Harold Serrano, M.D.
NPI 1710181458 · Emergency Medicine Physician · Carolina, PR
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Serrano, M.D. is a Emergency Medicine Physician provider in Carolina, PR (NPI 1710181458).
Provider details
- NPI number
- 1710181458
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 17159 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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.
Mailing address
Registry dates
- Enumerated
- 2007-06-14
- Last updated
- 2023-02-08
- Certified
- 2022-12-08
Frequently asked questions
- What is Harold Serrano's NPI number?
- Harold Serrano's National Provider Identifier (NPI) is 1710181458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Serrano's specialty?
- Harold Serrano is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Serrano located?
- Harold Serrano's practice location on file with NPPES is Ave. 65 De Infanteria, Carolina, PR 00984.
- What is Harold Serrano's phone number?
- The practice phone number listed in the NPPES registry for Harold Serrano is (787) 757-1800.
- Does Harold Serrano accept Medicare?
- Harold Serrano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Serrano's NPI active?
- Yes — Harold Serrano's NPI (1710181458) is active in the NPPES registry as of the last update on 2023-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.