Rafael Herrera
NPI 1720399843 · Physician Assistant · Santa Ana, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rafael Herrera is a Physician Assistant provider in Santa Ana, CA (NPI 1720399843).
Provider details
- NPI number
- 1720399843
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA19314 (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 tenure38% of score
16 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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 73 | 25 |
| Atorvastatin Calcium | 71 | 25 |
| Amlodipine Besylate | 60 | 19 |
| Benazepril Hcl | 51 | 14 |
| Losartan Potassium | 35 | 12 |
| Levothyroxine Sodium | 31 | — |
| Fluticasone Propionate | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-23
- Last updated
- 2010-06-23
Frequently asked questions
- What is Rafael Herrera's NPI number?
- Rafael Herrera's National Provider Identifier (NPI) is 1720399843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rafael Herrera's specialty?
- Rafael Herrera is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rafael Herrera located?
- Rafael Herrera's practice location on file with NPPES is 1617 E 1st St, Santa Ana, CA 92701-6385.
- What is Rafael Herrera's phone number?
- The practice phone number listed in the NPPES registry for Rafael Herrera is (714) 246-0000.
- Does Rafael Herrera accept Medicare?
- Rafael Herrera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rafael Herrera's NPI active?
- Yes — Rafael Herrera's NPI (1720399843) is active in the NPPES registry as of the last update on 2010-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.