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MILLIETTE ALVARADO-SANTIAGO M.D.
NPI 1821306127
Internal Medicine - Endocrinology, Diabetes & Metabolism in Rio Piedras, PR

Active since September 21, 2010PECOS EnrolledAccepts Medicare Assignment
CLINICA DE LA ESCUELA DE MEDICINA, REPARTO METROPOLITANO SHOPPING AVE AMERICO MIRANDA, RIO PIEDRAS, PR 00921(787) 758-7908(787) 625-1966 Get Directions Write a Review

NPPES record last updated: August 6, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Milliette Alvarado-santiago M.d. NPPES

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

MILLIETTE ALVARADO-SANTIAGO M.D. (NPI 1821306127) is an individual endocrinology, diabetes & metabolism provider in Rio Piedras, Puerto Rico, licensed in Puerto Rico (20554) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS, is affiliated with Hospital Upr, Dr Federico Trilla, and is a graduate of University Of Puerto Rico School Of Medicine (2010).

NPPES Registry Identity

NPI1821306127
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMILLIETTE ALVARADO-SANTIAGOCredential: M.D.
Location AddressCLINICA DE LA ESCUELA DE MEDICINA, REPARTO METROPOLITANO SHOPPING AVE AMERICO MIRANDARio Piedras, PR 00921
Mailing AddressPo Box 29134, Endocrinologia RcmSan Juan, PR 00929-0134 · (787) 754-0101 · Fax (787) 765-9183
Phone(787) 758-7908
Fax(787) 625-1966
Sole ProprietorYes
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 2010
Enumeration DateSeptember 21, 2010
Last NPPES UpdateAugust 6, 2015
✔ NPI 1821306127 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in PR · 20554
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
CLINICA DE LA ESCUELA DE MEDICINA, Rio Piedras, PR 00921
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Milliette Alvarado-santiago 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 ID5890074926
PECOS Enrollment IDI20161114001484
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.

Hospital Affiliations CMS Care Compare

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

Hospital Upr, Dr Federico Trilla

Acute Care Hospitals · Carolina, PR
OwnershipVoluntary non-profit - Private
CMS Certification Number400112
LocationCarr 3 Km 8 3 Ave 65th InfanteriaCarolina, PR 00984 · Carolina County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00921 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.

Other Providers at the Same Location NPPES 20

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

RECINTO DE CIENCIAS MEDICAS
Clinic/Center (Ambulatory Surgical)
CLINICA DE LA ESCUELA DE MEDICINA, SHOPPING REPARTO METROPOLITANO, AVE. AMERICO MIRANDA
RIO PIEDRAS, PR 00921
San Juan Municipio (787) 758-7910
DR. BRENDA L. DELIZ M.D.
Psychiatry & Neurology (Neurology)
CLINICA DE LA ESCUELA DE MEDICINA, REPARTO METROPOLITANO SHOPPING AVE. AMERICO MIRANDA
RIO PIEDRAS, PR 00921
San Juan Municipio (787) 754-0101
DR. ENID RIVERA - JIMENEZ MD
Pediatrics (Pediatric Hematology-Oncology)
CLINICA DE LA ESCUELA DE MEDICINA, REPARTO METROPOLITANO SHOPPING, AVE. AMERICO MIRANDA
RIO PIEDRAS, PR 00921
San Juan Municipio (787) 758-7910
DR. MARINO BLASINI RIVERA M.D.
Surgery
CLINICA DE LA ESCUELA DE MEDICINA, REPARTO METROPOLITANO SHOPPING, AVE. AMERICO MIRANDA
RIO PIEDRAS, PR 00921
San Juan Municipio (787) 758-7910
DR. ADELAIDA T. ORTIZ - GOMEZ MD
Internal Medicine
CLINICA DE LA ESCUELA DE MEDICINA, SHOPPING REPARTO, AVE. AMERICO MIRANDA
RIO PIEDRAS, PR 00921
San Juan Municipio (787) 758-7910
DR. RAFAEL A GONZALEZ-ROSARIO M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
CLINICA DE LA ESCUELA DE MEDICINA, REPARTO METROPOLITANO SHOPPING, AVE. AMERICO MIRANDA
RIO PIEDRAS, PR 00921
San Juan Municipio (787) 758-7910
VILMA T. MCCARTHY M.D.
Psychiatry & Neurology (Geriatric Psychiatry)
CLINICA DE LA ESCUELA DE MEDICINA, REPARTO METROPOLITANO SHOPPING, AVE. AMERICO MIRANDA
SAN JUAN, PR 00921
San Juan Municipio (787) 766-0940
DR. CALEB E. FELICIANO - VALLS MD
Neurological Surgery
CLINICA DE LA ESCUELA DE MEDICINA, REPARTO METROPOLITANO SHOPPING , AVE. AMERICO MIRANDA
RIO PIEDRAS, PR 00921
San Juan Municipio (787) 474-2947

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 Milliette Alvarado-santiago's NPI number?

The NPI number for Milliette Alvarado-santiago is 1821306127. It was assigned to this individual provider in the NPPES registry on September 21, 2010.

Where is Milliette Alvarado-santiago located?

Milliette Alvarado-santiago practices at Clinica De La Escuela De Medicina Reparto Metropolitano Shopping Ave Americo Miranda, Rio Piedras, PR 00921. The listed phone number is (787) 758-7908.

What is Milliette Alvarado-santiago's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Milliette Alvarado-santiago enrolled in Medicare?

Yes. Milliette Alvarado-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.

Is Milliette Alvarado-santiago affiliated with any hospitals?

According to CMS data, Milliette Alvarado-santiago is affiliated with Hospital Upr, Dr Federico Trilla.

When was this NPI record last updated?

The NPPES record for Milliette Alvarado-santiago was last updated on August 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.