NPPES file of Aug 9, 2026

Michael David Santilli, DO

Family Medicine Physician · Countryside, IL

Michael David Santilli, DO is a family medicine physician with a practice address in Countryside, Illinois, and NPI 1497768865, issued on Aug 15, 2006. Check the license (Illinois 36103975, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497768865
Name
Michael David Santilli
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
36103975 IL
Self-reported in NPPES; status is on the state search
Practice location
7345 Prescott LN, Countryside, IL 60525
Phone
(708) 354-9405
Enumerated
Aug 15, 2006
Record last updated
Jul 1, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(708) 354-9140
Medicare enrollment
Enrolled (PECOS I20100317000581); may accept Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Michael David Santilli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 36103975
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

21% more Medicare Part D claims than the average family medicine physician in 2024

4,302 Medicare Part D claims for 277 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 103 claims were for opioids.

  1. Michael Santilli4,302
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium284 claims
  2. Lisinopril183 claims
  3. Levothyroxine Sodium170 claims
  4. Amlodipine Besylate151 claims
  5. Pantoprazole Sodium114 claims
  6. Pioglitazone Hcl100 claims

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.

The MIPS final score for 2023 (Medicare payment program): 13.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%43.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Michael David Santilli among 6,215 family medicine physician records in Illinois

Michael David Santilli, DO is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1988 · median 2006 among the 3,714 with a school on file
  • Record last updated2008 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 family medicine physician records list a practice address in Countryside

They are 4 of the 223 NPPES records with a practice address in Countryside, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Guy Agostino, M.D.La Grange, IL 605251992769822
  2. Vince Bartolomeo, MDLa Grange, IL 605251275558629
  3. Christopher Brenner, MDCountryside, IL 605251629020102
  4. Daniel Chen, DOLa Grange Highlands, IL 605251356355812
  5. Michael Dupont, MDLa Grange Highlands, IL 605251508817750
  6. William Gros, M.D.La Grange, IL 605251316902919
  7. Daniel Hunter Smith, MDLa Grange, IL 605251619925963
  8. Leo Koenig, MDLa Grange, IL 605251013967322

Common questions

What is Michael David Santilli, DO's NPI number?

Michael David Santilli, DO's National Provider Identifier (NPI) is 1497768865, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael David Santilli, DO located?

The NPPES record lists a practice address at 7345 Prescott LN, Countryside, IL, 60525. Phone: (708) 354-9405. Providers update this record themselves, so call before visiting.

How can I verify Michael David Santilli, DO's license?

NPPES lists Illinois license number 36103975, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael David Santilli, DO prescribe under Medicare Part D?

In 2024, Michael David Santilli, DO had 4,302 Medicare Part D claims for 277 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Michael David Santilli, DO's MIPS final score?

The 2023 MIPS final score is 13.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.