Ryan Joseph Mather, M.D.
Psychiatry Physician · New York, NY
Ryan Joseph Mather, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1689105595, issued on Mar 22, 2017. Check the license (New York 296545, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ryan Joseph Mather
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 296545 NY
Self-reported in NPPES; status is on the state search - Practice location
- 317 E 17TH St, New York, NY 10003
- Phone
- (212) 420-3442
- Enumerated
- Mar 22, 2017
- Record last updated
- Nov 7, 2023
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 317 E 17TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelita Alston Jones, PAMedical Physician Assistant1912164237
- Helena Aminov, RN/CDENurse Practitioner1457691529
- Jeffrey Anderson, MDPsychiatry Physician1043717192
- Kenneth Ashley, MDPsychiatry Physician1649307273
- Julie Baron, LCSWClinical Social Worker1659759561
- Randi Brook, MS, RD, CDE, CDNRegistered Dietitian1386818573
Verify Ryan Joseph Mather in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 296545Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
24 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clozapine12 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.
Ryan Joseph Mather among 6,589 psychiatry physician records in New York
Ryan Joseph Mather, M.D. is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 82% of them.
- NPI issued2017 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2023 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in New York → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Henry Chung, M.D.New York, NY 100031841275518
- Laura Dalheim, MDNew York, NY 100031386681641
- Herbert Fox, MDNew York, NY 100031992748271
- Guy Glass, MDNew York, NY 100031982606018
- David Klahr, MDNy, NY 100031386608529
- Melinda Lantz, MDNew York, NY 100031295733715
- Stephen Malach, M.D.New York, NY 100031407899347
- Michael Murphy, MDNew York, NY 100031821055419
Common questions
What is Ryan Joseph Mather, M.D.'s NPI number?
Ryan Joseph Mather, M.D.'s National Provider Identifier (NPI) is 1689105595, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Joseph Mather, M.D. located?
The NPPES record lists a practice address at 317 E 17TH St, New York, NY, 10003. Phone: (212) 420-3442. Providers update this record themselves, so call before visiting.
How can I verify Ryan Joseph Mather, M.D.'s license?
NPPES lists New York license number 296545, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Joseph Mather, M.D. prescribe under Medicare Part D?
In 2024, Ryan Joseph Mather, M.D. had 24 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.