What is Sanford Block's NPI number?

Sanford Block's National Provider Identifier (NPI) is 1174660872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sanford Block's specialty?

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

Where is Sanford Block located?

Sanford Block's practice location on file with NPPES is 5145 N California Ave, Chicago, IL 60625-3661.

What is Sanford Block's phone number?

The practice phone number listed in the NPPES registry for Sanford Block is (773) 989-1608.

Is Sanford Block's NPI active?

Yes — Sanford Block's NPI (1174660872) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Sanford Block, DDS

NPI 1174660872 · Dentist · Chicago, IL

Sanford Block, DDS is a Dentist provider in Chicago, IL (NPI 1174660872).

Provider details

NPI number: 1174660872
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: DDS
Sex: Male
Sole proprietor: No

Specialties & taxonomies

DentistPrimary122300000X
Dental Providers

Profile Score

Detailed profile(83/100 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
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

5145 N California Ave

Chicago, IL 60625-3661

Phone: (773) 989-1608

Fax: (773) 989-1625

Approximate (ZIP-level) locationGet directions

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Mailing address