Active NPI
Sean James Ryan, RN
- Family Nurse Practitioner
- Brewster, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- F345408
- Practice address
- 111 Clock Tower CMNS
Brewster, NY 10509-4055 - Phone
- (845) 279-5187
- Fax
- (855) 703-7570
- NPI assigned
- Dec 19, 2019
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | 724561 | NY | |
| Family Nurse Practitioner | 363LF0000X | F345408 | NY | Primary |
Addresses
Primary practice location
111 Clock Tower CMNS
Brewster, NY 10509-4055
Mailing address
11 Aspen Rd
Hopewell Junction, NY 12533-6234
Phone (914) 618-0907
Other practice location 1
667 Stoneleigh Ave Ste 117
Carmel, NY 10512-2455
Phone (845) 279-5187
Other practice location 2
888 Route 6
Mahopac, NY 10541-6201
Phone (845) 279-5187
Other practice location 3
129 Clove Branch Rd
Hopewell Junction, NY 12533-5284
Phone (845) 279-5187
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 05954105 | Medicaid | NY |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY, CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
111 Clock Towe CMNS
Brewster, NY 10509-4055
Phone (845) 279-5187
266 S Main St
Newtown, CT 06470-6706
Phone (860) 650-3848
80 Route 6
Suite 704 705
Baldwin Place, NY 10505-1026
Phone (860) 650-3848
Hospital & facility affiliations
- Putnam Hospital Center
- Vassar Brothers Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner, Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 724561 | NY | MD | Registered Nurse |
| F345408 | NY | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Urgent Care Medical of New York, LLC | Current | Accepting new patients | |
| Urgent Care Medical Associates, LLC | Family | Current | Accepting new patients |
| Optum Medical Care, P.C. | Current | Accepting new patients | |
| Northern Hudson Valley Medical PLLC | Current | Accepting new patients | |
| Optum Medical Care, P.C. | Current | Accepting new patients | |
| Northern Medical Group, PLLC | Current | Accepting new patients | |
| WRK Ventures, LLC | Past | Accepting new patients |
Locations
31 Old Route 7
Brookfield, CT 06804
Phone (203) 262-1911
266 S Main St
Newtown, CT 06470
Phone (203) 270-9000
900 Main St S
Ste 100
Southbury, CT 06488
Phone (203) 262-1911
80 Route 6
Ste 704705
Baldwin Place, NY 10505
Phone (475) 253-2599
111 Clock Tower Cmns
Brewster, NY 10509
Phone (845) 592-4915
667 Stoneleigh Ave
Ste 117
Carmel, NY 10512
Phone (845) 230-5178
129 Clove Branch Rd
Hopewell Junction, NY 12533
Phone (845) 223-3050
111 Bedford Rd
Katonah, NY 10536
Phone (914) 232-3135
888 Route 6
Mahopac, NY 10541
Phone (845) 628-1492
90 S Bedford Rd
Mount Kisco, NY 10549
Phone (914) 242-1050
110 S Bedford Rd
Mount Kisco, NY 10549
Phone (763) 910-9192
342 Route 202
Somers, NY 10589
Phone (914) 277-4448
Philadelphia, PA 19195
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/CJAHCA
- sryan714191@direct.ynhh.org
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Brewster, NY
- NPI 1174994826
-
- Urgent Care Clinic/Center
- Baldwin Place, NY
- NPI 1154866879
-
- Cardiovascular Disease Physician
- Brewster, NY
- NPI 1376337683
-
- Cardiovascular Disease Physician
- Mount Kisco, NY
- NPI 1982643003
-
- Durable Medical Equipment & Medical Supplies
- New Hyde Park, NY
- NPI 1053190595
-
- Urgent Care Clinic/Center
- Southbury, CT
- NPI 1194993980
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Carmel, NY
- NPI 1972557379
-
- General Acute Care Hospital
- Poughkeepsie, NY
- NPI 1740233899
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1576713600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775088000000",
"number": "1467090589",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "11 ASPEN RD",
"city": "HOPEWELL JUNCTION",
"state": "NY",
"postal_code": "125336234",
"telephone_number": "914-618-0907",
"fax_number": "855-703-7570"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "111 CLOCK TOWER CMNS",
"city": "BREWSTER",
"state": "NY",
"postal_code": "105094055",
"telephone_number": "845-279-5187",
"fax_number": "855-703-7570"
}
],
"practiceLocations": [
{
"address_1": "667 Stoneleigh Ave Ste 117",
"address_purpose": "LOCATION",
"city": "Carmel",
"state": "NY",
"postal_code": "105122455",
"country_code": "US",
"telephone_number": "845-279-5187",
"fax_number": "855-703-7570",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "888 Route 6",
"address_purpose": "LOCATION",
"city": "Mahopac",
"state": "NY",
"postal_code": "105416201",
"country_code": "US",
"telephone_number": "845-279-5187",
"fax_number": "855-703-7570",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "129 Clove Branch Rd",
"address_purpose": "LOCATION",
"city": "Hopewell Junction",
"state": "NY",
"postal_code": "125335284",
"country_code": "US",
"telephone_number": "845-279-5187",
"fax_number": "855-703-7570",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "RYAN",
"first_name": "SEAN",
"middle_name": "JAMES",
"credential": "RN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-12-19",
"last_updated": "2026-04-02",
"certification_date": "2026-04-02",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "NY",
"license": "724561",
"primary": false
},
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "NY",
"license": "F345408",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "05954105",
"state": "NY"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Brewster, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.