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MALLORY MAHONEY
NPI 1851800890
Social Worker - Clinical in New York, NY

Active since September 21, 2017PECOS Enrolled
356 W 18TH ST, NEW YORK, NY 10011(212) 271-7243 Get Directions Write a Review

NPPES record last updated: March 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 27, 2025, Oct 21, 2017, Sep 21, 2017 (3 updates tracked since 2017).

About Mallory Mahoney NPPES

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

MALLORY MAHONEY (NPI 1851800890) is an individual clinical provider in New York, New York, licensed in New York (092272) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1851800890
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMALLORY MAHONEY
Location Address356 W 18TH STNew York, NY 10011-4401
Mailing Address356 W 18th StNew York, NY 10011-4401 · (212) 271-7200
Phone(212) 271-7243
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateSeptember 21, 2017
Last NPPES UpdateMarch 27, 20253 updates tracked since enumeration
NPPES CertifiedMarch 27, 2025
✔ NPI 1851800890 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NY · 092272
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.
Also ListedSocial WorkerTaxonomy 104100000X
356 W 18TH ST, New York, NY 10011
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mallory Mahoney is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133592009
PECOS Enrollment IDI20260112000051
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 Mallory Mahoney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Health Project Inc.
Same address
Federally Qualified Health Center (FQHC)
356 W 18TH ST
New York, NY 10011
  • Reassigned Medicare billing, New York enrollment
  • 105 clinicians in this Medicare group
NPI 1306898432 (212) 271-7280

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 10011 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 20

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

IFEOMA BRENDA OKPALEKE FNP
Nurse Practitioner (Psychiatric/Mental Health)
356 W 18TH ST
NEW YORK, NY 10011
New York County (212) 271-7200
DR. JESSE DAVID BARRETT DDS
Dentist (General Practice)
356 W 18TH ST
NEW YORK, NY 10011
New York County (212) 271-7200
ERICA LEIGHTON TURETT
Social Worker (Clinical)
356 W 18TH ST
NEW YORK, NY 10011
New York County (212) 271-7200
MISS ERIN HERZOG LCSW
Social Worker (Clinical)
356 W 18TH ST
NEW YORK, NY 10011
New York County (212) 271-7206
JULIE UGORETZ
Social Worker (Clinical)
356 W 18TH ST
NEW YORK, NY 10011
New York County (347) 693-5422
PETER J MEACHER MD
Family Medicine
356 W 18TH ST
NEW YORK, NY 10011
New York County (212) 271-7173
KATHERINE TAVERAS LCSW-R
Social Worker (Clinical)
356 W 18TH ST
NEW YORK, NY 10011
New York County (212) 271-7200
DAWN PAGE RN, BSN
Registered Nurse (Psychiatric/Mental Health)
356 W 18TH ST
NEW YORK, NY 10011
New York County (212) 271-7200

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 Mallory Mahoney's NPI number?

The NPI number for Mallory Mahoney is 1851800890. It was assigned to this individual provider in the NPPES registry on September 21, 2017.

Where is Mallory Mahoney located?

Mallory Mahoney practices at 356 W 18th St, New York, NY 10011. The listed phone number is (212) 271-7243.

What is Mallory Mahoney's specialty?

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

Is Mallory Mahoney enrolled in Medicare?

Yes. Mallory Mahoney is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mallory Mahoney's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mallory Mahoney reassigns Medicare benefits to Community Health Project Inc. (New York, 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 Mallory Mahoney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mallory Mahoney was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.