Sean James Ryan, RN
Family Nurse Practitioner · Brewster, NY
Sean James Ryan, RN is a family nurse practitioner with a practice address in Brewster, New York, and NPI 1467090589, issued on Dec 19, 2019. Check the license (New York F345408, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sean James Ryan
- Credential
- RN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- F345408 NY
724561 NY
Self-reported in NPPES; status is on the state search - Practice location
- 111 Clock Tower Cmns, Brewster, NY 10509
- Phone
- (845) 279-5187
- Enumerated
- Dec 19, 2019
- Record last updated
- Apr 2, 2026
- Fax
- (855) 703-7570
- Medicaid ID
- 05954105 NY
- Medicare enrollment
- Enrolled (PECOS I20200527001471); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 111 Clock Tower Cmns
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Castiglia, M.D.Family Medicine Physician1457326845
- Maddipoti Choudry, M.D.Cardiovascular Disease Physician1053398495
- Justin Chua, MDFamily Medicine Physician1154856755
- Nicole Cruci, NPFamily Nurse Practitioner1710348263
- Bernadette Dwyer, NPFamily Nurse Practitioner1336523851
- Jamie FontanaPhysician Assistant1396507711
Verify Sean James Ryan 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 F345408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average family nurse practitioner in 2024
347 Medicare Part D claims for 247 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone44 claims
- Amoxicillin-Clavulanate Potass30 claims
- Albuterol Sulfate Hfa23 claims
- Doxycycline Hyclate21 claims
- Azithromycin16 claims
- Cephalexin16 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.
Bills Medicare through 2 group practices
- Northern Medical Group, PLLCBrewster, NY
- Urgent Care Medical Associates, LLCNewtown, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean James Ryan among 14,805 family nurse practitioner records in New York
Sean James Ryan, RN is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 52% of them.
- NPI issued2019 · 52% of these records are older, 42% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2019 · median 2019 among the 7,239 with a school on file
- Record last updated2026 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 family nurse practitioner records list a practice address in Brewster
They are 14 of the 577 NPPES records with a practice address in Brewster, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Brewster → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ana Ballen, NPBrewster, NY 105091073108999
- Nicole Cruci, NPBrewster, NY 105091710348263
- Leeanne Di Russo, FNPBrewster, NY 105091356811269
- Bernadette Dwyer, NPBrewster, NY 105091336523851
- Jennifer FlahertyBrewster, NY 105091245719350
- Alexandra Gavalo-Yacco, DNP, FNP-BCBrewster, NY 105091639787955
- Elissa Granata, APRNBrewster, NY 105091710854641
- Kristie Guarino, FNPBrewster, NY 105091528922028
Common questions
What is Sean James Ryan, RN's NPI number?
Sean James Ryan, RN's National Provider Identifier (NPI) is 1467090589, issued on Dec 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Sean James Ryan, RN located?
The NPPES record lists a practice address at 111 Clock Tower Cmns, Brewster, NY, 10509. Phone: (845) 279-5187. Providers update this record themselves, so call before visiting.
How can I verify Sean James Ryan, RN's license?
NPPES lists New York license number F345408, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Sean James Ryan, RN prescribe under Medicare Part D?
In 2024, Sean James Ryan, RN had 347 Medicare Part D claims for 247 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.