Louis Hernandez, MD
NPI 1780755603 · Gastroenterology Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Hernandez, MD is a Gastroenterology Physician provider in Anaheim, CA (NPI 1780755603).
Provider details
- NPI number
- 1780755603
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A64954 (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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 249 | 245 |
| Pantoprazole Sodium | 76 | 26 |
| Omeprazole | 76 | 36 |
| Entecavir | 57 | 18 |
| Mesalamine | 51 | 19 |
| Ursodiol | 46 | 15 |
| Dicyclomine Hcl | 38 | 18 |
| Promethazine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2021-11-22
Frequently asked questions
- What is Louis Hernandez's NPI number?
- Louis Hernandez's National Provider Identifier (NPI) is 1780755603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Hernandez's specialty?
- Louis Hernandez is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Hernandez located?
- Louis Hernandez's practice location on file with NPPES is 441 N Lakeview Ave, Anaheim, CA 92807-3028.
- What is Louis Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Louis Hernandez is (888) 988-2800.
- Does Louis Hernandez accept Medicare?
- Louis Hernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Hernandez's NPI active?
- Yes — Louis Hernandez's NPI (1780755603) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.