Doris F. Nussenbaum, M.D.
Internal Medicine Physician · Park Ridge, IL
Doris F. Nussenbaum, M.D. is an internal medicine physician with a practice address in Park Ridge, Illinois, and NPI 1548286180, issued on Jul 15, 2006. Check the license (Illinois 0036097971, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Doris F. Nussenbaum
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0036097971 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1775 Dempster St, Park Ridge, IL 60068
- Phone
- (847) 723-8080
- Enumerated
- Jul 15, 2006
- Record last updated
- Dec 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 723-4378
- Medicaid ID
- 036097971 IL
- Medicare enrollment
- Enrolled (PECOS I20100118000055); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1775 Dempster St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Doris F. Nussenbaum 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 0036097971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
135 Medicare Part D claims for 50 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Levetiracetam21 claims
- Tamsulosin Hcl20 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.
Industry payments in 2024: $17.65
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationPark Ridge, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Doris F. Nussenbaum among 7,238 internal medicine physician records in Illinois
Doris F. Nussenbaum, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1989 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
163 internal medicine physician records list a practice address in Park Ridge
They are 163 of the 2,577 NPPES records with a practice address in Park Ridge, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Park Ridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Voula Asimacopoulos, MDPark Ridge, IL 600681114920824
- Howard Becker, MDPark Ridge, IL 600681245269794
- Mark Conley, D.O.Park Ridge, IL 600681366471856
- Maribeth December, M.D.Park Ridge, IL 600681245275635
- Michael Greising, MDPark Ridge, IL 600681629071329
- Thomas Holmes, M.D.Park Ridge, IL 600681689603110
- Jaroslaw Leszczak, MDPark Ridge, IL 600681588606222
- Andrey Lev-Weissberg, MDPark Ridge, IL 600681245206655
Common questions
What is Doris F. Nussenbaum, M.D.'s NPI number?
Doris F. Nussenbaum, M.D.'s National Provider Identifier (NPI) is 1548286180, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Doris F. Nussenbaum, M.D. located?
The NPPES record lists a practice address at 1775 Dempster St, Park Ridge, IL, 60068. Phone: (847) 723-8080. Providers update this record themselves, so call before visiting.
How can I verify Doris F. Nussenbaum, M.D.'s license?
NPPES lists Illinois license number 0036097971, 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 Doris F. Nussenbaum, M.D. prescribe under Medicare Part D?
In 2024, Doris F. Nussenbaum, M.D. had 135 Medicare Part D claims for 50 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.