DR. FERNANDO L MARTINEZ-COLON MD
NPI 1891945713
Colon & Rectal Surgery in San Juan, PR
About Dr. Fernando L Martinez-colon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FERNANDO L MARTINEZ-COLON MD (NPI 1891945713) is an individual colon & rectal surgery provider in San Juan, Puerto Rico, licensed in Puerto Rico (18038) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Hospital Oncologico Dr Isaac Gonzalez Martinez, and maintains a secondary practice location in San Juan.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Fernando L Martinez-colon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Fernando Martinez-colon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Juan, PR 00936
- Reassigned Medicare billing, Puerto Rico enrollment
- Also billed through NPI 1538935051 (Puerto Rico)
- 25 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hospital Oncologico Dr Isaac Gonzalez Martinez
Acute Care Hospitals · San Juan, PRHospital Universitario De Adulto
Acute Care Hospitals · Rio Piedras, PRPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 00917 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Fernando Martinez-colon's NPI number?
The NPI number for Fernando Martinez-colon is 1891945713. It was assigned to this individual provider in the NPPES registry on September 27, 2008.
Where is Fernando Martinez-colon located?
Fernando Martinez-colon practices at 435 Ave. Ponce De Leon Consultorio Medico 3er Piso, San Juan, PR 00917. The listed phone number is (787) 641-2323.
What is Fernando Martinez-colon's specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is Fernando Martinez-colon enrolled in Medicare?
Yes. Fernando Martinez-colon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Fernando Martinez-colon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fernando Martinez-colon reassigns Medicare benefits to Recinto De Ciencias Medicas (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 Fernando Martinez-colon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Fernando Martinez-colon affiliated with any hospitals?
According to CMS data, Fernando Martinez-colon is affiliated with Hospital Oncologico Dr Isaac Gonzalez Martinez and Hospital Universitario De Adulto.
When was this NPI record last updated?
The NPPES record for Fernando Martinez-colon was last updated on March 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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. Fernando L Martinez-Colon, MD · NPI 1891945713
Colon & Rectal Surgery physician in San Juan, Puerto Rico. Individual provider, active in the CMS NPPES registry since September 27, 2008.
## Identity
- **NPI:** 1891945713 (Entity type: Individual)
- **Enumerated:** September 27, 2008
- **Primary specialty:** Colon & Rectal Surgery · taxonomy 208C00000X
- **State license:** 18038 (Puerto Rico)
- **Sole proprietor:** No
## Practice location
- **Address:** 435 AVE. PONCE DE LEON, CONSULTORIO MEDICO 3ER PISO, San Juan, PR 00917
- **Phone:** (787) 641-2323
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Recinto De Ciencias Medicas (NPI 1992737217, San Juan, PR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Puerto Rico School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** March 22, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1891945713) · Data from the CMS NPPES public registry.