Doctor profile · Federal record

Dr. ALEXANDRA KARL, FNP-C

Family Nurse Practitioner · MASSAPEQUA, NY

  • NPI 1639658206
  • 8 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4200 SUNRISE HWY
MASSAPEQUA, NY 11758
(516) 809-9666
Additional location
66 Austin Blvd
Commack, NY 11725
(631) 864-2784

Credentials & registration

NPPES · NUCC
NPI registered
August 2018 — 8 yrs on file
Profile last updated
February 5, 2019
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New York #343462

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639658206. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,622
Transactions
50
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 9 $354.20
Janssen Biotech, Inc. 10 $308.33
UCB, Inc. 10 $272.13
ANI Pharmaceuticals, Inc. 5 $234.02
ABBVIE INC. 3 $146.16
E.R. Squibb & Sons, L.L.C. 3 $85.17
GlaxoSmithKline, LLC. 2 $57.83
Novartis Pharmaceuticals Corporation 3 $49.58
AstraZeneca Pharmaceuticals LP 2 $35.85
Mallinckrodt Hospital Products Inc. 1 $34.25
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $25.35
PFIZER INC. 1 $18.64

By nature of payment

Food and Beverage
$1,523
Education
$99