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DR. RUTH B GREER LCSW
NPI 1033328505
Social Worker - Clinical in Rye, NY

Active since May 22, 2007Opted out of Medicare · through Jan 1, 2027
35 PURCHASE ST, RYE, NY 10580(914) 967-1085(914) 967-7076 Get Directions Write a Review

NPPES record last updated: January 28, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ruth B Greer Lcsw NPPES

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

DR. RUTH B GREER LCSW (NPI 1033328505) is an individual clinical provider in Rye, New York, licensed in New York (PR018007-1) and active in the NPI registry since May 2007. She has opted out of Medicare through January 1, 2027.

NPPES Registry Identity

NPI1033328505
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDR. RUTH B GREERCredential: LCSW
Location Address35 PURCHASE STRye, NY 10580-3004
Mailing Address228 North StRye, NY 10580-1520 · (914) 967-7260 · Fax (914) 967-7076
Phone(914) 967-1085
Fax(914) 967-7076
Sole ProprietorYes
Enumeration DateMay 22, 2007
Last NPPES UpdateJanuary 28, 2008
✔ NPI 1033328505 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NY · PR018007-1
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
35 PURCHASE ST, Rye, NY 10580
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Other Identifiers 1

Medicare ID-Type UnspecifiedN13271 RGNY · Provider #

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Ruth B Greer Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2015 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2015
Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10580 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
$0.00 typical visit price
range $67.40 – $203.53
Typical copayment $0.00 (range $16.85 – $50.88)
Most-billed visit code NA
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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 4

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

DR. ALLISON V. DOWNER MD
Psychiatry & Neurology (Psychiatry)
35 PURCHASE ST, 303
RYE, NY 10580
Westchester County (914) 400-9182
JEANNETTE ALICEA
Counselor (Mental Health)
35 PURCHASE ST
RYE, NY 10580
Westchester County (914) 490-6967
SARA GRAY BRAUN LCSW
Social Worker (Clinical)
35 PURCHASE ST
RYE, NY 10580
Westchester County (914) 309-6729
MS. GLORIA DA SILVA VON OISTE LCSW
Social Worker (Clinical)
35 PURCHASE ST, SUITE 203
RYE, NY 10580
Westchester County (914) 954-2309

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 Ruth Greer's NPI number?

The NPI number for Ruth Greer is 1033328505. It was assigned to this individual provider in the NPPES registry on May 22, 2007.

Where is Ruth Greer located?

Ruth Greer practices at 35 Purchase St, Rye, NY 10580. The listed phone number is (914) 967-1085.

What is Ruth Greer's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Ruth Greer enrolled in Medicare?

No. Ruth Greer has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Ruth Greer was last updated on January 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.