Joseph A. Katz, M.D.
Gastroenterology Physician · Indianapolis, IN
Joseph A. Katz, M.D. is a gastroenterology physician with a practice address in Indianapolis, Indiana, and NPI 1699982579, issued on May 17, 2007. Check the license (Indiana 01042713, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Joseph A. Katz
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 01042713 IN
Self-reported in NPPES; status is on the state search - Practice location
- 1400 N Ritter Ave Ste 210, Indianapolis, IN 46219
- Phone
- (317) 355-4191
- Enumerated
- May 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (317) 355-1131
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 372 in Indiana → Look up another NPI →
Verify Joseph A. Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01042713Check 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 gastroenterology physician in 2024
34 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Joseph A. Katz among 372 gastroenterology physician records in Indiana
Joseph A. Katz, M.D. is one of 372 gastroenterology physician records with a practice address in Indiana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2007 · 42% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Indiana
There are 372 gastroenterology physician records in Indiana.
All 372 in Indiana → Every provider in Indianapolis → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Bash, MDIndianapolis, IN 462191982671384
- Jigar Bhagatwala, MBBSIndianapolis, IN 462191992091912
- Damon FuIndianapolis, IN 462191689018822
- Joseph Henderson, MDIndianapolis, IN 462191679540090
- David Hollander, MDIndianapolis, IN 462191912974338
- Toyia James-Stevenson, MDIndianapolis, IN 462191164634887
- Eldred Macdonell, MDIndianapolis, IN 462191629045042
- Nikhil Martis, M.D.Indianapolis, IN 462191144519760
Common questions
What is Joseph A. Katz, M.D.'s NPI number?
Joseph A. Katz, M.D.'s National Provider Identifier (NPI) is 1699982579, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Katz, M.D. located?
The NPPES record lists a practice address at 1400 N Ritter Ave Ste 210, Indianapolis, IN, 46219. Phone: (317) 355-4191. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Katz, M.D.'s license?
NPPES lists Indiana license number 01042713, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph A. Katz, M.D. prescribe under Medicare Part D?
In 2024, Joseph A. Katz, M.D. had 34 Medicare Part D claims; 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.