DR. MARCOS OMAR LOPEZ FONTANEZ DC
NPI 1346072360
Chiropractor in San Juan, PR
About Dr. Marcos Omar Lopez Fontanez Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARCOS OMAR LOPEZ FONTANEZ DC (NPI 1346072360) is an individual chiropractor in San Juan, Puerto Rico, licensed in Puerto Rico (823) and active in the NPI registry since August 2024.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Marcos Omar Lopez Fontanez Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marcos Lopez Fontanez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Juan, PR 00923
- Reassigned Medicare billing, Puerto Rico enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marcos Lopez Fontanez's NPI number?
The NPI number for Marcos Lopez Fontanez is 1346072360. It was assigned to this individual provider in the NPPES registry on August 19, 2024.
Where is Marcos Lopez Fontanez located?
Marcos Lopez Fontanez practices at 521 Calle Barranquitas, San Juan, PR 00923. The listed phone number is (787) 616-7630.
What is Marcos Lopez Fontanez's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Marcos Lopez Fontanez enrolled in Medicare?
Yes. Marcos Lopez Fontanez is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marcos Lopez Fontanez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcos Lopez Fontanez reassigns Medicare benefits to San Juan Wellness Clinic LLC (San Juan, PR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marcos Lopez Fontanez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marcos Lopez Fontanez was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Marcos Omar Lopez Fontanez, DC · NPI 1346072360
Chiropractor provider in San Juan, Puerto Rico. Individual provider, active in the CMS NPPES registry since August 19, 2024.
## Identity
- **NPI:** 1346072360 (Entity type: Individual)
- **Enumerated:** August 19, 2024
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 823 (Puerto Rico)
- **Sole proprietor:** No
## Practice location
- **Address:** 521 CALLE BARRANQUITAS, San Juan, PR 00923-3328
- **Phone:** (787) 616-7630
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** San Juan Wellness Clinic LLC (NPI 1235933664, San Juan, PR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 31, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1346072360) · Data from the CMS NPPES public registry.