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DR. ISAMIR SANTIAGO MENDEZ MD
NPI 1639101264
Family Medicine in Manati, PR

Active since July 06, 2006PECOS Enrolled
CARR. # 2 INTL 668, URB. ATENAS CALLE HERNANDEZ CARRION, MANATI, PR 00674(787) 621-3700(787) 621-3798 Get Directions Write a Review

NPPES record last updated: October 23, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Isamir Santiago Mendez Md NPPES

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

DR. ISAMIR SANTIAGO MENDEZ MD (NPI 1639101264) is an individual family medicine provider in Manati, Puerto Rico, licensed in Puerto Rico (15556) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639101264
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. ISAMIR SANTIAGO MENDEZCredential: MD
Location AddressCARR. # 2 INTL 668, URB. ATENAS CALLE HERNANDEZ CARRIONManati, PR 00674
Mailing AddressVista Azul Calle 11 K-18Arecibo, PR 00612-2522 · (787) 531-6255
Phone(787) 621-3700
Fax(787) 621-3798
Sole ProprietorYes
Enumeration DateJuly 6, 2006
Last NPPES UpdateOctober 23, 2012
✔ NPI 1639101264 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 · 15556
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.
CARR. # 2 INTL 668, Manati, PR 00674
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Isamir Santiago Mendez 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 Reassignments

2

Medicare enrollment records show Isamir Santiago Mendez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centro De Medicina Integral De Manati Inc
1,942 mi
Public Health, Federal
BO. COTTO #77 URBANIZACION FELIX CORDOVA DAVILA
Manati, PR 00674
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 10 clinicians in this Medicare group
NPI 1720174014 (787) 854-0824
Medicos Selectos Del Norte Inc
General Practice
CARR #2 KM 31 9 BARRIO BAJURA
Vega Alta, PR 00692
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 18 clinicians in this Medicare group
NPI 1932327665 (787) 883-0124

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 00674 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 Isamir Santiago Mendez's NPI number?

The NPI number for Isamir Santiago Mendez is 1639101264. It was assigned to this individual provider in the NPPES registry on July 6, 2006.

Where is Isamir Santiago Mendez located?

Isamir Santiago Mendez practices at Carr. # 2 Intl 668 Urb. Atenas Calle Hernandez Carrion, Manati, PR 00674. The listed phone number is (787) 621-3700.

What is Isamir Santiago Mendez's specialty?

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

Is Isamir Santiago Mendez enrolled in Medicare?

Yes. Isamir Santiago Mendez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Isamir Santiago Mendez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isamir Santiago Mendez reassigns Medicare benefits to 2 organizations: Centro De Medicina Integral De Manati Inc (Manati, PR) and Medicos Selectos Del Norte Inc (Vega Alta, PR). Each 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 Isamir Santiago Mendez'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 Isamir Santiago Mendez was last updated on October 23, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.