Doctor profile · Federal record

Dr. Karen Kostroff, MD

Surgery Physician (CMS: General Surgery) · Lake Success, NY

  • NPI 1083762751
  • MIPS 85.0 / 100 · 2023
  • 47 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 Marcus Ave, Suite W270
Lake Success, NY 11042
(516) 775-7676
fax (516) 222-8475
Mailing address
990 Stewart Ave, Suite 400
Garden City, NY 115304822

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 25, 2011
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
New York #1429101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083762751. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,198
Distinct HCPCS
7
Medicare allowed
$159,443
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,001 975 $100
99205 New patient office or other outpatient visit, 60-74 minutes 59 59 $244
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $185
19301 Partial removal of breast 36 36 $778
38525 Biopsy or removal of deep lymph nodes of underarm 23 23 $299
38792 Injection of radioactive material for x-ray identification of lymph node 23 23 $19
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $126

In context: peer comparison

Among 2 peers in this city , average services per provider: 131. This provider delivers 9.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
112
Patients
29
Total drug cost
$2,045
Drug Type Claims Patients Total cost
Anastrozole Generic 71 29 $1,374
Letrozole Generic 41 0 $672

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Kostroff's medical specialty?
Dr. Karen Kostroff practices Surgery Physician in Lake Success, NY.
Where does Dr. Karen Kostroff practice?
Dr. Karen Kostroff practices at 2001 Marcus Ave, Lake Success, NY 11042. Office phone: 5167757676.
What is Dr. Karen Kostroff's NPI?
Dr. Karen Kostroff's National Provider Identifier (NPI) is 1083762751, issued by NPPES.
Does Dr. Karen Kostroff accept Medicare assignment?
Dr. Karen Kostroff does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Karen Kostroff commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99205); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.