What is Grant Irwin's NPI number?

Grant Irwin's National Provider Identifier (NPI) is 1639228802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Grant Irwin's specialty?

Grant Irwin is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is Grant Irwin located?

Grant Irwin's practice location on file with NPPES is 2 Scripps Dr, Sacramento, CA 95825-6207.

What is Grant Irwin's phone number?

The practice phone number listed in the NPPES registry for Grant Irwin is (916) 929-0331.

Is Grant Irwin's NPI active?

Yes — Grant Irwin's NPI (1639228802) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Grant Irwin, DDS

NPI 1639228802 · General Practice Dentistry · Sacramento, CA

Grant Irwin, DDS is a General Practice Dentistry provider in Sacramento, CA (NPI 1639228802).

Provider details

NPI number: 1639228802
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: DDS
Sex: Male
Sole proprietor: Yes
License: 32470 (CA)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 32470 (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

2 Scripps Dr

Suite 206

Sacramento, CA 95825-6207

Phone: (916) 929-0331

Fax: (916) 929-2430

Street-level locationGet directions

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Mailing address