Donatus F. Weithman, MD
Family Medicine Physician · Naperville, IL
Donatus F. Weithman, MD is a family medicine physician with a practice address in Naperville, Illinois, and NPI 1346317385, issued on Nov 28, 2006. Check the license (Illinois 36107580, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Donatus F. Weithman
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36107580 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1220 Hobson Road, Naperville, IL 60540
- Phone
- (630) 416-7766
- Enumerated
- Nov 28, 2006
- Record last updated
- Jun 15, 2022
- Fax
- (630) 416-8899
- Medicaid ID
- 036107580 IL
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1220 Hobson Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Glenn Grobe, MDFamily Medicine Physician1639246671
- Edyta Straczynski, M.D.Family Medicine Physician1558396085
Verify Donatus F. Weithman 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 36107580Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
46 Medicare Part D claims for 23 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Donatus F. Weithman among 6,215 family medicine physician records in Illinois
Donatus F. Weithman, MD 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 fileNo · 60% of these records are
- Record last updated2022 · 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 Naperville
They are 86 of the 4,634 NPPES records with a practice address in Naperville, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Naperville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Carducci, M.D.Naperville, IL 605401093762338
- Karla Dorsey-Johnson, MDNaperville, IL 605401245205731
- Stephanie Dressler, PA CNaperville, IL 605401629068234
- Hiam Eldewek, D.O.Naperville, IL 605401639128309
- Michael Fitzgerald, MDNaperville, IL 605401346215407
- Fowzia Ghouse, MDNaperville, IL 605401215923826
- Ronald Glas, MDNaperville, IL 605401720075484
- Kaleem Khan, M.D.Naperville, IL 605401619917713
Common questions
What is Donatus F. Weithman, MD's NPI number?
Donatus F. Weithman, MD's National Provider Identifier (NPI) is 1346317385, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donatus F. Weithman, MD located?
The NPPES record lists a practice address at 1220 Hobson Road, Naperville, IL, 60540. Phone: (630) 416-7766. Providers update this record themselves, so call before visiting.
How can I verify Donatus F. Weithman, MD's license?
NPPES lists Illinois license number 36107580, 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 Donatus F. Weithman, MD prescribe under Medicare Part D?
In 2024, Donatus F. Weithman, MD had 46 Medicare Part D claims for 23 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.