Monserrat Alejandra Santillano, M.D.
Student in an Organized Health Care Education/Training Program · Oak Lawn, IL
Monserrat Alejandra Santillano, M.D. is a student in an organized health care education/training program with a practice address in Oak Lawn, Illinois, and NPI 1831533314, issued on Apr 26, 2013. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Monserrat Alejandra Santillano
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 4440 W 95TH St, Oak Lawn, IL 60453
- Phone
- (510) 962-2447
- Enumerated
- Apr 26, 2013
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180319001157); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 6,526 in Illinois → Look up another NPI →
Also registered at 4440 W 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine Absalon, MOT, OTR/LOccupational Therapist1457753436
- Tassneem Abu-Rezeq, DNP, APRN, CPNP-ACPediatric Nurse Practitioner1831904663
Verify Monserrat Alejandra Santillano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
11 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Monserrat Alejandra Santillano among 6,526 student in an organized health care education/training program records in Illinois
Monserrat Alejandra Santillano, M.D. is one of 6,526 student in an organized health care education/training program records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 4% of them.
- NPI issued2013 · 4% of these records are older, 96% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 3% of these records are
- Graduated2013 · median 2018 among the 190 with a school on file
- Record last updated2021 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 student in an organized health care education/training program records list a practice address in Oak Lawn
They are 56 of the 2,993 NPPES records with a practice address in Oak Lawn, and 6,526 student in an organized health care education/training program records in Illinois.
All 6,526 in Illinois → Every provider in Oak Lawn → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Rachel Alexander, DOOak Lawn, IL 604531730839341
- Aekarach AriyachaipanichOak Lawn, IL 604531194925651
- Imtinan Barnawi, MDOak Lawn, IL 604531740881127
- Payton Carroll, MAOak Lawn, IL 604531447726823
- Tejaswi DittakaviOak Lawn, IL 604531124580162
- Hesamoddin Keshmiri, D.OOak Lawn, IL 604531619224375
- Jisoon Kim, M.D.Oak Lawn, IL 604531598024937
- Brian Kretschmer, ATCOak Lawn, IL 604531457320467
Common questions
What is Monserrat Alejandra Santillano, M.D.'s NPI number?
Monserrat Alejandra Santillano, M.D.'s National Provider Identifier (NPI) is 1831533314, issued on Apr 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Monserrat Alejandra Santillano, M.D. located?
The NPPES record lists a practice address at 4440 W 95TH St, Oak Lawn, IL, 60453. Phone: (510) 962-2447. Providers update this record themselves, so call before visiting.
How can I verify Monserrat Alejandra Santillano, M.D.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Monserrat Alejandra Santillano, M.D. prescribe under Medicare Part D?
In 2024, Monserrat Alejandra Santillano, M.D. had 11 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.