What is Anna Griewahn's NPI number?

Anna Griewahn's National Provider Identifier (NPI) is 1124975297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Anna Griewahn's specialty?

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

Where is Anna Griewahn located?

Anna Griewahn's practice location on file with NPPES is 29566 Northwestern Hwy Ste 100, Southfield, MI 48034-1036.

What is Anna Griewahn's phone number?

The practice phone number listed in the NPPES registry for Anna Griewahn is (833) 328-8476.

Is Anna Griewahn's NPI active?

Yes — Anna Griewahn's NPI (1124975297) is active in the NPPES registry as of the last update on 2026-03-16.

IndividualActive

Anna Griewahn

NPI 1124975297 · Behavior Technician · Southfield, MI

Anna Griewahn is a Behavior Technician provider in Southfield, MI (NPI 1124975297).

Provider details

NPI number: 1124975297
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 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

29566 Northwestern Hwy Ste 100

Southfield, MI 48034-1036

Phone: (833) 328-8476

Street-level locationGet directions

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Mailing address