Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Addam Lee Gross, MC, LPC

Mental Health Counselor in Phoenix, AZ · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1164419313

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Registry record

Entity type Individual (Type 1)

Name Mr. Addam Lee Gross

Credential MC, LPC

Sex Male

Practice address 202 E Mcdowell Rd, Phoenix, AZ, 85004

Phone (602) 486-6581

Fax (602) 368-5999

Enumeration date Oct 3, 2005

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License LPC10121 (AZ) Primary

LPC · Licensed Professional Counselor: A licensed mental-health counselor providing psychotherapy. About the LPC credential

Other identifiers

Identifier	Type	State	Issuer
768509	Medicaid	AZ	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1164419313 active?

Yes, as of the latest NPPES snapshot, NPI 1164419313 is active (record last updated 2007-07-09).

How do I verify Addam Gross's NPI record?

Cross-check NPI 1164419313 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Timothy Swift Mental Health Counselor · Phoenix, AZ NPI 1699794362 Lisa Cole Mental Health Counselor · Phoenix, AZ NPI 1760654958 Lawrence Allen Psychologist · Phoenix, AZ NPI 1164759676

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.