What is Mark Nardone's NPI number?

Mark Nardone's National Provider Identifier (NPI) is 1548133176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Nardone's specialty?

Mark Nardone is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Mark Nardone located?

Mark Nardone's practice location on file with NPPES is 12459 Lewis St Ste 201, Garden Grove, CA 92840-6606.

What is Mark Nardone's phone number?

The practice phone number listed in the NPPES registry for Mark Nardone is (800) 249-1266.

Is Mark Nardone's NPI active?

Yes — Mark Nardone's NPI (1548133176) is active in the NPPES registry as of the last update on 2025-11-14.

IndividualActive

Mark Nardone

NPI 1548133176 · Behavior Technician · Garden Grove, CA

Mark Nardone is a Behavior Technician provider in Garden Grove, CA (NPI 1548133176).

Provider details

NPI number: 1548133176
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

12459 Lewis St Ste 201

Garden Grove, CA 92840-6606

Phone: (800) 249-1266

Street-level locationGet directions

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Mailing address