Doctor profile · Federal record

Dr. Mary Allen Olson, APRN, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Hernando, MS

  • NPI 1497488779
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
220 Oak Tree Dr
Hernando, MS 386321196
(662) 510-8606
Additional location
1204 Office Park Dr Ste A
Oxford, MS 386553597
Mailing address
Po Box 770
Hernando, MS 386320770

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Profile last updated
March 17, 2026
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Mississippi #905248

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497488779. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,040
Transactions
48
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, Inc. 11 $249.93
Otsuka America Pharmaceutical, Inc. 7 $186.06
Axsome Therapeutics, Inc. 8 $145.54
ABBVIE INC. 11 $133.42
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 2 $110.85
Janssen Pharmaceuticals, Inc 4 $78.45
Lundbeck LLC 2 $53.09
Vanda Pharmaceuticals Inc. 1 $39.67
Alkermes, Inc. 1 $23.86
Neurocrine Biosciences, Inc. 1 $19.36

By nature of payment

Food and Beverage
$1,040

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Allen Olson's medical specialty?
Dr. Mary Allen Olson practices Psychiatric/Mental Health Nurse Practitioner in Hernando, MS.
Where does Dr. Mary Allen Olson practice?
Dr. Mary Allen Olson practices at 220 Oak Tree Dr, Hernando, MS 386321196. Office phone: 6625108606.
What is Dr. Mary Allen Olson's NPI?
Dr. Mary Allen Olson's National Provider Identifier (NPI) is 1497488779, issued by NPPES.
Does Dr. Mary Allen Olson accept Medicare assignment?
Yes. Dr. Mary Allen Olson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.