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PHYLLIS HELEN DIAMOND LCSW
NPI 1992912778
Social Worker - Clinical in New York, NY

Active since May 17, 2007Opted out of Medicare · through Jan 1, 2028
170 W END AVE, SUITE 1S, NEW YORK, NY 10023(212) 724-2353(212) 724-1186 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Phyllis Helen Diamond Lcsw NPPES

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

PHYLLIS HELEN DIAMOND LCSW (NPI 1992912778) is an individual clinical provider in New York, New York, licensed in New York (PR008326-1) and active in the NPI registry since May 2007. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1992912778
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NamePHYLLIS HELEN DIAMONDCredential: LCSW
Location Address170 W END AVE, SUITE 1SNew York, NY 10023-5401
Mailing Address170 W End Ave, Suite 1sNew York, NY 10023-5401 · (212) 724-2353 · Fax (212) 724-1186
Phone(212) 724-2353
Fax(212) 724-1186
Sole ProprietorYes
Enumeration DateMay 17, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1992912778 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 · PR008326-1
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.
170 W END AVE, New York, NY 10023
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Other Identifiers 1

Medicare ID-Type UnspecifiedN47201NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Phyllis Helen Diamond 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, 2018 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2018
Opt-Out In Effect ThroughJanuary 1, 2028Opt-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 10023 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 $65.69 – $198.19
Typical copayment $0.00 (range $16.42 – $49.54)
Most-billed visit code NA
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 5

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

DR. JAYDIRA DEL RIVERO M.D.
Student in an Organized Health Care Education/Training Program
170 W END AVE, APT 26-M
NEW YORK, NY 10023
New York County (646) 207-8265
MR. MARTY BABITS LCSW, BCD
Social Worker (Clinical)
170 W END AVE, SUITE 1K
NEW YORK, NY 10023
New York County (212) 665-5995
VICTOR P IANNUZZI PH.D.
Psychologist
170 W END AVE, STE. 1 K
NEW YORK, NY 10023
New York County (212) 721-1068
ROBIN MICHAEL HAMILTON M.D.
Psychiatry & Neurology (Psychiatry)
170 W END AVE, #1E
NEW YORK, NY 10023
New York County (212) 595-4483
DR. MARGARET SNYDER HAMILTON M.D.
Psychiatry & Neurology (Psychiatry)
170 W END AVE, SUITE 1E
NEW YORK, NY 10023
New York County (212) 580-9576

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 Phyllis Diamond's NPI number?

The NPI number for Phyllis Diamond is 1992912778. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Where is Phyllis Diamond located?

Phyllis Diamond practices at 170 W End Ave Suite 1S, New York, NY 10023. The listed phone number is (212) 724-2353.

What is Phyllis Diamond's specialty?

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

Is Phyllis Diamond enrolled in Medicare?

No. Phyllis Diamond has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Phyllis Diamond was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.