Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MALLORY EPSTEIN
NPI 1821718073
Social Worker in Scottsdale, AZ

Q: What is Mallory Epstein's NPI number?

The NPI number for Mallory Epstein is 1821718073. It was assigned to this individual provider in the NPPES registry on August 29, 2022.

Q: What is Mallory Epstein's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: Is Mallory Epstein enrolled in Medicare?

No. Mallory Epstein has opted out of Medicare through May 23, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Mallory Epstein was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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 August 29, 2022Opted out of Medicare · through May 23, 2028

4913 E ACOMA DR, SCOTTSDALE, AZ 85254(602) 377-4389 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 9, 2026, Aug 29, 2022 (2 updates tracked since 2022).

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About Mallory Epstein NPPES

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

MALLORY EPSTEIN (NPI 1821718073) is an individual social worker in Scottsdale, Arizona, licensed in Arizona (LCSW-22291) and active in the NPI registry since August 2022. She has opted out of Medicare through May 23, 2028.

NPPES Registry Identity

NPI1821718073

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMALLORY EPSTEIN

Location Address4913 E ACOMA DRScottsdale, AZ 85254-2222

Mailing Address4913 E Acoma DrScottsdale, AZ 85254-2222 · (602) 377-4389

Phone(602) 377-4389

Sole ProprietorYes

Enumeration DateAugust 29, 2022

Last NPPES UpdateSeptember 9, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2026

✔ NPI 1821718073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in AZ · LCSW-22291

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 128487 (MA)

4913 E ACOMA DR, Scottsdale, AZ 85254

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Plan, Inc., UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Mallory Epstein 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 May 23, 2024 through May 23, 2028.

Opt-Out Effective DateMay 23, 2024

Opt-Out In Effect ThroughMay 23, 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.

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 Epstein's NPI number?

The NPI number for Mallory Epstein is 1821718073. It was assigned to this individual provider in the NPPES registry on August 29, 2022.

Where is Mallory Epstein located?

Mallory Epstein practices at 4913 E Acoma Dr, Scottsdale, AZ 85254. The listed phone number is (602) 377-4389.

What is Mallory Epstein's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Mallory Epstein enrolled in Medicare?

No. Mallory Epstein has opted out of Medicare through May 23, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Mallory Epstein accept?

Health plans from Oscar Health Plan, Inc. and UnitedHealthcare list Mallory Epstein 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 Mallory Epstein was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.