Doctor profile · Federal record

Dr. Mackenzie Hollister, DNP, AGACNP-BC

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Huntington, NY

  • NPI 1649008137
  • Accepts Medicare
  • 2 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
270 Park Ave
Huntington, NY 117432799
(631) 351-2798

Credentials & registration

NPPES · NUCC
NPI registered
July 2024 — 2 yrs on file
Profile last updated
July 31, 2024
Year of graduation
2024 — 2 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
New York #433039

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649008137. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$36
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 1 $36.00

By nature of payment

Education
$36

Frequently asked questions

Auto-generated from federal data
What is Dr. Mackenzie Hollister's medical specialty?
Dr. Mackenzie Hollister practices Acute Care Nurse Practitioner in Huntington, NY.
Where does Dr. Mackenzie Hollister practice?
Dr. Mackenzie Hollister practices at 270 Park Ave, Huntington, NY 117432799. Office phone: 6313512798.
What is Dr. Mackenzie Hollister's NPI?
Dr. Mackenzie Hollister's National Provider Identifier (NPI) is 1649008137, issued by NPPES.
Does Dr. Mackenzie Hollister accept Medicare assignment?
Yes. Dr. Mackenzie Hollister accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.