Mark Robert Helmus, O.D.
Optometrist · Davis, CA
Mark Robert Helmus, O.D. is an optometrist with a practice address in Davis, California, and NPI 1558343905, issued on Nov 18, 2005. Check the license (California OPT7215TPA, 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.
- Name
- Mark Robert Helmus
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- OPT7215TPA CA
OPT 00007215 TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 353 2ND St, Davis, CA 95616
- Phone
- (530) 758-2122
- Enumerated
- Nov 18, 2005
- Record last updated
- Oct 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (530) 758-1448
- Medicaid ID
- SD0072150 CA
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 353 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joann Helmus, O.D.Optometrist1689656894
- Julie Helmus, O.D.Optometrist1376895607
- Andrawis Zada, ODStudent in an Organized Health Care Education/Training Program1174265169
Verify Mark Robert Helmus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT7215TPACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Robert Helmus among 8,308 optometrist records in California
Mark Robert Helmus, O.D. is one of 8,308 optometrist records with a practice address in California. 67% 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2011 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 optometrist records list a practice address in Davis
They are 21 of the 1,711 NPPES records with a practice address in Davis, and 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,308 in California → Every provider in Davis → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Alex Baker, O.D.Davis, CA 956161427287598
- Christine Chao, O.D.Davis, CA 956161437125523
- Dena Davidson, ODDavis, CA 956161629090659
- Melissa Erickson, O.D.Davis, CA 956161730163601
- Huan Guan, O.D.Davis, CA 956161336379247
- Dennis Guerrieri, O.D.Davis, CA 956161366436917
- Joann Helmus, O.D.Davis, CA 956161689656894
- Julie Helmus, O.D.Davis, CA 956161376895607
Common questions
What is Mark Robert Helmus, O.D.'s NPI number?
Mark Robert Helmus, O.D.'s National Provider Identifier (NPI) is 1558343905, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Robert Helmus, O.D. located?
The NPPES record lists a practice address at 353 2ND St, Davis, CA, 95616. Phone: (530) 758-2122. Providers update this record themselves, so call before visiting.
How can I verify Mark Robert Helmus, O.D.'s license?
NPPES lists California license number OPT7215TPA, 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.
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.