George D. Keckeisen, MD
Vascular Surgery Physician · Southampton, NY
George D. Keckeisen, MD is a vascular surgery physician with a practice address in Southampton, New York, and NPI 1619072436, issued on Sep 14, 2006. Check the license (New York 151417, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- George D. Keckeisen
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- 151417 NY
Self-reported in NPPES; status is on the state search - Practice location
- 325 Meeting House LN, Southampton, NY 11968
- Phone
- (631) 283-2100
- Enumerated
- Sep 14, 2006
- Record last updated
- Jan 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (631) 283-5731
- Medicaid ID
- 01521420 NY
- Medicare enrollment
- Enrolled (PECOS I20050421000493); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1981
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 412 in New York → Look up another NPI →
Also registered at 325 Meeting House LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine BrennanPhysical Therapist1043371081
- Julie CodringtonDental Hygienist1245181486
- Candace Cummings, M.D.Internal Medicine Physician1336252782
- Gregory Davis, DMDPeriodontics1528191400
- Rajeev Fernando, M.DInfectious Disease Physician1659508570
- Thelma Gaetano, M.D.Pediatrics Physician1730325721
Verify George D. Keckeisen 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 151417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average vascular surgery physician in 2024
26 Medicare Part D claims for 21 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
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): 98.5 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).
Bills Medicare through one group practice
- Meeting House Lane Medical Practice PCGreenport, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George D. Keckeisen among 412 vascular surgery physician records in New York
George D. Keckeisen, MD is one of 412 vascular surgery physician records with a practice address in New York. 89% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 47% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1981 · median 1998 among the 331 with a school on file
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in New York
There are 412 vascular surgery physician records in New York.
All 412 in New York → Every provider in Southampton → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Gurpreet Gill, M.DSouthampton, NY 119681548599533
- Andrew Elbardissi, MDEast Hampton, NY 119371104090539
- Leslaw Gredysa, MDRiverhead, NY 119011184729998
- Lalithapriya Jayakumar, M.D.Latham, NY 121101891020640
- Zachary Kostun, M.D.Latham, NY 121101598022147
- Manish Mehta, MDLatham, NY 121101376534602
- Philip Paty, MDLatham, NY 121101033190541
- Mehran MansouriPlainview, NY 118031689661019
Common questions
What is George D. Keckeisen, MD's NPI number?
George D. Keckeisen, MD's National Provider Identifier (NPI) is 1619072436, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George D. Keckeisen, MD located?
The NPPES record lists a practice address at 325 Meeting House LN, Southampton, NY, 11968. Phone: (631) 283-2100. Providers update this record themselves, so call before visiting.
How can I verify George D. Keckeisen, MD's license?
NPPES lists New York license number 151417, 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 George D. Keckeisen, MD prescribe under Medicare Part D?
In 2024, George D. Keckeisen, MD had 26 Medicare Part D claims for 21 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is George D. Keckeisen, MD's MIPS final score?
The 2023 MIPS final score is 98.5 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.