Arlene Halstead, FNP
Individual provider Active NPI Psychiatric/Mental Health Nurse Practitioner · Rye Brook, NY
NPI 1821220187 · NPPES record last updated May 22, 2026
Key facts
- NPI
- 1821220187
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License
- 4047 (CT)
- Practice address
- 1186 King St
Rye Brook, NY 10573-1069 - Phone
- (914) 424-3508
- Fax
- (407) 349-1558
- NPI assigned
- Aug 19, 2009
- Sex
- Female
- Sole proprietor
- No
Organizations & group practices 6
Hospital & facility affiliations 1
Medicare Care Compare profile
- Specialty
- Nurse Practitioner
- Education
- Other, 2008
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
5950 NW Hann Dr
Port Saint Lucie, FL 34986-3848
Hospital & facility affiliations
- White Plains Hospital Center
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled (3 enrollments) in CT, NY, FL
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: No
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20091006000039 | CT | Practitioner - Nurse Practitioner | 4587700588 | Practice locations: Danbury, CT |
| I20180329001441 | NY | Practitioner - Nurse Practitioner | 4587700588 | Practice locations: Rye Brook, NY |
| I20251023001519 | FL | Practitioner - Nurse Practitioner | 4587700588 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 335653 | NY | MD | Dermatology Physician |
| 4047 | CT | MD | Primary Care Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Intimate Care Assisted Living Experience LLC | Current | Accepting new patients | |
| A&a Residential Group Services LLC | Current |
Accepting new patients | |
| Ab Transition Care Services LLC | Family | Current |
Accepting new patients |
| Cerebral Palsy of Westchester | Past | Accepting new patients | |
| Cerebral Palsy of Westchester | Past | Accepting new patients | |
| Cerebral Palsy of Westchester | Past | Accepting new patients |
Locations
46 Federal Rd
Ste 2D
Danbury, CT 06810
Phone (914) 439-2205
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Primary Care Nurse Practitioner | 363LP2300X | 4047 | CT | |
| Family Nurse Practitioner | 363LF0000X | 4047 | CT | |
| Family Nurse Practitioner | 363LF0000X | 335653 | NY | |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | 4047 | CT | Yes |
Addresses
Primary practice location
1186 King St
Rye Brook, NY 10573-1069
Mailing address
5950 NW Hann Dr
Port St Lucie, FL 34986-3848
Phone (914) 439-2205
Other practice location 1
46 Federal Rd Ste 2D
Danbury, CT 06810-6191
Phone (914) 439-2205
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00817930 | Medicaid | CT | |
| 119342700 | Medicaid | FL | |
| 03591435 | Medicaid | NY |
Other providers in Rye Brook, NY
- Katherine Buckley Guerin
- Judith Guest Copeland
- Maria Cecilia Guzman-del Castillo
- Paola Guzman
- Jeanne A Halloran
- Barbara Hannigan
- Nellie Harasimowicz
- Vernon Z Harris
- Julie Hartman
- Christen Kimberlee Hawthorne
All providers in Rye Brook, NY · Psychiatric/Mental Health Nurse Practitioner in New York
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on May 22, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.