Howard Adam Keschner, MD
Gastroenterology Physician · East Setauket, NY
Howard Adam Keschner, MD is a gastroenterology physician with a practice address in East Setauket, New York, and NPI 1871551879, issued on May 2, 2006. Check the license (New York 194651, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Howard Adam Keschner
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 194651 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Nesconset Hwy, East Setauket, NY 11733
- Phone
- (631) 751-8700
- Enumerated
- May 2, 2006
- Record last updated
- Sep 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (631) 751-5971
- Medicaid ID
- 01923371 NY
- Medicare enrollment
- Enrolled (PECOS I20110308000164); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1992
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 3400 Nesconset Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Baranowski, MDGastroenterology Physician1205892205
- Vincent Basilice, M.D.,P.C.Ophthalmology Physician1396868527
- Gary Bernstein, MDGastroenterology Physician1407813579
- Margaret Cariola, NPAdult Health Nurse Practitioner1003944943
- William Cohn, MDGastroenterology Physician1861459208
- Eugene Coman, MDGastroenterology Physician1497713887
Verify Howard Adam Keschner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 194651Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average gastroenterology physician in 2024
1,394 Medicare Part D claims for 481 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole428 claims
- Dicyclomine Hcl179 claims
- Sod Sulf-Potass Sulf-Mag Sulf146 claims
- Famotidine90 claims
- Pantoprazole Sodium74 claims
- Escitalopram Oxalate60 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $387.26
19 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, 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
- Medical Services OF Setauket PCEast Setauket, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Howard Adam Keschner among 1,797 gastroenterology physician records in New York
Howard Adam Keschner, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1992 · median 1999 among the 1,378 with a school on file
- Record last updated2012 · 65% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 gastroenterology physician records list a practice address in East Setauket
They are 20 of the 972 NPPES records with a practice address in East Setauket, and 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in East Setauket → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Robert Baranowski, MDEast Setauket, NY 117331205892205
- Gary Bernstein, MDEast Setauket, NY 117331407813579
- Douglas Brand, M.D.East Setauket, NY 117331851326706
- Jonathan Buscaglia, MDEast Setauket, NY 117331124078589
- William Cohn, MDEast Setauket, NY 117331861459208
- Eugene Coman, MDEast Setauket, NY 117331497713887
- Peter Ells, M.D.East Setauket, NY 117331336174143
- Asim Khokhar, M.D.East Setauket, NY 117331376655043
Common questions
What is Howard Adam Keschner, MD's NPI number?
Howard Adam Keschner, MD's National Provider Identifier (NPI) is 1871551879, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Howard Adam Keschner, MD located?
The NPPES record lists a practice address at 3400 Nesconset Hwy, East Setauket, NY, 11733. Phone: (631) 751-8700. Providers update this record themselves, so call before visiting.
How can I verify Howard Adam Keschner, MD's license?
NPPES lists New York license number 194651, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Howard Adam Keschner, MD prescribe under Medicare Part D?
In 2024, Howard Adam Keschner, MD had 1,394 Medicare Part D claims for 481 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Howard Adam Keschner, MD's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.