Doctor profile · Federal record

Dr. Karen McLean, M.D., PH.D.

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Obstetrics & Gynecology Physician · Gynecologic Oncology Physician · Buffalo, NY

  • NPI 1356467575
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
Elm and Carlton St
Buffalo, NY 142630001
(716) 845-2300
fax (716) 845-3549
Additional location
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 10, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State licenses (2)
New York #207VX0201X · Michigan #4301083778

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356467575. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
84
Distinct HCPCS
3
Medicare allowed
$6,118
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 40 21 $94
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 12 $48
99213 Established patient office or other outpatient visit, 20-29 minutes 18 13 $63

In context: peer comparison

Among 3 peers in Buffalo Gynecologic Oncology Physician, average services per provider: 31. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$93
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $93.35

By nature of payment

Food and Beverage
$93

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen McLean's medical specialty?
Dr. Karen McLean practices Gynecologic Oncology Physician in Buffalo, NY.
Where does Dr. Karen McLean practice?
Dr. Karen McLean practices at Elm and Carlton St, Buffalo, NY 142630001. Office phone: 7168452300.
What is Dr. Karen McLean's NPI?
Dr. Karen McLean's National Provider Identifier (NPI) is 1356467575, issued by NPPES.
Does Dr. Karen McLean accept Medicare assignment?
Yes. Dr. Karen McLean accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen McLean commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.