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DR. CRISTINA SANTIAGO RAMIREZ MD
NPI 1154421568
General Practice in Sabana Grande, PR

Active since September 25, 2006PECOS EnrolledAccepts Medicare Assignment
CARR 363 BO SANTANA MAQUINA KM 6 URB LAS MERCEDES NUM 9, SABANA GRANDE, PR 00637(787) 804-1903 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Cristina Santiago Ramirez Md NPPES

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

DR. CRISTINA SANTIAGO RAMIREZ MD (NPI 1154421568) is an individual general practice provider in Sabana Grande, Puerto Rico, licensed in Puerto Rico (16625) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1154421568
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameDR. CRISTINA SANTIAGO RAMIREZCredential: MD
Location AddressCARR 363 BO SANTANA MAQUINA KM 6 URB LAS MERCEDES NUM 9Sabana Grande, PR 00637
Mailing AddressPo Box 424Sabana Grande, PR 00637 · (787) 804-1903
Phone(787) 804-1903
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateSeptember 25, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1154421568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in PR · 16625
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Other Identifiers 1

Other16625PR · Professional License

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. Cristina Santiago Ramirez 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.

PECOS PAC ID3870591399
PECOS Enrollment IDI20061121000016
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 Cristina Santiago Ramirez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Migrant Health Center Western Region, Inc.
Federally Qualified Health Center (FQHC)
180 RES CANDELARIA # 186
Mayaguez, PR 00682
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 129 clinicians in this Medicare group
NPI 1104544378 (787) 908-1342

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 Cristina Santiago Ramirez's NPI number?

The NPI number for Cristina Santiago Ramirez is 1154421568. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Where is Cristina Santiago Ramirez located?

Cristina Santiago Ramirez practices at Carr 363 Bo Santana Maquina Km 6 Urb Las Mercedes Num 9, Sabana Grande, PR 00637. The listed phone number is (787) 804-1903.

What is Cristina Santiago Ramirez's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Cristina Santiago Ramirez enrolled in Medicare?

Yes. Cristina Santiago Ramirez 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 Cristina Santiago Ramirez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cristina Santiago Ramirez reassigns Medicare benefits to Migrant Health Center Western Region, Inc. (Mayaguez, 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 Cristina Santiago Ramirez'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 Cristina Santiago Ramirez was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.