Nicholas Katz, M.D.
Gastroenterology Physician · Warren, OH
Nicholas Katz, M.D. is a gastroenterology physician with a practice address in Warren, Ohio, and NPI 1548246978, issued on Dec 18, 2005. Check the license (Ohio 35.135876, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Nicholas Katz
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 35.135876 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1932 Niles Cortland RD NE, Warren, OH 44484
- Phone
- (330) 306-5258
- Enumerated
- Dec 18, 2005
- Record last updated
- Mar 7, 2023
- Fax
- (330) 306-5259
- Medicare enrollment
- Enrolled (PECOS I20220303002046); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 741 in Ohio → Look up another NPI →
Also registered at 1932 Niles Cortland RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacy BaxterAthletic Trainer1114626975
- Philip Biviano, DPTPhysical Therapist1730738378
- Daphne Bonner, OTOccupational Therapist1760502256
- Allison BottorffFamily Nurse Practitioner1871051037
- Anita Conner, AUDAudiologist1457891574
- Richard Cuckovich, D.O.Family Medicine Physician1700203262
Verify Nicholas Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.135876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average gastroenterology physician in 2024
148 Medicare Part D claims for 82 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Omeprazole48 claims
- Pantoprazole Sodium42 claims
- Famotidine13 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: $359.88
16 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., 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.
Bills Medicare through one group practice
- The Gastroenterology Clinic And Endoscopy Center IncWarren, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Katz among 741 gastroenterology physician records in Ohio
Nicholas Katz, M.D. is one of 741 gastroenterology physician records with a practice address in Ohio. 82% 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, 78% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1983 · median 2003 among the 540 with a school on file
- Record last updated2023 · 48% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Ohio
There are 741 gastroenterology physician records in Ohio.
All 741 in Ohio → Every provider in Warren → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Rony Awaida, M.D.Warren, OH 444841306942008
- Amy Calderon, DO, PHARMDWarren, OH 444841821310004
- Carl Manzo, MDWarren, OH 444841841618204
- Farid Naffah, MDWarren, OH 444841275516460
- Kartar Khanuja, M.D.Warren, OH 444831356320857
- Lee Laney, M.D.Warren, OH 444831972582435
- Carlos Ricotti, MDWarren, OH 444831134168644
- William Kolozsi, MDSalem, OH 444601144203456
Common questions
What is Nicholas Katz, M.D.'s NPI number?
Nicholas Katz, M.D.'s National Provider Identifier (NPI) is 1548246978, issued on Dec 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Katz, M.D. located?
The NPPES record lists a practice address at 1932 Niles Cortland RD NE, Warren, OH, 44484. Phone: (330) 306-5258. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Katz, M.D.'s license?
NPPES lists Ohio license number 35.135876, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas Katz, M.D. prescribe under Medicare Part D?
In 2024, Nicholas Katz, M.D. had 148 Medicare Part D claims for 82 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.