What is Robert Zajac's NPI number?

Robert Zajac's National Provider Identifier (NPI) is 1689757585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robert Zajac's specialty?

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

Where is Robert Zajac located?

Robert Zajac's practice location on file with NPPES is 890 Richard Rd, Dyer, IN 46311-1779.

What is Robert Zajac's phone number?

The practice phone number listed in the NPPES registry for Robert Zajac is (219) 322-1326.

Is Robert Zajac's NPI active?

Yes — Robert Zajac's NPI (1689757585) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Robert Zajac, D.D.S

NPI 1689757585 · Dentist · Dyer, IN

Robert Zajac, D.D.S is a Dentist provider in Dyer, IN (NPI 1689757585).

Provider details

NPI number: 1689757585
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: D.D.S
Sex: Male
Sole proprietor: Yes
License: 12008335 (IN)

Practice location

890 Richard Rd

Ste B

Dyer, IN 46311-1779

Phone: (219) 322-1326

Fax: (219) 322-9986

Street-level locationGet directions

Mailing address

890 Richard Rd

Dyer, IN 46311-1779

Specialties & taxonomies

DentistPrimary122300000XLicense 12008335 (IN)
Dental Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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.

Enumerated: 2006-10-23
Last updated: 2007-07-08

Frequently asked questions

What is Robert Zajac's NPI number?: Robert Zajac's National Provider Identifier (NPI) is 1689757585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Robert Zajac's specialty?: Robert Zajac is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
Where is Robert Zajac located?: Robert Zajac's practice location on file with NPPES is 890 Richard Rd, Dyer, IN 46311-1779.
What is Robert Zajac's phone number?: The practice phone number listed in the NPPES registry for Robert Zajac is (219) 322-1326.
Is Robert Zajac's NPI active?: Yes — Robert Zajac's NPI (1689757585) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions