Robert William Isfort, M.D.
Gastroenterology Physician · Cincinnati, OH
Robert William Isfort, M.D. is a gastroenterology physician with a practice address in Cincinnati, Ohio, and NPI 1639494032, issued on Mar 29, 2010. Check the license (Ohio 35.128132, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Robert William Isfort
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 35.128132 OH
01076577A IN
Self-reported in NPPES; status is on the state search - Practice location
- 10600 Montgomery RD, Cincinnati, OH 45242
- Phone
- (513) 794-5600
- Enumerated
- Mar 29, 2010
- Record last updated
- Jan 31, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (513) 281-1908
- Medicare enrollment
- Enrolled (PECOS I20160728002029); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 741 in Ohio → Look up another NPI →
Also registered at 10600 Montgomery RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Grace Bell, CNPNurse Practitioner1366542417
- Howard Deckter, M.D.Gastroenterology Physician1073512729
- Peter Dryer, MDGastroenterology Physician1639380934
- Gordon Fessler, M.D.Gastroenterology Physician1649279217
- Michel Ghastine, M.D.Gastroenterology Physician1417956475
- Nav Grandhi, M.D.Gastroenterology Physician1497754469
Verify Robert William Isfort in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.128132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average gastroenterology physician in 2024
1,352 Medicare Part D claims for 295 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 Sodium200 claims
- Dicyclomine Hcl67 claims
- Stelara64 claims
- Omeprazole57 claims
- Mesalamine48 claims
- Linzess46 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: $25,681.40
160 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. 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
- Gcga Physicians Inc.Cincinnati, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert William Isfort among 741 gastroenterology physician records in Ohio
Robert William Isfort, 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 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2006 · median 2003 among the 540 with a school on file
- Record last updated2017 · 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 Cincinnati → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mohammad Abdrabbo, MDMontgomery, OH 452421104828201
- Rajagopal Chadalavada, MDCincinnati, OH 452421336115443
- Daniel Debo, D.O.Montgomery, OH 452421447254040
- Howard Deckter, M.D.Cincinnati, OH 452421073512729
- Gordon Fessler, M.D.Cincinnati, OH 452421649279217
- Michel Ghastine, M.D.Cincinnati, OH 452421417956475
- Nav Grandhi, M.D.Cincinnati, OH 452421497754469
- Vinayak Kulkarni, M.D.Cincinnati, OH 452421104820695
Common questions
What is Robert William Isfort, M.D.'s NPI number?
Robert William Isfort, M.D.'s National Provider Identifier (NPI) is 1639494032, issued on Mar 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Robert William Isfort, M.D. located?
The NPPES record lists a practice address at 10600 Montgomery RD, Cincinnati, OH, 45242. Phone: (513) 794-5600. Providers update this record themselves, so call before visiting.
How can I verify Robert William Isfort, M.D.'s license?
NPPES lists Ohio license number 35.128132, 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 Robert William Isfort, M.D. prescribe under Medicare Part D?
In 2024, Robert William Isfort, M.D. had 1,352 Medicare Part D claims for 295 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.