DR. LIANA DIAMOND PSYD
NPI 1356812333
Psychologist - Clinical in New York, NY

Q: What is Liana Diamond's NPI number?

The NPI number for Liana Diamond is 1356812333. It was assigned to this individual provider in the NPPES registry on December 17, 2018.

Q: What is Liana Diamond's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Liana Diamond was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.

Active since December 17, 2018PECOS EnrolledAccepts Medicare Assignment

1 PARK AVE FL 8, NEW YORK, NY 10016(212) 263-7419 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 9, 2025, Dec 17, 2018 (2 updates tracked since 2018).

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About Dr. Liana Diamond Psyd NPPES

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

DR. LIANA DIAMOND PSYD (NPI 1356812333) is an individual clinical provider in New York, New York, licensed in New York (0230381) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1356812333

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. LIANA DIAMONDCredential: PSYD

Location Address1 PARK AVE FL 8New York, NY 10016-5802

Mailing Address1880 Palmer Ave Apt 6jLarchmont, NY 10538-3071 · (914) 584-1970

Phone(212) 263-7419

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateDecember 17, 2018

Last NPPES UpdateJuly 9, 20252 updates tracked since enumeration

NPPES CertifiedJuly 9, 2025

✔ NPI 1356812333 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 · 0230381

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.

1 PARK AVE FL 8, New York, NY 10016

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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Liana Diamond 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 ID4183960800

PECOS Enrollment IDI20190116002160

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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832

Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.

480 services28 patients

Psychiatric services complicated by communication factor 90785

Psychiatric services complicated by communication factors involve mental health care for individuals who have challenges with communication. This can include language barriers, speech disorders, or cognitive impairments. The process involves tailored strategies to ensure effective communication and appropriate mental health care.

115 services21 patients

Psychotherapy, 45 minutes 90834

Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.

58 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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

$114.88 typical visit price

range $21.20 – $160.66

Typical copayment $28.72 (range $5.30 – $40.16)

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.

ADAM DEAN MANDEL PHD

Psychologist (Clinical)