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GROSSMAN & GROSSMAN, LTD.
NPI 1851711840
Community/Behavioral Health in Gilbert, AZ

Active since April 17, 2014
3420 S MERCY RD STE 109, GILBERT, AZ 85297(602) 468-2077 Get Directions Write a Review

NPPES record last updated: August 11, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Grossman & Grossman, Ltd. NPPES

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

GROSSMAN & GROSSMAN, LTD. (NPI 1851711840) is a healthcare organization registered as a community/behavioral health in Gilbert, Arizona and active in the NPI registry since April 2014. The organization lists Phyllis A Grossman, Administrative Director, as its authorized official.

NPPES Registry Identity

NPI1851711840
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameGROSSMAN & GROSSMAN, LTD.
Location Address3420 S MERCY RD STE 109Gilbert, AZ 85297-0420
Mailing AddressPo Box 14948Scottsdale, AZ 85267-4948 · (602) 468-2077 · Fax (480) 609-9552
Phone(602) 468-2077
Organization SubpartNo
Authorized OfficialPhyllis A GrossmanAdministrative Director · (602) 410-6635
Enumeration DateApril 17, 2014
Last NPPES UpdateAugust 11, 2022
NPPES CertifiedAugust 11, 2022
✔ NPI 1851711840 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
License✔ Licensed in AZ · OTC5871
Definition
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.
3420 S MERCY RD STE 109, Gilbert, AZ 85297
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Other Identifiers 1

Medicaid913430AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grossman & Grossman, Ltd. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Grossman & Grossman, Ltd., which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Zita Schiller, DNP
Nurse Practitioner
NPI 1427355593
1300 N 12TH ST
Phoenix, AZ 85006
(480) 698-6711
✔ PECOS21 mi
Ann Guthery, PSY NP
Nurse Practitioner
NPI 1902897168
10000 N 31ST AVE A-105
Phoenix, AZ 85051
(602) 843-0000
✔ PECOS✔ Accepts Medicare30 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Grossman & Grossman, Ltd.'s NPI number?

The NPI number for Grossman & Grossman, Ltd. is 1851711840. It was assigned to this organization in the NPPES registry on April 17, 2014.

Where is Grossman & Grossman, Ltd. located?

Grossman & Grossman, Ltd. is located at 3420 S Mercy Rd Ste 109, Gilbert, AZ 85297. The listed phone number is (602) 468-2077.

What is Grossman & Grossman, Ltd.'s specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Grossman & Grossman, Ltd. enrolled in Medicare?

Yes. Grossman & Grossman, Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Grossman & Grossman, Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Grossman & Grossman, Ltd.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Grossman & Grossman, Ltd. accept?

Health plans from Blue Cross Blue Shield of Arizona list Grossman & Grossman, Ltd. 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 Grossman & Grossman, Ltd. was last updated on August 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.