1. Home
  2. Directory
  3. New York
  4. Stony Brook
  5. Psychologist
  6. NPI Profile

JIMMY K MASTER PSYD
NPI 1164079802
Psychologist - Clinical in Stony Brook, NY

Active since August 19, 2019PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
100 NICOLLS RD, STONY BROOK, NY 11794(631) 632-9510(631) 632-5870 Get Directions Write a Review

NPPES record last updated: August 19, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jimmy K Master Psyd NPPES

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

JIMMY K MASTER PSYD (NPI 1164079802) is an individual clinical provider in Stony Brook, New York, licensed in New York (P13072) and active in the NPI registry since August 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1164079802
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameJIMMY K MASTERCredential: PSYD
Location Address100 NICOLLS RDStony Brook, NY 11794-0001
Mailing AddressPo Box 1554Stony Brook, NY 11790-0988 · (631) 444-2990
Phone(631) 632-9510
Fax(631) 632-5870
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 19, 2019
✔ NPI 1164079802 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in NY · P13072
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
100 NICOLLS RD, Stony Brook, NY 11794
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jimmy K Master Psyd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173853272
PECOS Enrollment IDI20191002001096
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 Jimmy Master reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stony Brook Psychiatric Associates, University Faculty Practice Corpor
0.3 mi
Psychiatry
SUNY @ STONY BROOK, HSC, L10, RM 020
Stony Brook, NY 11794
  • Reassigned Medicare billing, New York enrollment
  • 133 clinicians in this Medicare group
NPI 1437105905 (631) 444-8125

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 11794 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

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.

MALWINA WLOCH M.D.
Anesthesiology
100 NICOLLS RD, SUNY AT STONY BROOK - DEPARTMENT OF ANESTHESIOLOGY
STONY BROOK, NY 11794
Suffolk County (631) 444-2968
CHABIDOU SAMPAIN FNP
Psychiatry & Neurology (Geriatric Psychiatry)
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 358-1423
KATLYN ANN CONVILLE ANTHONY NP
Nurse Practitioner (Family)
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 689-8333
MISS KAITLYN SBROLLINI
Student in an Organized Health Care Education/Training Program
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 331-6388
DR. RASAN KASHYAP CHERALA MD
Internal Medicine
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (425) 753-8665
EMILY GRACE DEEHAN
Specialist/Technologist (Athletic Trainer)
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 632-6000
CINDY LIN
Physician Assistant
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 632-6000
DR. MUHAMMAD IBRAHIM CHOUDRY MD
Anesthesiology
100 NICOLLS RD, HEALTH SCIENCES CENTER L4-060 (Z8480)
STONY BROOK, NY 11794
Suffolk County (631) 444-2975

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 Jimmy Master's NPI number?

The NPI number for Jimmy Master is 1164079802. It was assigned to this individual provider in the NPPES registry on August 19, 2019.

Where is Jimmy Master located?

Jimmy Master practices at 100 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 632-9510.

What is Jimmy Master's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Jimmy Master enrolled in Medicare?

Yes. Jimmy Master is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jimmy Master's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jimmy Master reassigns Medicare benefits to Stony Brook Psychiatric Associates, University Faculty Practice Corpor (Stony Brook, 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 Jimmy Master's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jimmy Master accept?

Health plans from Oscar Health list Jimmy Master as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jimmy Master was last updated on August 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.