Gregory G. Steiner, DDS
Periodontics · Santa Rosa, CA
Gregory G. Steiner, DDS is a periodontics with a practice address in Santa Rosa, California, and NPI 1306048608, issued on May 31, 2007. Check the license (California 26706, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory G. Steiner
- Credential
- DDS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 26706 CA
Self-reported in NPPES; status is on the state search - Practice location
- 90 Doctors Park Dr # A, Santa Rosa, CA 95405
- Phone
- (707) 545-0944
- Enumerated
- May 31, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 545-0947
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Also registered at 90 Doctors Park Dr # A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Earl Burrell, D.D.S.General Practice Dentistry1841494242
- Warren Francis, D.D.S.General Practice Dentistry1952321838
Verify Gregory G. Steiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 26706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average periodontics in 2024
138 Medicare Part D claims for 47 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin60 claims
- Diclofenac Potassium37 claims
- Clindamycin Hcl16 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.
Gregory G. Steiner among 929 periodontics records in California
Gregory G. Steiner, DDS is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Santa Rosa → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Walter Dickinson, D.M.D.Santa Rosa, CA 954051689892572
- Richard Jenderseck, D.D.S,Santa Rosa, CA 954051881812766
- Patricia Murray, D.M.D. PH.D.Santa Rosa, CA 954051295941474
- Raime Shah, DDS, MSSanta Rosa, CA 954051518568138
- Jay Uemura, D.D.S.Santa Rosa, CA 954051801958558
- Christine Ford, D.D.SSanta Rosa, CA 954041720174592
- Paul Steigerwald, D.D.S.Santa Rosa, CA 954041013047497
- Sonali Acharya, BDS, MDS, DMDSanta Rosa, CA 954071396418604
Common questions
What is Gregory G. Steiner, DDS's NPI number?
Gregory G. Steiner, DDS's National Provider Identifier (NPI) is 1306048608, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory G. Steiner, DDS located?
The NPPES record lists a practice address at 90 Doctors Park Dr # A, Santa Rosa, CA, 95405. Phone: (707) 545-0944. Providers update this record themselves, so call before visiting.
How can I verify Gregory G. Steiner, DDS's license?
NPPES lists California license number 26706, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory G. Steiner, DDS prescribe under Medicare Part D?
In 2024, Gregory G. Steiner, DDS had 138 Medicare Part D claims for 47 beneficiaries; the average among periodontics prescribers was 277. 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.