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 .
- Primary practice
-
4200 Sunrise Hwy
Massapequa, NY 11758
(516) 809-9666 - Additional location
-
66 Austin Blvd
Commack, NY 11725
(631) 864-2784
Credentials & registration
- 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
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639658206. Last verified May 11, 2026.Open Payments
Industry payments received
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
Frequently asked questions
What is Dr. Alexandra Karl's medical specialty?
Dr. Alexandra Karl practices Family Nurse Practitioner in Massapequa, NY.
Where does Dr. Alexandra Karl practice?
Dr. Alexandra Karl practices at 4200 Sunrise Hwy, Massapequa, NY 11758. Office phone: 5168099666.
What is Dr. Alexandra Karl's NPI?
Dr. Alexandra Karl's National Provider Identifier (NPI) is 1639658206, issued by NPPES.