Cynthia Ann Wollenschlager, M.D.
Infectious Disease Physician · Downers Grove, IL
Cynthia Ann Wollenschlager, M.D. is an infectious disease physician with a practice address in Downers Grove, Illinois, and NPI 1124086087, issued on May 2, 2006. Check the license (Illinois 036-065297, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Cynthia Ann Wollenschlager
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036-065297 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3825 Highland Ave, Downers Grove, IL 60515
- Phone
- (630) 971-9275
- Enumerated
- May 2, 2006
- Record last updated
- Jun 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (630) 971-9293
- Medicare enrollment
- Enrolled (PECOS I20201211000489); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 3825 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lara Bakhos, M.D.Cardiovascular Disease Physician1730336652
- Jennifer Balash, M.D.Obstetrics & Gynecology Physician1487881025
- Shamita Bansore, MDObstetrics & Gynecology Physician1700813771
Verify Cynthia Ann Wollenschlager 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 036-065297Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average infectious disease physician in 2024
1,057 Medicare Part D claims for 352 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. 81 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass118 claims
- Methylprednisolone98 claims
- Albuterol Sulfate Hfa73 claims
- Acetaminophen-Codeine45 claims
- Prednisone44 claims
- Clindamycin Hcl43 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.
Bills Medicare through one group practice
- Dupage Immediate Care, LtdOak Brook, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Ann Wollenschlager among 464 infectious disease physician records in Illinois
Cynthia Ann Wollenschlager, M.D. is one of 464 infectious disease physician records with a practice address in Illinois. 79% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1981 · median 2004 among the 311 with a school on file
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Downers Grove → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Marcia Huston, MDAurora, IL 605061942234984
- Priyadarshini Verma, M.D.Aurora, IL 605061053443895
- Bob Manam, MDAurora, IL 605041063443885
- David Beezhold, DOBurr Ridge, IL 605271306832860
- Jaime Belmares Avalos, MDBurr Ridge, IL 605271164457578
- Aneta Bush, MDBurr Ridge, IL 605271871589291
- Rodica Dumitru, MDBurr Ridge, IL 605271164418547
- Manjula Dundoo, MDBurr Ridge, IL 605271982772604
Common questions
What is Cynthia Ann Wollenschlager, M.D.'s NPI number?
Cynthia Ann Wollenschlager, M.D.'s National Provider Identifier (NPI) is 1124086087, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Ann Wollenschlager, M.D. located?
The NPPES record lists a practice address at 3825 Highland Ave, Downers Grove, IL, 60515. Phone: (630) 971-9275. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Ann Wollenschlager, M.D.'s license?
NPPES lists Illinois license number 036-065297, 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 Cynthia Ann Wollenschlager, M.D. prescribe under Medicare Part D?
In 2024, Cynthia Ann Wollenschlager, M.D. had 1,057 Medicare Part D claims for 352 beneficiaries; the average among infectious disease physician prescribers was 689. 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.