YEVGENIA MASTYAYEVA PH.D., LCSW
NPI 1194814756
Psychologist - Clinical in Brooklyn, NY

Q: What is Yevgenia Mastyayeva's NPI number?

The NPI number for Yevgenia Mastyayeva is 1194814756. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Q: What is Yevgenia Mastyayeva's specialty?

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

Active since October 12, 2006PECOS Enrolled

2020 CONEY ISLAND AVE, JBFCS, MID-BROOKLYN CLINIC, BROOKLYN, NY 11223(718) 676-4230(718) 676-4216 Get Directions Write a Review

NPPES record last updated: June 21, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Yevgenia Mastyayeva Ph.d., Lcsw NPPES

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

YEVGENIA MASTYAYEVA PH.D., LCSW (NPI 1194814756) is an individual clinical provider in Brooklyn, New York, licensed in New York (018503-1) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194814756

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameYEVGENIA MASTYAYEVACredential: PH.D., LCSW

Location Address2020 CONEY ISLAND AVE, JBFCS, MID-BROOKLYN CLINICBrooklyn, NY 11223-2329

Mailing Address5110 12th AveBrooklyn, NY 11219-3424 · (800) 275-3243 · Fax (800) 275-3671

Phone(718) 676-4230

Fax(718) 676-4216

Sole ProprietorNo

Enumeration DateOctober 12, 2006

Last NPPES UpdateJune 21, 2010

✔ NPI 1194814756 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in NY · 018503-1

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.

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 046116 (NY)

2020 CONEY ISLAND AVE, Brooklyn, NY 11223

Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type UnspecifiedN8B441NY

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 (PECOS)

Yevgenia Mastyayeva Ph.d., Lcsw 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 Reassignments

Medicare enrollment records show Yevgenia Mastyayeva reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Knapp Street Psychiatry, PC

1.9 mi

Clinical

2433 KNAPP ST STE 306
Brooklyn, NY 11235

Reassigned Medicare billing, New York enrollment
436 clinicians in this Medicare group

NPI 1043248776 (888) 515-3834

Che Senior Psychological Services, PC

6.2 mi

Clinical

300 CADMAN PLZ W
Brooklyn, NY 11201

Reassigned Medicare billing, New York enrollment
457 clinicians in this Medicare group

NPI 1023078219 (888) 515-3834

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 11223 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.

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.

SARAH GEIS

Student in an Organized Health Care Education/Training Program

2020 CONEY ISLAND AVE
BROOKLYN, NY 11223

Kings County (718) 676-4266

GRIMALDI MARTINEZ

Counselor (Mental Health)

2020 CONEY ISLAND AVE
BROOKLYN, NY 11223

Kings County (718) 676-4211

MR. DAVID BROWN LMSW

Social Worker

2020 CONEY ISLAND AVE
BROOKLYN, NY 11223

Kings County (718) 676-4280

MRS. ELINA KESLER-SERRANO LMSW

Social Worker (Clinical)

2020 CONEY ISLAND AVE, FIRST FLOOR
BROOKLYN, NY 11223

Kings County (718) 676-4248

BRENDA RIVKY LANDAU LCSW

Social Worker

2020 CONEY ISLAND AVE
BROOKLYN, NY 11223

Kings County (718) 676-4207

MARINA DAVYDOV LMSW

Social Worker

2020 CONEY ISLAND AVE
BROOKLYN, NY 11223

Kings County (718) 676-4280

MS. NATALIYA ZVYAGINA CASE ASSOCIATE

Counselor (Mental Health)

2020 CONEY ISLAND AVE
BROOKLYN, NY 11223

Kings County (718) 676-4260

ZEV ELMAN LMSW

Social Worker

2020 CONEY ISLAND AVE
BROOKLYN, NY 11223

Kings County (718) 676-4210

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 Yevgenia Mastyayeva's NPI number?

The NPI number for Yevgenia Mastyayeva is 1194814756. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is Yevgenia Mastyayeva located?

Yevgenia Mastyayeva practices at 2020 Coney Island Ave Jbfcs, Mid-Brooklyn Clinic, Brooklyn, NY 11223. The listed phone number is (718) 676-4230.

What is Yevgenia Mastyayeva's specialty?

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

Is Yevgenia Mastyayeva enrolled in Medicare?

Yes. Yevgenia Mastyayeva is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Yevgenia Mastyayeva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yevgenia Mastyayeva reassigns Medicare benefits to 2 organizations: Knapp Street Psychiatry, PC (Brooklyn, NY) and Che Senior Psychological Services, PC (Brooklyn, NY). Each 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 Yevgenia Mastyayeva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yevgenia Mastyayeva accept?

Health plans from Oscar Health list Yevgenia Mastyayeva 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 Yevgenia Mastyayeva was last updated on June 21, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.