Mark Leroy Stephens, D.D.S.
General Practice Dentistry · Hollister, CA
Mark Leroy Stephens, D.D.S. is a general practice dentistry with a practice address in Hollister, California, and NPI 1750588174, issued on Jun 29, 2007. Check the license (California 37930, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Leroy Stephens
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 37930 CA
Self-reported in NPPES; status is on the state search - Practice location
- 930 Sunnyslope RD, Hollister, CA 95023
- Phone
- (831) 637-4627
- Enumerated
- Jun 29, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (831) 637-7017
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 930 Sunnyslope RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arvin Jonathan Sioc, MSN, FNP-BCFamily Nurse Practitioner1922769363
Verify Mark Leroy Stephens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 37930Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average general practice dentistry in 2024
28 Medicare Part D claims for 17 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin16 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.
Mark Leroy Stephens among 17,852 general practice dentistry records in California
Mark Leroy Stephens, D.D.S. 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. 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 · 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).
20 general practice dentistry records list a practice address in Hollister
They are 20 of the 561 NPPES records with a practice address in Hollister, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Hollister → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Mark Darnell, D.D.S.Hollister, CA 950231528263589
- Leo Dan Feril, D.M.D.Hollister, CA 950231972720837
- Wennifred Hsu, DDSHollister, CA 950231770639254
- Balpreet Kaur, D.D.SHollister, CA 950231902276272
- Kenneth Kovanda, DDSHollister, CA 950231558436188
- Darick Nordstrom, DDSHollister, CA 950231295874485
- Leif Nordstrom, DDSHollister, CA 950231720123995
- Ichhya Pathak-Paudel, DMDHollister, CA 950231881032944
Common questions
What is Mark Leroy Stephens, D.D.S.'s NPI number?
Mark Leroy Stephens, D.D.S.'s National Provider Identifier (NPI) is 1750588174, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Leroy Stephens, D.D.S. located?
The NPPES record lists a practice address at 930 Sunnyslope RD, Hollister, CA, 95023. Phone: (831) 637-4627. Providers update this record themselves, so call before visiting.
How can I verify Mark Leroy Stephens, D.D.S.'s license?
NPPES lists California license number 37930, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Leroy Stephens, D.D.S. prescribe under Medicare Part D?
In 2024, Mark Leroy Stephens, D.D.S. had 28 Medicare Part D claims for 17 beneficiaries; the average among general practice dentistry prescribers was 83. 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.