Ita O'Sullivan, NP
Psychiatric/Mental Health Registered Nurse · Rye, NY
Ita O'Sullivan, NP is a psychiatric/mental health registered nurse with a practice address in Rye, New York, and NPI 1063505220, issued on Oct 2, 2006. Check the license (New York F400205, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ita O'Sullivan
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Registered Nurse 163WP0808X
- License number
- F400205 NY
Self-reported in NPPES; status is on the state search - Practice location
- 16 School St Ste C, Rye, NY 10580
- Phone
- (646) 234-5502
- Enumerated
- Oct 2, 2006
- Record last updated
- Nov 24, 2025
- Fax
- (914) 939-0970
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health registered nurse records → All 1,229 in New York → Look up another NPI →
Also registered at 16 School St Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Allmann, PHDClinical Psychologist1831697176
Verify Ita O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F400205Check 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 registered nurse in 2024
155 Medicare Part D claims for 14 beneficiaries, against an average of 888 among the 242 providers of this specialty who prescribed in Part D.
Most prescribed
- Escitalopram Oxalate33 claims
- Trazodone Hcl18 claims
- Sertraline Hcl15 claims
- Lamotrigine14 claims
- Clozapine Odt13 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.
Ita O'Sullivan among 1,229 psychiatric/mental health registered nurse records in New York
Ita O'Sullivan, NP is one of 1,229 psychiatric/mental health registered nurse records with a practice address in New York. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Registered Nurse providers in New York
There are 1,229 psychiatric/mental health registered nurse records in New York.
All 1,229 in New York → Every provider in Rye → Psychiatric/Mental Health Registered Nurse nationwide →
The 8 psychiatric/mental health registered nurse records with the nearest ZIP codes
- Norma Katz, NP-PPleasantville, NY 105701023106689
- Jeffrey KantTarrytown, NY 105911114561750
- Sandra Brown, PMHNP-BCValhalla, NY 105951518684844
- Edwige LherissonWhite Plains, NY 106011538526421
- Annie Balzer, RNWhite Plains, NY 106051124263264
- Patricia Lamorte, RNWhite Plains, NY 106051194960278
- Mary McKeever, RNWhite Plains, NY 106051063659506
- Penny Parham, R.N.White Plains, NY 106051922243732
Common questions
What is Ita O'Sullivan, NP's NPI number?
Ita O'Sullivan, NP's National Provider Identifier (NPI) is 1063505220, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ita O'Sullivan, NP located?
The NPPES record lists a practice address at 16 School St Ste C, Rye, NY, 10580. Phone: (646) 234-5502. Providers update this record themselves, so call before visiting.
How can I verify Ita O'Sullivan, NP's license?
NPPES lists New York license number F400205, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Ita O'Sullivan, NP prescribe under Medicare Part D?
In 2024, Ita O'Sullivan, NP had 155 Medicare Part D claims for 14 beneficiaries; the average among psychiatric/mental health registered nurse prescribers was 888. 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.