Heralio Serrano, MD
NPI 1013065754 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heralio Serrano, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1013065754).
Provider details
- NPI number
- 1013065754
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G72733 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Heralio Serrano's NPI number?
- Heralio Serrano's National Provider Identifier (NPI) is 1013065754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heralio Serrano's specialty?
- Heralio Serrano is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heralio Serrano located?
- Heralio Serrano's practice location on file with NPPES is 3850 17th St, San Francisco, CA 94114-2031.
- What is Heralio Serrano's phone number?
- The practice phone number listed in the NPPES registry for Heralio Serrano is (415) 487-7500.
- Does Heralio Serrano accept Medicare?
- Heralio Serrano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heralio Serrano's NPI active?
- Yes — Heralio Serrano's NPI (1013065754) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.