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Edit this profileKaren M. Kostroff, MD is a healthcare provider in Lake Success, NY specializing in surgery. Karen trained at Boston University School of Medicine, graduating in 1979. Medicare claims data shows Karen provided 1,254 services to 1,217 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. This provider record is associated with NPI 1083762751.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2001 MARCUS AVE SUITE W270
Lake Success, NY 11042
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breast conditions
Cancer
Colorectal
Digestive
Digestive & blood
Digestive health
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Endocrine
Vascular
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
Consultations
Diagnostic
Digestive
Digestive health
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
Skin cancer
Vascular & cancer
Weight loss
Wound care
1,254 services · 1,217 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of breast | Procedure | 19301 |
39 | More often than most peers in Surgery |
| Injection of radioactive material for x-ray identification of lymph node | Procedure | 38792 |
24 | More often than most peers in Surgery |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
24 | More often than most peers in Surgery |
| Removal of growth of breast identified by x-ray marker, first growth | Procedure | 19125 |
13 | As often as other peers in Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,044 | More than most peers in Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
61 | More than most peers in Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
49 | More often than most peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Kostroff is a general surgeon in Lake Success, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Dr. Kostroff is listed at 2001 Marcus Ave Suite W270, Lake Success, NY 11042. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 775-7676. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Kostroff's National Provider Identifier is 1083762751. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Kostroff attended Boston University School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
Dr. Kostroff has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Kostroff performs procedures including partial removal of breast, injection of radioactive material for x-ray identification of lymph node and biopsy or removal of deep lymph nodes of underarm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kostroff. If this is you, claiming it is free.
Guide.md
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