Doctor profile · Federal record

Dr. George Keckeisen, MD

Vascular Surgery Physician (CMS: General Surgery) · Southampton, NY

  • NPI 1619072436
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 Meeting House Ln, Bldg #2
Southampton, NY 119685087
(631) 283-2100
fax (631) 283-5731
Mailing address
Po Box 2340
Southampton, NY 119692340

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
January 11, 2011
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State license (1)
New York #151417
Medicaid
NY #01521420

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619072436. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
444
Distinct HCPCS
10
Medicare allowed
$48,757
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 152 39 $42
99213 Established patient office or other outpatient visit, 20-29 minutes 51 43 $107
99183 Management of oxygen chamber therapy 49 12 $128
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 49 48 $153
99203 New patient office or other outpatient visit, 30-44 minutes 47 47 $135
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 36 18 $92
99213 Established patient office or other outpatient visit, 20-29 minutes 21 19 $77
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $99
49505 Repair of groin hernia (5 years or older) 13 13 $677
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $151

In context: peer comparison

Among 2 peers in this city , average services per provider: 79. This provider delivers 5.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. George Keckeisen's medical specialty?
Dr. George Keckeisen practices Vascular Surgery Physician in Southampton, NY.
Where does Dr. George Keckeisen practice?
Dr. George Keckeisen practices at 325 Meeting House Ln, Southampton, NY 119685087. Office phone: 6312832100.
What is Dr. George Keckeisen's NPI?
Dr. George Keckeisen's National Provider Identifier (NPI) is 1619072436, issued by NPPES.
Does Dr. George Keckeisen accept Medicare assignment?
Yes. Dr. George Keckeisen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Keckeisen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); Management of oxygen chamber therapy (HCPCS 99183). Source: CMS Medicare Physician & Other Practitioners file.