Brenda Pelayo, DO
NPI 1255911053 · Internal Medicine Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brenda Pelayo, DO is a Internal Medicine Physician provider in Fontana, CA (NPI 1255911053).
Provider details
- NPI number
- 1255911053
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A21280 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 37 | 15 |
| Losartan Potassium | 25 | — |
| Amlodipine Besylate | 21 | — |
| Metformin Hcl | 19 | — |
| Gabapentin | 15 | — |
| Levothyroxine Sodium | 13 | — |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-14
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Brenda Pelayo's NPI number?
- Brenda Pelayo's National Provider Identifier (NPI) is 1255911053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brenda Pelayo's specialty?
- Brenda Pelayo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brenda Pelayo located?
- Brenda Pelayo's practice location on file with NPPES is 17234 Valley Blvd, Fontana, CA 92335-6720.
- What is Brenda Pelayo's phone number?
- The practice phone number listed in the NPPES registry for Brenda Pelayo is (909) 427-2608.
- Does Brenda Pelayo accept Medicare?
- Brenda Pelayo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brenda Pelayo's NPI active?
- Yes — Brenda Pelayo's NPI (1255911053) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.