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DR. IVONNE M SANTIAGO FIOL M.D
NPI 1700917184
Internal Medicine in Caguas, PR

Active since March 08, 2007PECOS EnrolledAccepts Medicare Assignment
A7 CALLE SAN IGNACIO, SAN PEDRO ESTATES, CAGUAS, PR 00725(787) 747-6250 Get Directions Write a Review

NPPES record last updated: February 23, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ivonne M Santiago Fiol M.d NPPES

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

DR. IVONNE M SANTIAGO FIOL M.D (NPI 1700917184) is an individual internal medicine provider in Caguas, Puerto Rico, licensed in Puerto Rico (11994) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Auxilio Mutuo Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1700917184
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. IVONNE M SANTIAGO FIOLCredential: M.D
Location AddressA7 CALLE SAN IGNACIO, SAN PEDRO ESTATESCaguas, PR 00725-7600
Mailing AddressA7 Calle San Ignacio, San Pedro EstatesCaguas, PR 00725-7600 · (787) 747-6250
Phone(787) 747-6250
Sole ProprietorYes
Medical School CMSOtherGraduated 1988
Enumeration DateMarch 8, 2007
Last NPPES UpdateFebruary 23, 2011
✔ NPI 1700917184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PR · 11994
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
A7 CALLE SAN IGNACIO, Caguas, PR 00725
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Other Identifiers 2

Medicare ID-Type Unspecified0087927PR
Medicare UPING40979PR

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. Ivonne M Santiago Fiol M.d 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 ID4880875509
PECOS Enrollment IDI20110228000763
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 Ivonne Santiago Fiol reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centro Medico Del Turabo Inc
5.0 mi
Multi-Specialty
HIMA SAN PABLO CAGUAS, URB MARIOLGA #100 AVE LUIS MUNOZ MARIN
Caguas, PR 00725
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 428 clinicians in this Medicare group
NPI 1710107883 (787) 653-3434
Hope Med Psc
Internal Medicine
AVE PONCE DE LEON, HATO REY
San Juan, PR 00919
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 28 clinicians in this Medicare group
NPI 1265003198 (787) 785-2000

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 2

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
127 services111 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Auxilio Mutuo Hospital

Acute Care Hospitals · San Juan, PR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number400016
LocationPonce De Leon Avenue 735 Stop 37 1/2San Juan, PR 00918 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00725 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
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
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 Ivonne Santiago Fiol's NPI number?

The NPI number for Ivonne Santiago Fiol is 1700917184. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Where is Ivonne Santiago Fiol located?

Ivonne Santiago Fiol practices at A7 Calle San Ignacio San Pedro Estates, Caguas, PR 00725. The listed phone number is (787) 747-6250.

What is Ivonne Santiago Fiol's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ivonne Santiago Fiol enrolled in Medicare?

Yes. Ivonne Santiago Fiol 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 organizations bill Medicare for Ivonne Santiago Fiol's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ivonne Santiago Fiol reassigns Medicare benefits to 2 organizations: Centro Medico Del Turabo Inc (Caguas, PR) and Hope Med Psc (San Juan, 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 Ivonne Santiago Fiol's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ivonne Santiago Fiol affiliated with any hospitals?

According to CMS data, Ivonne Santiago Fiol is affiliated with Auxilio Mutuo Hospital.

When was this NPI record last updated?

The NPPES record for Ivonne Santiago Fiol was last updated on February 23, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.