Robert I. Weisman, M.D.
Colon & Rectal Surgery Physician · Park Ridge, IL
Robert I. Weisman, M.D. is a colon & rectal surgery physician with a practice address in Park Ridge, Illinois, and NPI 1619901295, issued on Jul 10, 2006. Check the license (Illinois 036065704, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert I. Weisman
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 036065704 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1875 Dempster St, Park Ridge, IL 60068
- Phone
- (847) 318-9071
- Enumerated
- Jul 10, 2006
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 318-2535
- Medicare enrollment
- Enrolled (PECOS I20100118000060); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1981
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 97 in Illinois → Look up another NPI →
Also registered at 1875 Dempster St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Bergin, MDOrthopaedic Surgery of the Spine Physician1205880820
- Avi Bernstein, M.D.Orthopaedic Surgery of the Spine Physician1740325927
Verify Robert I. Weisman 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 036065704Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average colon & rectal surgery physician in 2024
520 Medicare Part D claims for 457 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Peg 3350-Electrolyte396 claims
- Gavilyte-G22 claims
- Sod Sulf-Potass Sulf-Mag Sulf21 claims
- Peg-3350 And Electrolytes14 claims
- Lactulose11 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
- 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).
Robert I. Weisman among 97 colon & rectal surgery physician records in Illinois
Robert I. Weisman, M.D. is one of 97 colon & rectal surgery physician records with a practice address in Illinois. 86% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1981 · median 2006 among the 73 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Illinois
There are 97 colon & rectal surgery physician records in Illinois.
All 97 in Illinois → Every provider in Park Ridge → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Kunal Kochar, MDPark Ridge, IL 600681063724664
- John Park, M.D.Park Ridge, IL 600681992750020
- Jean-Francois Tremblay, M.D.Park Ridge, IL 600681104379973
- Maria Unuvar, MDPark Ridge, IL 600681033772264
- Kristin Vercillo, M.D.Libertyville, IL 600481346561123
- John Andrews, M.D.Lake Forest, IL 600451992775340
- David Stewart, M.D.Zion, IL 600991205930484
- Tae Kim, MDHighland Park, IL 600351780047076
Common questions
What is Robert I. Weisman, M.D.'s NPI number?
Robert I. Weisman, M.D.'s National Provider Identifier (NPI) is 1619901295, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert I. Weisman, M.D. located?
The NPPES record lists a practice address at 1875 Dempster St, Park Ridge, IL, 60068. Phone: (847) 318-9071. Providers update this record themselves, so call before visiting.
How can I verify Robert I. Weisman, M.D.'s license?
NPPES lists Illinois license number 036065704, 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 Robert I. Weisman, M.D. prescribe under Medicare Part D?
In 2024, Robert I. Weisman, M.D. had 520 Medicare Part D claims for 457 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. 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.