ISSA MAHMUD MD
NPI 1972625580
General Practice in Vega Baja, PR
About Issa Mahmud Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISSA MAHMUD MD (NPI 1972625580) is an individual general practice provider in Vega Baja, Puerto Rico, licensed in Puerto Rico (15573) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Centro Medico Wilma N Vazquez, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Issa Mahmud 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 Issa Mahmud reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vega Baja, PR 00693
- Reassigned Medicare billing, Puerto Rico enrollment
- 53 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Centro Medico Wilma N Vazquez
Acute Care Hospitals · Vega Baja, PROther Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VEGA BAJA, PR 00693
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 Issa Mahmud's NPI number?
The NPI number for Issa Mahmud is 1972625580. It was assigned to this individual provider in the NPPES registry on April 4, 2007.
Where is Issa Mahmud located?
Issa Mahmud practices at Hospital Wilma N Vazquez Carr #2 Km 39.5, Vega Baja, PR 00693. The listed phone number is (787) 858-1580.
What is Issa Mahmud's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Issa Mahmud enrolled in Medicare?
Yes. Issa Mahmud 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 Issa Mahmud's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Issa Mahmud reassigns Medicare benefits to Instituto Medico Del Norte Inc (Vega Baja, 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 Issa Mahmud's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Issa Mahmud affiliated with any hospitals?
According to CMS data, Issa Mahmud is affiliated with Centro Medico Wilma N Vazquez.
When was this NPI record last updated?
The NPPES record for Issa Mahmud was last updated on May 1, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Issa Mahmud, MD · NPI 1972625580
General Practice physician in Vega Baja, Puerto Rico. Individual provider, active in the CMS NPPES registry since April 4, 2007.
## Identity
- **NPI:** 1972625580 (Entity type: Individual)
- **Enumerated:** April 4, 2007
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 15573 (Puerto Rico)
- **Sole proprietor:** Yes
## Practice location
- **Address:** HOSPITAL WILMA N VAZQUEZ, CARR #2 KM 39.5, Vega Baja, PR 00693-7001
- **Phone:** (787) 858-1580 · **Fax:** (787) 807-2930
## 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:** Instituto Medico Del Norte Inc (NPI 1154309169, Vega Baja, PR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** May 1, 2014
- **Other identifiers:** Medicare OSCAR/certification HD190A (PR)
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Source: [NPI Profile](https://npiprofile.com/npi/1972625580) · Data from the CMS NPPES public registry.