Doctor profile · Federal record
Dr. Claudia Niewiadomski
Family Nurse Practitioner (CMS: Nurse Practitioner) · Mineola, NY
- NPI 1699450528
- Accepts Medicare
- 3 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
259 1St St
Mineola, NY 115013957
(516) 663-0333
Credentials & registration
- NPI registered
- June 2023 — 3 yrs on file
- Year of graduation
- 2023 — 3 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- New York #352244
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699450528. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$134
Transactions
6
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 4 | $90.10 | |
| Pfizer INC. | 2 | $44.33 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Claudia Niewiadomski's medical specialty?
Dr. Claudia Niewiadomski practices Family Nurse Practitioner in Mineola, NY.
Where does Dr. Claudia Niewiadomski practice?
Dr. Claudia Niewiadomski practices at 259 1St St, Mineola, NY 115013957. Office phone: 5166630333.
What is Dr. Claudia Niewiadomski's NPI?
Dr. Claudia Niewiadomski's National Provider Identifier (NPI) is 1699450528, issued by NPPES.
Does Dr. Claudia Niewiadomski accept Medicare assignment?
Yes. Dr. Claudia Niewiadomski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.