Provider Profile
Mary Allen Olson, APRN, PMHNP-BC is a nurse practitioner — psychiatric/mental health based in Hernando, MS. Medicare claims data shows Mary Allen provided 57 services to 26 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and psychotherapy with evaluation and management visit, 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
220 OAK TREE DR
Hernando, MS 38632
1204 Office Park Dr Ste A
Oxford, MS 38655
Within Nurse Practitioner - Psychiatric/Mental Health generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Addiction
Addiction & substance use
Anxiety & panic
Attention & learning
Behavioral health
Behavioral issues
Child & adolescent
Cognitive disorders
Cognitive issues
Crisis & safety
Eating disorders
Medication side effects
Mood disorders
Obsessions & compulsions
Personality disorders
Psychotic disorders
Sleep
Stress & lifestyle
Trauma & stress
Addiction treatment
Consultations
Crisis care
Evaluations & paperwork
Evaluations & testing
Interventional treatments
Medication management
Telehealth
Therapy
Therapy & counseling
57 services · 26 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
25 | Less often than most peers in Psychiatric Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
32 | Less often than most peers in Psychiatric Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mary Allen Olson, APRN is a nurse practitioner in Hernando, MS. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Mary Allen Olson, APRN is listed at 220 Oak Tree Dr, Hernando, MS 38632. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (662) 510-8606. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mary Allen Olson, APRN's National Provider Identifier is 1497488779. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Mary Allen Olson, APRN attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
Mary Allen Olson, APRN has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mary Allen Olson, APRN provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mary Allen Olson, APRN. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.