James Alan Gross, MD
Gastroenterology Physician · Grayslake, IL
James Alan Gross, MD is a gastroenterology physician with a practice address in Grayslake, Illinois, and NPI 1497733851, issued on Jan 5, 2006. Check the license (Illinois 036072198, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Alan Gross
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036072198 IL
Self-reported in NPPES; status is on the state search - Practice location
- 205 Commerce Dr, Grayslake, IL 60030
- Phone
- (847) 856-3800
- Enumerated
- Jan 5, 2006
- Record last updated
- Oct 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (847) 856-3803
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Verify James Alan Gross 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 036072198Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Alan Gross among 887 gastroenterology physician records in Illinois
James Alan Gross, MD is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileNo · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2015 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 887 in Illinois → Every provider in Grayslake → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Aaron Cohn, M.D.Grayslake, IL 600301841586211
- John Gaetano, M.D.Grayslake, IL 600301588977722
- Frank Martini, MDGrayslake, IL 600301588642136
- Hosep Deyrmenjian, M.D.Gurnee, IL 600311710979729
- Walter Glaws, D OGurnee, IL 600311104828532
- Amit Kalra, M.D.Gurnee, IL 600311215120274
- Everett Kirch, MDGurnee, IL 600311225030687
- Kevin Liebovich, MDGurnee, IL 600311235131673
Common questions
What is James Alan Gross, MD's NPI number?
James Alan Gross, MD's National Provider Identifier (NPI) is 1497733851, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Alan Gross, MD located?
The NPPES record lists a practice address at 205 Commerce Dr, Grayslake, IL, 60030. Phone: (847) 856-3800. Providers update this record themselves, so call before visiting.
How can I verify James Alan Gross, MD's license?
NPPES lists Illinois license number 036072198, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.