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DR. RYAN JOSEPH MATHER M.D.
NPI 1689105595
Psychiatry & Neurology - Psychiatry in New York, NY

Active since March 22, 2017PECOS Enrolled
317 E 17TH ST, ROOM 9F04, NEW YORK, NY 10003(212) 420-3442 Get Directions Write a Review

NPPES record last updated: November 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 7, 2023, Mar 22, 2017 (2 updates tracked since 2017).

About Dr. Ryan Joseph Mather M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RYAN JOSEPH MATHER M.D. (NPI 1689105595) is an individual psychiatry provider in New York, New York, licensed in New York (296545) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689105595
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. RYAN JOSEPH MATHERCredential: M.D.
Location Address317 E 17TH ST, ROOM 9F04New York, NY 10003-3804
Mailing Address811 Classon Ave, Apt 1dBrooklyn, NY 11238-6130 · (954) 675-6304
Phone(212) 420-3442
Sole ProprietorYes
Enumeration DateMarch 22, 2017
Last NPPES UpdateNovember 7, 20232 updates tracked since enumeration
NPPES CertifiedNovember 7, 2023
✔ NPI 1689105595 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NY · 296545
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
317 E 17TH ST, New York, NY 10003
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ryan Joseph Mather M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ryan Mather reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Fifth Avenue Counseling Center, Inc.
0.4 mi
Community/Behavioral Health
5 EAST 17 STREET, 2 FLOOR
New York, NY 10003
  • Reassigned Medicare billing, New York enrollment
  • 50 clinicians in this Medicare group
NPI 1801037270 (212) 989-2990

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LISA G NEWMAN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
317 E 17TH ST, 7TH FLOOR
NEW YORK, NY 10003
New York County (212) 844-1475
SHOGYOKU BUN M.D.
Student in an Organized Health Care Education/Training Program
317 E 17TH ST, FIERMAN HALL, 9TH FLOOR
NEW YORK, NY 10003
New York County (212) 420-2000
ARTEE ANJALI SRIVASTAVA N.P.
Nurse Practitioner (Family)
317 E 17TH ST, 8TH FLOOR
NEW YORK, NY 10003
New York County (212) 420-3477
JEFFREY BRIAN ANDERSON MD
Psychiatry & Neurology (Psychiatry)
317 E 17TH ST
NEW YORK, NY 10003
New York County (212) 420-2390
KATE NICOLE WARREN DO
Psychiatry & Neurology (Psychiatry)
317 E 17TH ST
NEW YORK, NY 10003
New York County (212) 420-4135
AIDA H SALIBY MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
317 E 17TH ST, 7 FIERMAN HALL
NEW YORK, NY 10003
New York County (212) 420-3917
SUSAN KALLMAN LCSW
Social Worker (Clinical)
317 E 17TH ST, FIRST FLOOR
NEW YORK, NY 10003
New York County (212) 844-1853
MS. ALICE B FOX DRPH, PA-C
Physician Assistant
317 E 17TH ST
NEW YORK, NY 10003
New York County (212) 420-2116

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Mather's NPI number?

The NPI number for Ryan Mather is 1689105595. It was assigned to this individual provider in the NPPES registry on March 22, 2017.

Where is Ryan Mather located?

Ryan Mather practices at 317 E 17th St Room 9f04, New York, NY 10003. The listed phone number is (212) 420-3442.

What is Ryan Mather's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ryan Mather enrolled in Medicare?

Yes. Ryan Mather is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ryan Mather's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Mather reassigns Medicare benefits to The Fifth Avenue Counseling Center, Inc. (New York, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Mather's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ryan Mather was last updated on November 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.