Miriam Hernandez, PA
NPI 1457903700 · Physician Assistant · San Marcos, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Miriam Hernandez, PA is a Physician Assistant provider in San Marcos, CA (NPI 1457903700).
Provider details
- NPI number
- 1457903700
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 58953 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 117 | 44 |
| Metformin Hcl | 85 | 28 |
| Lisinopril | 79 | 21 |
| Losartan Potassium | 55 | 18 |
| Amlodipine Besylate | 54 | 19 |
| Semaglutidebrand: Ozempic | 37 | — |
| Naproxen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$188 across 8 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
Additional practice locations (1)
- 701 E 900 S Unit 25St George, UT 84790-5526Phone: (951) 795-0512
Registry dates
- Enumerated
- 2019-07-16
- Last updated
- 2021-04-20
- Certified
- 2021-04-20
Frequently asked questions
- What is Miriam Hernandez's NPI number?
- Miriam Hernandez's National Provider Identifier (NPI) is 1457903700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miriam Hernandez's specialty?
- Miriam Hernandez is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Miriam Hernandez located?
- Miriam Hernandez's practice location on file with NPPES is 150 Valpreda Rd, San Marcos, CA 92069-2973.
- What is Miriam Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Miriam Hernandez is (760) 736-6767.
- Does Miriam Hernandez accept Medicare?
- Miriam Hernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Miriam Hernandez's NPI active?
- Yes — Miriam Hernandez's NPI (1457903700) is active in the NPPES registry as of the last update on 2021-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.