Jeffrey Nathanson, MD
Gastroenterology Physician · Northbrook, IL
Jeffrey Nathanson, MD is a gastroenterology physician with a practice address in Northbrook, Illinois, and NPI 1972559615, issued on May 25, 2006. Check the license (Illinois 036105275, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Nathanson
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036105275 IL
Self-reported in NPPES; status is on the state search - Practice location
- 40 Skokie Blvd, Northbrook, IL 60062
- Phone
- (224) 407-4400
- Enumerated
- May 25, 2006
- Record last updated
- Sep 26, 2025
- Fax
- (224) 407-2255
- Entity
- Type 1 · individual
Also registered at 40 Skokie Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jeffrey Nathanson 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 036105275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average gastroenterology physician in 2024
77 Medicare Part D claims for 26 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Pantoprazole Sodium14 claims
- Uceris14 claims
- Rabeprazole Sodium11 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: $2,880.23
122 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
Other gastroenterology physician records in Illinois
- Abdul Aadam, M.D.Chicago, IL1013038744
- Richard Aaronson, M.D.Olympia Fields, IL1578520656
- Abdelhai Abdelqader, MDMaywood, IL1073931127
- Mustafa Abdul-Hussein, MDMattoon, IL1972759173
- Abdullah AbdussalamDes Plaines, IL1932442613
- Ayokunle Abegunde, M.D.Maywood, IL1194031435
- Majd Aboona, MDChicago, IL1386347789
- James Abraham, MDNaperville, IL1427276732
- Rana Abraham, M.D., M.S.Chicago, IL1437318516
- Frida Abrahamian, MDChicago, IL1447274279
Common questions
What is Jeffrey Nathanson, MD's NPI number?
Jeffrey Nathanson, MD's National Provider Identifier (NPI) is 1972559615, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Nathanson, MD located?
The NPPES record lists a practice address at 40 Skokie Blvd, Northbrook, IL, 60062. Phone: (224) 407-4400. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Nathanson, MD's license?
NPPES lists Illinois license number 036105275, 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 Jeffrey Nathanson, MD prescribe under Medicare Part D?
In 2024, Jeffrey Nathanson, MD had 77 Medicare Part D claims for 26 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.