Colleen M. Weiler, D.O.
Family Medicine Physician · Oak Park, IL
Colleen M. Weiler, D.O. is a family medicine physician with a practice address in Oak Park, Illinois, and NPI 1619134996, issued on May 22, 2008. Check the license (Illinois 036125866, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Colleen M. Weiler
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036125866 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Lake St Ste 230, Oak Park, IL 60301
- Phone
- (331) 221-9001
- Enumerated
- May 22, 2008
- Record last updated
- May 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (331) 221-2759
- Medicare enrollment
- Enrolled (PECOS I20101022001316); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1100 Lake St Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine Lynch, MDFamily Medicine Physician1821038720
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- Forrest Robinson, DOFamily Medicine Physician1740283803
Verify Colleen M. Weiler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036125866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average family medicine physician in 2024
2,431 Medicare Part D claims for 274 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 133 claims were for opioids.
Most prescribed
- Atorvastatin Calcium204 claims
- Amlodipine Besylate114 claims
- Lisinopril97 claims
- Hydrochlorothiazide94 claims
- Levothyroxine Sodium79 claims
- Losartan Potassium78 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): 91.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Dynamic Physical Therapy, Inc.Oak Park, IL
- Endeavor Health Medical GroupElmhurst, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen M. Weiler among 6,215 family medicine physician records in Illinois
Colleen M. Weiler, D.O. 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2006 among the 3,714 with a school on file
- Record last updated2021 · 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).
86 family medicine physician records list a practice address in Oak Park
They are 86 of the 2,307 NPPES records with a practice address in Oak Park, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Oak Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Hung Duong, MDOak Park, IL 603011245257781
- Peter Grant, M.D.Oak Park, IL 603011306853858
- Nancy Gryniewicz, M.D.Oak Park, IL 603011558368043
- Stephen Humowiecki, MDOak Park, IL 603011477533560
- Mary Hutton, MDOak Park, IL 603011164415808
- Mary Kelly, D.O.Oak Park, IL 603011912087560
- Paul Kungl, MDOak Park, IL 603011831234749
- Michael Kyle, MDOak Park, IL 603011578556544
Common questions
What is Colleen M. Weiler, D.O.'s NPI number?
Colleen M. Weiler, D.O.'s National Provider Identifier (NPI) is 1619134996, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Colleen M. Weiler, D.O. located?
The NPPES record lists a practice address at 1100 Lake St Ste 230, Oak Park, IL, 60301. Phone: (331) 221-9001. Providers update this record themselves, so call before visiting.
How can I verify Colleen M. Weiler, D.O.'s license?
NPPES lists Illinois license number 036125866, 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 Colleen M. Weiler, D.O. prescribe under Medicare Part D?
In 2024, Colleen M. Weiler, D.O. had 2,431 Medicare Part D claims for 274 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Colleen M. Weiler, D.O.'s MIPS final score?
The 2023 MIPS final score is 91.4 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.