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DR. HASSAN ISSA MAHMUD MD
NPI 1679218069
Family Medicine in Carolina, PR

Active since May 01, 2022PECOS Enrolled
KM 8.3 , CALLE 3 AVENIDA 65 DE INFANTERIA, CAROLINA, PR 00984(787) 757-1800 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 19, 2024, Apr 30, 2024 (2 updates tracked since 2024).

About Dr. Hassan Issa Mahmud Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HASSAN ISSA MAHMUD MD (NPI 1679218069) is an individual family medicine provider in Carolina, Puerto Rico, licensed in Puerto Rico (23859) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1679218069
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. HASSAN ISSA MAHMUDCredential: MD
Location AddressKM 8.3 , CALLE 3 AVENIDA 65 DE INFANTERIACarolina, PR 00984
Mailing Address60 Calle Marcos LopezVega Baja, PR 00693-5022 · (787) 677-0032
Phone(787) 757-1800
Sole ProprietorNo
Enumeration DateMay 1, 2022
Last NPPES UpdateApril 29, 20252 updates tracked since enumeration
NPPES CertifiedApril 29, 2025
✔ NPI 1679218069 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in PR · 23859
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Secondary Practice Locations 2

Location 1Carr 188Loiza, PR 00772-1850 · Phone (787) 876-7420 ext. 248
Location 2Urb. Lago Alto Calle Carite #130Trujillo Alto, PR 00976 · Phone (787) 737-2311

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hassan Issa Mahmud Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Hassan Issa Mahmud reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Concilio De Salud Integral De Loiza, Inc.
Federally Qualified Health Center (FQHC)
CARRETERA #187 INT.#188 LOIZA, PR, 00772, BOX 509, LOIZA STATION
Loiza, PR 00772
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 43 clinicians in this Medicare group
NPI 1558664102 (787) 876-2042

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00984 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.07 typical visit price
range $56.86 – $172.44
Typical copayment $22.01 (range $14.21 – $43.11)
Most-billed visit code 99203
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Hassan Issa Mahmud's NPI number?

The NPI number for Hassan Issa Mahmud is 1679218069. It was assigned to this individual provider in the NPPES registry on May 1, 2022.

Where is Hassan Issa Mahmud located?

Hassan Issa Mahmud practices at Km 8.3 , Calle 3 Avenida 65 De Infanteria, Carolina, PR 00984. The listed phone number is (787) 757-1800.

What is Hassan Issa Mahmud's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Hassan Issa Mahmud enrolled in Medicare?

Yes. Hassan Issa Mahmud is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hassan Issa Mahmud's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hassan Issa Mahmud reassigns Medicare benefits to Concilio De Salud Integral De Loiza, Inc. (Loiza, 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 Hassan Issa Mahmud'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 Hassan Issa Mahmud was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.