Medicare?
- Dayron Leon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dayron Leon's NPI active?
- Yes — Dayron Leon's NPI (1255919676) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.