John Michael Costable, MD
Gastroenterology Physician · Great Neck, NY
John Michael Costable, MD is a gastroenterology physician with a practice address in Great Neck, New York, and NPI 1043251184, issued on Jun 9, 2006. Check the license (New York 198554, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Michael Costable
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 198554 NY
Self-reported in NPPES; status is on the state search - Practice location
- 600 Northern Blvd, Great Neck, NY 11021
- Phone
- (516) 466-6075
- Enumerated
- Jun 9, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (516) 466-6044
- Medicare enrollment
- Enrolled (PECOS I20040527001236); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 600 Northern Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephanie Buck-Haskin, M.D.Obstetrics & Gynecology Physician1952362774
- Kevin Cassidy, M.D.Orthopaedic Surgery Physician1215196464
Verify John Michael Costable 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 198554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,866 Medicare Part D claims for 479 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Pantoprazole Sodium410 claims
- Omeprazole391 claims
- Famotidine199 claims
- Clenpiq95 claims
- Linzess88 claims
- Sod Sulf-Potass Sulf-Mag Sulf62 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: $143.46
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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
- North Shore Medical Group OF The Mount Sinai School OF MedicineManhasset, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Michael Costable among 1,797 gastroenterology physician records in New York
John Michael Costable, 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 updated2026 · 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).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Great Neck → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Robert Baker, M.D.Great Neck, NY 110211578646535
- Andy Fan, M.D.Great Neck, NY 110211730107327
- Matthew Horowitz, M.D.Great Neck, NY 110211225110901
- Seymour Katz, M.D.Great Neck, NY 110211255337424
- Lawrence Koblenz, MDGreat Neck, NY 110211699793620
- Mitchell Locke, MDGreat Neck, NY 110211518954726
- David Magier, M.D.Great Neck, NY 110211285634196
- Nichol Martinez, M.D.Great Neck, NY 110211265850051
Common questions
What is John Michael Costable, MD's NPI number?
John Michael Costable, MD's National Provider Identifier (NPI) is 1043251184, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Costable, MD located?
The NPPES record lists a practice address at 600 Northern Blvd, Great Neck, NY, 11021. Phone: (516) 466-6075. Providers update this record themselves, so call before visiting.
How can I verify John Michael Costable, MD's license?
NPPES lists New York license number 198554, 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 John Michael Costable, MD prescribe under Medicare Part D?
In 2024, John Michael Costable, MD had 1,866 Medicare Part D claims for 479 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.