Steven Lloyd Ryan, DDS, MS
Endodontics · Danville, CA
Steven Lloyd Ryan, DDS, MS is an endodontics with a practice address in Danville, California, and NPI 1326122979, issued on Oct 24, 2006. Check the license (California 51995, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven Lloyd Ryan
- Credential
- DDS, MS
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 51995 CA
Self-reported in NPPES; status is on the state search - Practice location
- 903 San Ramon Valley Blvd, Danville, CA 94526
- Phone
- (209) 256-1507
- Enumerated
- Oct 24, 2006
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (925) 552-0493
- Entity
- Type 1 · individual
8 nearest endodontics records → All 1,018 in California → Look up another NPI →
Also registered at 903 San Ramon Valley Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Kriston, D.D.S.Dentist1497951115
- Christopher Pescatore, D.M.D.Dentist1538493499
Verify Steven Lloyd Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 51995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average endodontics in 2024
119 Medicare Part D claims for 81 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Amoxicillin51 claims
- Hydrocodone-Acetaminophen26 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.
Steven Lloyd Ryan among 1,018 endodontics records in California
Steven Lloyd Ryan, DDS, MS is one of 1,018 endodontics records with a practice address in California. 68% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 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 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in California
There are 1,018 endodontics records in California.
All 1,018 in California → Every provider in Danville → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Katherine Le, DDSDanville, CA 945261205504859
- Robert Miranda, D.M.D.Danville, CA 945261285743815
- Daniel Choi, D.M.D.Pleasant Hill, CA 945231467514570
- Mia Tittle, DDSPleasant Hill, CA 945231447902226
- Kenneth Tittle, DDSPleasant Hill, CA 945231639207079
- Peter Chalmers, DDSEl Cerrito, CA 945301154540656
- Atsushi Fujimura, DDSEl Cerrito, CA 945301912320482
- Alex LimAntioch, CA 945311801919667
Common questions
What is Steven Lloyd Ryan, DDS, MS's NPI number?
Steven Lloyd Ryan, DDS, MS's National Provider Identifier (NPI) is 1326122979, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Lloyd Ryan, DDS, MS located?
The NPPES record lists a practice address at 903 San Ramon Valley Blvd, Danville, CA, 94526. Phone: (209) 256-1507. Providers update this record themselves, so call before visiting.
How can I verify Steven Lloyd Ryan, DDS, MS's license?
NPPES lists California license number 51995, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Steven Lloyd Ryan, DDS, MS prescribe under Medicare Part D?
In 2024, Steven Lloyd Ryan, DDS, MS had 119 Medicare Part D claims for 81 beneficiaries; the average among endodontics prescribers was 121. 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.