Francis Nepacena, MD
NPI 1457425068 · Internal Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Francis Nepacena, MD is a Internal Medicine Physician provider in Walnut Creek, CA (NPI 1457425068).
Provider details
- NPI number
- 1457425068
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A87792 (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 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 804 | 260 |
| Losartan Potassium | 383 | 136 |
| Amlodipine Besylate | 375 | 129 |
| Lisinopril | 305 | 99 |
| Atenolol | 276 | 89 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 243 | 43 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-17
- Last updated
- 2021-12-13
Frequently asked questions
- What is Francis Nepacena's NPI number?
- Francis Nepacena's National Provider Identifier (NPI) is 1457425068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francis Nepacena's specialty?
- Francis Nepacena is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Francis Nepacena located?
- Francis Nepacena's practice location on file with NPPES is 320 Lennon Ln, Walnut Creek, CA 94598-2419.
- What is Francis Nepacena's phone number?
- The practice phone number listed in the NPPES registry for Francis Nepacena is (925) 906-2000.
- Does Francis Nepacena accept Medicare?
- Francis Nepacena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Francis Nepacena's NPI active?
- Yes — Francis Nepacena's NPI (1457425068) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.