What is Karen Black's NPI number?

Karen Black's National Provider Identifier (NPI) is 1902740954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Karen Black's specialty?

Karen Black is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Karen Black located?

Karen Black's practice location on file with NPPES is 15431 N 39th St, Phoenix, AZ 85032-4028.

What is Karen Black's phone number?

The practice phone number listed in the NPPES registry for Karen Black is (480) 658-9666.

Is Karen Black's NPI active?

Yes — Karen Black's NPI (1902740954) is active in the NPPES registry as of the last update on 2026-04-17.

IndividualActive

Karen Black

NPI 1902740954 · Registered Dietitian · Phoenix, AZ

Karen Black is a Registered Dietitian provider in Phoenix, AZ (NPI 1902740954).

Provider details

NPI number: 1902740954
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Sex: Female
Sole proprietor: No
License: 86052428 (AZ)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 86052428 (AZ)
Dietary & Nutritional Service Providers

Profile Score

Established profile(53/100 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
100% 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

15431 N 39th St

Phoenix, AZ 85032-4028

Phone: (480) 658-9666

Street-level locationGet directions

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Mailing address