What is Harold Block's NPI number?

Harold Block's National Provider Identifier (NPI) is 1003907940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harold Block's specialty?

Harold Block is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is Harold Block located?

Harold Block's practice location on file with NPPES is 5189 Clairemont Mesa Blvd, San Diego, CA 92117-1446.

What is Harold Block's phone number?

The practice phone number listed in the NPPES registry for Harold Block is (858) 277-4764.

Is Harold Block's NPI active?

Yes — Harold Block's NPI (1003907940) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Harold Block, D.D.S.

NPI 1003907940 · Dentist · San Diego, CA

Harold Block, D.D.S. is a Dentist provider in San Diego, CA (NPI 1003907940).

Provider details

NPI number: 1003907940
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: D.D.S.
Sex: Male
Sole proprietor: Yes
License: 21093 (CA)

Specialties & taxonomies

DentistPrimary122300000XLicense 21093 (CA)
Dental Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 yrs in NPPES 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

5189 Clairemont Mesa Blvd

San Diego, CA 92117-1446

Phone: (858) 277-4764

Fax: (858) 505-0647

Street-level locationGet directions

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Mailing address