Nestor Riel, MD
NPI 1457430597 · Psychiatry Physician · Tracy, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nestor Riel, MD is a Psychiatry Physician provider in Tracy, CA (NPI 1457430597).
Provider details
- NPI number
- 1457430597
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A70170 (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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 113 | 28 |
| Clonazepam | 111 | 19 |
| Lorazepam | 108 | 20 |
| Trazodone Hcl | 100 | 31 |
| Alprazolam | 72 | 14 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 71 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2021-12-20
Frequently asked questions
- What is Nestor Riel's NPI number?
- Nestor Riel's National Provider Identifier (NPI) is 1457430597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nestor Riel's specialty?
- Nestor Riel is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Nestor Riel located?
- Nestor Riel's practice location on file with NPPES is 2185 W Grant Line Rd, Tracy, CA 95377-7309.
- What is Nestor Riel's phone number?
- The practice phone number listed in the NPPES registry for Nestor Riel is (209) 839-3200.
- Does Nestor Riel accept Medicare?
- Nestor Riel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nestor Riel's NPI active?
- Yes — Nestor Riel's NPI (1457430597) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.