Provider Profile
Maryann Ryan, APRN is a nurse practitioner — psychiatric/mental health based in Warwick, NY. Maryann is also listed as specializing in registered nurse and nurse practitioner — family. According to Medicare claims data, Maryann cared for 222 Medicare patients across 987 services. 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, psychotherapy with evaluation and management visit, 30 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
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.
65 MAIN ST SUITE 100
Warwick, NY 10990
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
987 services · 222 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
238 | More often than most peers in Psychiatric Nurse Practitioner |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
15 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
688 | More than most peers in Psychiatric Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
46 | As often as other peers in Psychiatric Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Maryann Ryan is a nurse practitioner in Warwick, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Maryann Ryan is listed at 65 Main St Suite 100, Warwick, NY 10990. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (845) 545-5444. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Maryann Ryan's National Provider Identifier is 1336463058. 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
Maryann Ryan attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Maryann Ryan has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Maryann Ryan provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychiatric diagnostic evaluation with medical services, 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 Maryann Ryan. 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.