Marcos Lopez Fontanez, DC
NPI 1346072360 · Chiropractor · San Juan, PR
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcos Lopez Fontanez, DC is a Chiropractor provider in San Juan, PR (NPI 1346072360).
Provider details
- NPI number
- 1346072360
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- No
- License
- 823 (PR)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-08-19
- Last updated
- 2025-03-31
- Certified
- 2025-03-31
Frequently asked questions
- What is Marcos Lopez Fontanez's NPI number?
- Marcos Lopez Fontanez's National Provider Identifier (NPI) is 1346072360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Lopez Fontanez's specialty?
- Marcos Lopez Fontanez is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Marcos Lopez Fontanez located?
- Marcos Lopez Fontanez's practice location on file with NPPES is 521 Calle Barranquitas, San Juan, PR 00923-3328.
- What is Marcos Lopez Fontanez's phone number?
- The practice phone number listed in the NPPES registry for Marcos Lopez Fontanez is (787) 616-7630.
- Does Marcos Lopez Fontanez accept Medicare?
- Marcos Lopez Fontanez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcos Lopez Fontanez's NPI active?
- Yes — Marcos Lopez Fontanez's NPI (1346072360) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.