Calvin Hall, MD
Gastroenterology Physician · Chicago, IL
Calvin Hall, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1992781702, issued on Dec 22, 2005. Check the license (Illinois 036053292, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Calvin Hall
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036053292 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2600 S Michigan Ave, Chicago, IL 60616
- Phone
- (312) 326-2600
- Enumerated
- Dec 22, 2005
- Record last updated
- Aug 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (312) 326-2636
- Medicaid ID
- 036053292 IL
- Medicare enrollment
- Enrolled (PECOS I20040402001079); accepts Medicare assignment
- Medical or professional school
- Illinois Medical College, 1979
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 2600 S Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Calvin Hall 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 036053292Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average gastroenterology physician in 2024
109 Medicare Part D claims for 61 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Gavilyte-G34 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.
Calvin Hall among 887 gastroenterology physician records in Illinois
Calvin Hall, 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. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1979 · median 2003 among the 643 with a school on file
- Record last updated2010 · 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.
All 887 in Illinois → Every provider in Chicago → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Yui Chan, M.D.Chicago, IL 606161679625289
- Sharif Murphy, M.D.Chicago, IL 606161588096556
- David Atlas, M.D.Chicago, IL 606171952375636
- Claudia Johnson, M.D.Chicago, IL 606171992805782
- David BarchChicago, IL 606181447765888
- Perry Kamel, MDChicago, IL 606141174522866
- Thomas Cullins, M.D.Chicago, IL 606191295765485
- Majd Aboona, MDChicago, IL 606121386347789
Common questions
What is Calvin Hall, MD's NPI number?
Calvin Hall, MD's National Provider Identifier (NPI) is 1992781702, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Calvin Hall, MD located?
The NPPES record lists a practice address at 2600 S Michigan Ave, Chicago, IL, 60616. Phone: (312) 326-2600. Providers update this record themselves, so call before visiting.
How can I verify Calvin Hall, MD's license?
NPPES lists Illinois license number 036053292, 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 Calvin Hall, MD prescribe under Medicare Part D?
In 2024, Calvin Hall, MD had 109 Medicare Part D claims for 61 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.