Mary Allen Olson, APRN, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Hernando, MS
Mary Allen Olson, APRN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Hernando, Mississippi, and NPI 1497488779, issued on Jul 5, 2022. Check the license (Mississippi 905248, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Allen Olson
- Credential
- APRN, PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 905248 MS
Self-reported in NPPES; status is on the state search - Practice location
- 220 Oak Tree Dr, Hernando, MS 38632
- Phone
- (662) 510-8606
- Enumerated
- Jul 5, 2022
- Record last updated
- Mar 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20230607003218); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 624 in Mississippi → Look up another NPI →
Also registered at 220 Oak Tree Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth DougherPsychiatric/Mental Health Nurse Practitioner1417832171
- Erin Harrell, NPPsychiatric/Mental Health Nurse Practitioner1497123343
- Alison Perryman, MSN, RN, PMHNPPsychiatric/Mental Health Nurse Practitioner1124627690
Verify Mary Allen Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license 905248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
158 Medicare Part D claims for 21 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Trazodone Hcl29 claims
- Lamotrigine28 claims
- Quetiapine Fumarate18 claims
- Bupropion Xl15 claims
- Fluoxetine Hcl15 claims
- Buspirone Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,040.23
48 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- IN Focus Psychiatry LLCOxford, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Allen Olson among 624 psychiatric/mental health nurse practitioner records in Mississippi
Mary Allen Olson, APRN, PMHNP-BC is one of 624 psychiatric/mental health nurse practitioner records with a practice address in Mississippi. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 59% of them.
- NPI issued2022 · 59% of these records are older, 31% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2020 among the 366 with a school on file
- Record last updated2026 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 psychiatric/mental health nurse practitioner records list a practice address in Hernando
They are 9 of the 244 NPPES records with a practice address in Hernando, and 624 psychiatric/mental health nurse practitioner records in Mississippi.
All 624 in Mississippi → Every provider in Hernando → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Collietta BassettHernando, MS 386321063976983
- Elizabeth DougherHernando, MS 386321417832171
- Erin Harrell, NPHernando, MS 386321497123343
- Staci Hudson, PMHNP-BCHernando, MS 386321851814875
- Stacey Patterson, APNHernando, MS 386321437309978
- Alison Perryman, MSN, RN, PMHNPHernando, MS 386321124627690
- Melissa Smith, APRNHernando, MS 386321598151169
- Ethan Smitherman, PMHNPHernando, MS 386321316643398
Common questions
What is Mary Allen Olson, APRN, PMHNP-BC's NPI number?
Mary Allen Olson, APRN, PMHNP-BC's National Provider Identifier (NPI) is 1497488779, issued on Jul 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mary Allen Olson, APRN, PMHNP-BC located?
The NPPES record lists a practice address at 220 Oak Tree Dr, Hernando, MS, 38632. Phone: (662) 510-8606. Providers update this record themselves, so call before visiting.
How can I verify Mary Allen Olson, APRN, PMHNP-BC's license?
NPPES lists Mississippi license number 905248, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Allen Olson, APRN, PMHNP-BC prescribe under Medicare Part D?
In 2024, Mary Allen Olson, APRN, PMHNP-BC had 158 Medicare Part D claims for 21 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.