Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Maryann Ryan, APRN

Psychiatric/Mental Health Nurse Practitioner in Warwick, NY · enumerated 2010.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1336463058

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Registry record

Entity type Individual (Type 1)

Name Maryann Ryan

Credential APRN

Sex Female

Practice address Warwick, NY, 10990

Phone (845) 545-5444

Fax (845) 213-4794

Enumeration date Mar 24, 2010

Last updated in NPPES Jul 30, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F401688 (NY) Primary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NJ00304400 (NJ) Secondary

163W00000X Registered Nurse Nursing Service Providers · License 26NR12128100 (NJ) Secondary

163W00000X Registered Nurse Nursing Service Providers · License 607912-1 (NY) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NJ00304400 (NJ) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F336446 (NY) Secondary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

Other identifiers

Identifier	Type	State	Issuer
1336463058	Other	-	NPI

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Maryann Ryan's NPI record?

Cross-check NPI 1336463058 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1336463058 active?

Yes, as of the latest NPPES snapshot, NPI 1336463058 is active (record last updated 2016-07-30).

Other providers at this practice address

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Ann M. Studer Dc, PC Chiropractor · Warwick, NY NPI 1336454370 Francis Agbo D/B/A Ampa Coach Ambuette Non-emergency Medical Transport (VAN) · Warwick, NY NPI 1538501523 Mileidy Paula Clinical Social Worker · Warwick, NY NPI 1609224948 Maryann Ryan, Nurse Practitioner of Psychiatry Psychiatry Physician · Warwick, NY NPI 1851176002 Clear Thoughts Psychiatry Inc. Psychiatric/Mental Health Nurse Practitioner · Warwick, NY NPI 1912888306

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-30.