RICHARD ALEXIS NIEVES SANTIAGO MD
NPI 1356967269
Internal Medicine - Nephrology in Chicago, IL

Q: What is Richard Nieves Santiago's NPI number?

The NPI number for Richard Nieves Santiago is 1356967269. It was assigned to this individual provider in the NPPES registry on June 17, 2020.

Q: What is Richard Nieves Santiago's specialty?

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

Active since June 17, 2020PECOS Enrolled

251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: July 2, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 2, 2025, Aug 10, 2022, Apr 11, 2022 and 1 more (4 updates tracked since 2020).

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About Richard Alexis Nieves Santiago Md NPPES

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

RICHARD ALEXIS NIEVES SANTIAGO MD (NPI 1356967269) is an individual nephrology provider in Chicago, Illinois, licensed in Illinois (036172076) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356967269

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameRICHARD ALEXIS NIEVES SANTIAGOCredential: MD

Location Address251 E HURON STChicago, IL 60611-2908

Mailing Address251 E Huron StChicago, IL 60611-2908 · (312) 926-2000

Phone(312) 926-2000

Sole ProprietorYes

Enumeration DateJune 17, 2020

Last NPPES UpdateJuly 2, 20254 updates tracked since enumeration

NPPES CertifiedJuly 2, 2025

✔ NPI 1356967269 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 IL · 036172076

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.

251 E HURON ST, Chicago, IL 60611

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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 (PECOS)

Richard Alexis Nieves Santiago 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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.

MARK WANG M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611

Cook County (312) 503-8144

DR. MARLEY ANN DOYLE M/D.

Psychiatry & Neurology (Psychiatry)

251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611

Cook County (312) 926-6895

CASSIDY SCHWAB MD

Anesthesiology