NPPES file of Aug 9, 2026

Grant A. Irwin, DDS

General Practice Dentistry · Sacramento, CA

Grant A. Irwin, DDS is a general practice dentistry with a practice address in Sacramento, California, and NPI 1639228802, issued on Jan 9, 2007. Check the license (California 32470, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639228802
Name
Grant A. Irwin
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
32470 CA
Self-reported in NPPES; status is on the state search
Practice location
2 Scripps Dr, Sacramento, CA 95825
Phone
(916) 929-0331
Enumerated
Jan 9, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(916) 929-2430
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →

Also registered at 2 Scripps Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kosta Adams, DDS, MAGD, FICOIGeneral Practice Dentistry1356490981
  2. Kristen Adams, DDSGeneral Practice Dentistry1881945616
  3. John Delavega, M.D.Diagnostic Radiology Physician1326045212
  4. David Goller, M.D.Vascular & Interventional Radiology Physician1992702088
  5. Andrew Grivas, DDSGeneral Practice Dentistry1255408928
  6. Daniel Jones, D.D.S.General Practice Dentistry1093798464

Verify Grant A. Irwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 32470    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Grant A. Irwin among 17,852 general practice dentistry records in California

Grant A. Irwin, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileNo · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

406 general practice dentistry records list a practice address in Sacramento

They are 406 of the 33,083 NPPES records with a practice address in Sacramento, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,852 in California → Every provider in Sacramento → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Annie Barnes, D.D.S.Sacramento, CA 958251801815873
  2. Friz Diaz, DDSSacramento, CA 958251467564625
  3. Anthony Digiorno, D.D.S.Sacramento, CA 958251811915044
  4. Julianne Digiorno, D.D.S, R.D.Sacramento, CA 958251518075035
  5. Daniel Jones, D.D.S.Sacramento, CA 958251093798464
  6. Terrence Jones, D.D.S.Sacramento, CA 958251861413460
  7. George Kingsley, D.D.S.Sacramento, CA 958251447272893
  8. Robert Koch, D.D.S.Sacramento, CA 958251821104555

Common questions

What is Grant A. Irwin, DDS's NPI number?

Grant A. Irwin, DDS's National Provider Identifier (NPI) is 1639228802, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Grant A. Irwin, DDS located?

The NPPES record lists a practice address at 2 Scripps Dr, Sacramento, CA, 95825. Phone: (916) 929-0331. Providers update this record themselves, so call before visiting.

How can I verify Grant A. Irwin, DDS's license?

NPPES lists California license number 32470, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.