James Leo Groff, D.O.
Trauma Surgery Physician · Bridgehampton, NY
James Leo Groff, D.O. is a trauma surgery physician with a practice address in Bridgehampton, New York, and NPI 1598050155, issued on Jun 12, 2011. Check the license (New York 296108, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- James Leo Groff
- Credential
- D.O.
- Primary taxonomy
- Trauma Surgery Physician 2086S0127X
- License number
- 296108 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2454 Main Street, Bridgehampton, NY 11932
- Phone
- (631) 919-5205
- Enumerated
- Jun 12, 2011
- Record last updated
- Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190503000438); may accept Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2011
- Entity
- Type 1 · individual
8 nearest trauma surgery physician records → All 73 in New York → Look up another NPI →
Also registered at 2454 Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Asma Rashid, D.O.Family Medicine Physician1366716821
Verify James Leo Groff 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 296108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $95.52
1 payment: food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 762 providers of this specialty with any payment received $2,324.59 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.
James Leo Groff among 73 trauma surgery physician records in New York
James Leo Groff, D.O. is one of 73 trauma surgery physician records with a practice address in New York. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 44% of them.
- NPI issued2011 · 44% of these records are older, 48% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2011 · median 2011 among the 61 with a school on file
- Record last updated2021 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0127X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 trauma surgery physician record lists a practice address in Bridgehampton
They are 1 of the 22 NPPES records with a practice address in Bridgehampton, and 73 trauma surgery physician records in New York.
All 73 in New York → Every provider in Bridgehampton → Trauma Surgery Physician nationwide →
The 8 trauma surgery physician records with the nearest ZIP codes
- Jennifer Lobb, M.D.Riverhead, NY 119011295116861
- Abralena Wilson, D.OWest Islip, NY 117951659406593
- Diana AvskerStony Brook, NY 117941114372893
- Polikseni Eksarko, M.D.Stony Brook, NY 117941053733998
- Jacob Deubler, PA-CPatchogue, NY 117721720760218
- Kermaan Mehta, MDBay Shore, NY 117061487018537
- Andrew Deroo, MDAlbany, NY 122081356587653
- Haarika ChalasaniMineola, NY 115011689390122
Common questions
What is James Leo Groff, D.O.'s NPI number?
James Leo Groff, D.O.'s National Provider Identifier (NPI) is 1598050155, issued on Jun 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is James Leo Groff, D.O. located?
The NPPES record lists a practice address at 2454 Main Street, Bridgehampton, NY, 11932. Phone: (631) 919-5205. Providers update this record themselves, so call before visiting.
How can I verify James Leo Groff, D.O.'s license?
NPPES lists New York license number 296108, 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.
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.