Miguel Ayala, NP
NPI 1538446448 · Family Nurse Practitioner · San Ramon, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Miguel Ayala, NP is a Family Nurse Practitioner provider in San Ramon, CA (NPI 1538446448).
Provider details
- NPI number
- 1538446448
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 766219 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 259 | 98 |
| Tenofovir Alafenamidebrand: Vemlidy | 187 | 19 |
| Metformin Hcl | 90 | 36 |
| Lisinopril | 72 | 31 |
| Gabapentin | 69 | 25 |
| Amlodipine Besylate | 68 | 32 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17,759 across 74 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-11-05
- Last updated
- 2013-04-18
Frequently asked questions
- What is Miguel Ayala's NPI number?
- Miguel Ayala's National Provider Identifier (NPI) is 1538446448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miguel Ayala's specialty?
- Miguel Ayala is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Miguel Ayala located?
- Miguel Ayala's practice location on file with NPPES is 6001 Norris Canyon Rd, San Ramon, CA 94583-5400.
- What is Miguel Ayala's phone number?
- The practice phone number listed in the NPPES registry for Miguel Ayala is (925) 275-8280.
- Does Miguel Ayala accept Medicare?
- Miguel Ayala is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Miguel Ayala's NPI active?
- Yes — Miguel Ayala's NPI (1538446448) is active in the NPPES registry as of the last update on 2013-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.