Mary Demoss, OD
Optometrist · Canyon Lake, CA
Mary Demoss, OD is an optometrist with a practice address in Canyon Lake, California, and NPI 1912958539, issued on May 16, 2006. Check the license (California 8955, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Demoss
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 8955 CA
Self-reported in NPPES; status is on the state search - Practice location
- 31722 Railroad Canyon RD, Canyon Lake, CA 92587
- Phone
- (951) 244-4444
- Enumerated
- May 16, 2006
- Entity
- Type 1 · individual
Also registered at 31722 Railroad Canyon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Holmstrom, O.D.Optometrist1093844342
Verify Mary Demoss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 8955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
81% fewer Medicare Part D claims than the average optometrist in 2024
54 Medicare Part D claims for 23 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Lumigan19 claims
- Latanoprost18 claims
- Ofloxacin11 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.
Industry payments in 2024: $159.21
2 payments, mostly food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Michaels And VU OD A Professional CorporationLake Forest, CA
- Total Vision PCLaguna Niguel, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 optometrist records list a Canyon Lake practice address
They are 2 of the 68 NPPES records with a Canyon Lake practice address, and 8,156 optometrist records in California.
All 2 in Canyon Lake → All 8,156 in California → Every provider in Canyon Lake →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Mary Demoss, OD's NPI number?
Mary Demoss, OD's National Provider Identifier (NPI) is 1912958539, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Demoss, OD located?
The NPPES record lists a practice address at 31722 Railroad Canyon RD, Canyon Lake, CA, 92587. Phone: (951) 244-4444. Providers update this record themselves, so call before visiting.
How can I verify Mary Demoss, OD's license?
NPPES lists California license number 8955, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Demoss, OD prescribe under Medicare Part D?
In 2024, Mary Demoss, OD had 54 Medicare Part D claims for 23 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.