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DR. WILLIAM O HURTADO-SANTIAGO MD
NPI 1912022310
Internal Medicine - Nephrology in Mayaguez, PR

Active since March 21, 2007PECOS EnrolledAccepts Medicare Assignment
359 AVE HOSTOS STE 201, MAYAGUEZ, PR 00680(939) 475-3432(787) 806-2239 Get Directions Write a Review

NPPES record last updated: March 12, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 12, 2019, Jun 12, 2018 (2 updates tracked since 2018).

About Dr. William O Hurtado-santiago Md NPPES

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

DR. WILLIAM O HURTADO-SANTIAGO MD (NPI 1912022310) is an individual nephrology provider in Mayaguez, Puerto Rico, licensed in Puerto Rico (16554) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Hospital De La Concepcion, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1912022310
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. WILLIAM O HURTADO-SANTIAGOCredential: MD
Location Address359 AVE HOSTOS STE 201Mayaguez, PR 00680-1507
Mailing Address357 Ave Hostos Ste 203Mayaguez, PR 00680-1535 · (787) 677-7885 · Fax (787) 806-2200
Phone(939) 475-3432
Fax(787) 806-2239
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateMarch 21, 2007
Last NPPES UpdateMarch 12, 20192 updates tracked since enumeration
✔ NPI 1912022310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in PR · 16554
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

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. William O Hurtado-santiago 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 ID3779625017
PECOS Enrollment IDI20100208000587
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 William Hurtado-santiago reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Renal Care Institute
Multi-Specialty
349 AV HOSTOS MEDICAL EMPORIUM II SUITE A-3
Mayaguez, PR 00680
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 2 clinicians in this Medicare group
NPI 1982830956 (787) 834-2785
Pr Renal Health And Research Inc.
Multi-Specialty
600 DR HERNAN CORTES, SUITE 201 A LA ORDEN SHOPPING CENTER
Levittown, PR 00949
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 4 clinicians in this Medicare group
NPI 1083923114 (787) 710-2531

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
79 services20 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services17 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
16 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Hospital De La Concepcion

Acute Care Hospitals · San German, PR
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number400021
LocationRoad Number 2 Km 173.4 Cain AltoSan German, PR 00683 · San German County
Emergency services

Mayaguez Medical Center Dr Ramon Emeterio Betances

Acute Care Hospitals · Mayaguez, PR
OwnershipProprietary
CMS Certification Number400103
LocationCarr 2 Bo SabalosMayaguez, PR 00682 · Mayaguez County
Emergency services

Hospital Perea

Acute Care Hospitals · Mayaguez, PR
OwnershipProprietary
CMS Certification Number400123
Location15 Dr Basora StreetMayaguez, PR 00681 · Mayaguez County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00680 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Prevention of Central Venous Catheter (CVC) - Related Bloodstream Infections
Percentage of patients, regardless of age, who undergo central venous catheter (CVC) insertion for whom CVC was inserted with all elements of maximal sterile barrier technique, hand hygiene, skin preparation and, if ultrasound is used, sterile ultrasound…
100%55 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TANIA A TORRES VIADA M.D.
Internal Medicine
359 AVE HOSTOS STE 201
MAYAGUEZ, PR 00680
Mayagüez Municipio (787) 710-2532

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 William Hurtado-santiago's NPI number?

The NPI number for William Hurtado-santiago is 1912022310. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Where is William Hurtado-santiago located?

William Hurtado-santiago practices at 359 Ave Hostos Ste 201, Mayaguez, PR 00680. The listed phone number is (939) 475-3432.

What is William Hurtado-santiago's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is William Hurtado-santiago enrolled in Medicare?

Yes. William Hurtado-santiago 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 William Hurtado-santiago's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Hurtado-santiago reassigns Medicare benefits to 2 organizations: Advanced Renal Care Institute (Mayaguez, PR) and Pr Renal Health And Research Inc. (Levittown, 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 William Hurtado-santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Hurtado-santiago affiliated with any hospitals?

According to CMS data, William Hurtado-santiago is affiliated with Hospital De La Concepcion, Mayaguez Medical Center Dr Ramon Emeterio Betances and Hospital Perea.

When was this NPI record last updated?

The NPPES record for William Hurtado-santiago was last updated on March 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.