Leo C. Katz, M.D.
Gastroenterology Physician · Phila, PA
Leo C. Katz, M.D. is a gastroenterology physician with a practice address in Phila, Pennsylvania, and NPI 1700845633, issued on Mar 20, 2006. Check the license (Pennsylvania MD043084L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Leo C. Katz
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD043084L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Chestnut St, Phila, PA 19107
- Phone
- (215) 955-8900
- Enumerated
- Mar 20, 2006
- Record last updated
- Oct 28, 2024
- Fax
- (215) 955-5245
- Medicaid IDs
- 0014086960002 PA
5624703 NJ - Medicare enrollment
- Enrolled (PECOS I20101028000867); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 1101 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Abrams, M.D.Gastroenterology Physician1174582076
- Christopher Adkins, M.D.Gastroenterology Physician1023350766
- Monjur Ahmed, MDGastroenterology Physician1972568251
- Cuckoo Choudhary, M.D.Gastroenterology Physician1871552711
- Robert Coben, M.D.Gastroenterology Physician1891754891
- Michael Dimarino, M.D.Gastroenterology Physician1619936515
Verify Leo C. Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD043084LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average gastroenterology physician in 2024
1,176 Medicare Part D claims for 299 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Pantoprazole Sodium252 claims
- Omeprazole121 claims
- Famotidine115 claims
- Sodium Chloride85 claims
- Kcl-D5w-0.45% Nacl52 claims
- Potassium Chloride51 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 2 group practices
- Jefferson University PhysiciansPhiladelphia, PA
- Jefferson University Physicians OF New Jersey PCVoorhees, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leo C. Katz among 1,049 gastroenterology physician records in Pennsylvania
Leo C. Katz, M.D. is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1988 · median 2003 among the 769 with a school on file
- Record last updated2024 · 63% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 gastroenterology physician records list a practice address in Phila
They are 22 of the 820 NPPES records with a practice address in Phila, and 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Phila → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jeffrey Abrams, M.D.Phila, PA 191071174582076
- Cuckoo Choudhary, M.D.Phila, PA 191071871552711
- Robert Coben, M.D.Phila, PA 191071891754891
- Sidney Cohen, M.D.Phila, PA 191071821057720
- Mitchell Conn, M.D.Phila, PA 191071922067917
- Anthony Dimarino, M.D.Phila, PA 191071780643775
- Michael Dimarino, M.D.Phila, PA 191071619936515
- Steven Greenfield, M.D.Phila, PA 191071326007576
Common questions
What is Leo C. Katz, M.D.'s NPI number?
Leo C. Katz, M.D.'s National Provider Identifier (NPI) is 1700845633, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leo C. Katz, M.D. located?
The NPPES record lists a practice address at 1101 Chestnut St, Phila, PA, 19107. Phone: (215) 955-8900. Providers update this record themselves, so call before visiting.
How can I verify Leo C. Katz, M.D.'s license?
NPPES lists Pennsylvania license number MD043084L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leo C. Katz, M.D. prescribe under Medicare Part D?
In 2024, Leo C. Katz, M.D. had 1,176 Medicare Part D claims for 299 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.