Thomas Harold Artzner, MD
Emergency Medicine Physician · Gridley, CA
Thomas Harold Artzner, MD is an emergency medicine physician with a practice address in Gridley, California, and NPI 1396779732, issued on Jul 10, 2006. Check the license (California G25670, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Harold Artzner
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G25670 CA
Self-reported in NPPES; status is on the state search - Practice location
- 240 Spruce St, Gridley, CA 95948
- Phone
- (530) 846-5671
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 00G256700 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 240 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary FalconerPhysical Therapy Assistant1710492970
- Jennifer GriningGeriatric Physical Therapist1679926232
- George Hayes, MDOrthopaedic Surgery Physician1912902677
- Samantha King, PTAPhysical Therapy Assistant1770002826
Verify Thomas Harold Artzner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G25670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average emergency medicine physician in 2024
37 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Thomas Harold Artzner among 7,751 emergency medicine physician records in California
Thomas Harold Artzner, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 emergency medicine physician records list a practice address in Gridley
They are 2 of the 132 NPPES records with a practice address in Gridley, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Gridley → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rachel Steinhart, MDGridley, CA 959481689754459
- Joseph Britton, M.D.Grass Valley, CA 959451902805831
- David Duncan, M.D.Grass Valley, CA 959451528068459
- Daniel Goldsmith, M.D.Grass Valley, CA 959451598720542
- Andrea Harris, MDGrass Valley, CA 959451154439669
- Matthew Henry, MDGrass Valley, CA 959451437854023
- Roger Hicks, M.D.Grass Valley, CA 959451689605206
- David Hunter, M.D.Grass Valley, CA 959451831199785
Common questions
What is Thomas Harold Artzner, MD's NPI number?
Thomas Harold Artzner, MD's National Provider Identifier (NPI) is 1396779732, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Harold Artzner, MD located?
The NPPES record lists a practice address at 240 Spruce St, Gridley, CA, 95948. Phone: (530) 846-5671. Providers update this record themselves, so call before visiting.
How can I verify Thomas Harold Artzner, MD's license?
NPPES lists California license number G25670, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Harold Artzner, MD prescribe under Medicare Part D?
In 2024, Thomas Harold Artzner, MD had 37 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.