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MONSERRAT ALEJANDRA SANTILLANO M.D.
NPI 1831533314
Student in an Organized Health Care Education/Training Program in Oak Lawn, IL

Active since April 26, 2013PECOS EnrolledAccepts Medicare Assignment
4440 W 95TH ST, OAK LAWN, IL 60453(510) 962-2447 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Monserrat Alejandra Santillano M.d. NPPES

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

MONSERRAT ALEJANDRA SANTILLANO M.D. (NPI 1831533314) is an individual student in an organized health care education/training program in Oak Lawn, Illinois and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2013).

NPPES Registry Identity

NPI1831533314
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMONSERRAT ALEJANDRA SANTILLANOCredential: M.D.
Location Address4440 W 95TH STOak Lawn, IL 60453-2600
Mailing Address1 Lafayette Plaisance St, Apt 2002Detroit, MI 48207-2814 · (510) 962-2447
Phone(510) 962-2447
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2013
Enumeration DateApril 26, 2013
Last NPPES UpdateDecember 17, 2021
✔ NPI 1831533314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
4440 W 95TH ST, Oak Lawn, IL 60453
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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

Monserrat Alejandra Santillano 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 ID3274843651
PECOS Enrollment IDI20180319001157
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 Monserrat Santillano reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
1,791 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DR. MARK ADRIAN FAASSE MD
Urology
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-4557
DR. MANDY LUMA ENSHIWAT M.D.
Internal Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-8000
DR. KIM MARIE MIILLER MA, PSYD
Psychologist (Clinical)
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-7482
JENNIFER MARSIGLIO
Occupational Therapist (Physical Rehabilitation)
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5425
TRACI LYNN TAGUE MA, CCC-SLP
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-1989
ELIZABETH A FOLLIARD OTR/L
Occupational Therapist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5369
MICHAEL CIRONE M.D.
Emergency Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5375
ANNA MANILLA
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (248) 701-7523

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 Monserrat Santillano's NPI number?

The NPI number for Monserrat Santillano is 1831533314. It was assigned to this individual provider in the NPPES registry on April 26, 2013.

Where is Monserrat Santillano located?

Monserrat Santillano practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (510) 962-2447.

What is Monserrat Santillano's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Monserrat Santillano enrolled in Medicare?

Yes. Monserrat Santillano 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 Monserrat Santillano's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Monserrat Santillano reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Monserrat Santillano'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 Monserrat Santillano was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.