Mark Henry Harder, OD
Optometrist · Modesto, CA
Mark Henry Harder, OD is an optometrist with a practice address in Modesto, California, and NPI 1093787459, issued on Feb 1, 2006. Check the license (California CA07481T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Henry Harder
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- CA07481T CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 E Orangeburg Ave Ste B, Modesto, CA 95350
- Phone
- (209) 596-4360
- Enumerated
- Feb 1, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (209) 566-0685
- Medicaid IDs
- SD0074810 CA
1093787459 CA - Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Mark Henry Harder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license CA07481TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $71.65
3 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 34,453 providers of this specialty with any payment received $769.99 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.
Mark Henry Harder among 8,308 optometrist records in California
Mark Henry Harder, OD 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. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2023 · 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).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Modesto → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- James Bragno, O.D.Modesto, CA 953501588666382
- Kerry Horner, O.D.Modesto, CA 953501467441931
- Ronald Janda, ODModesto, CA 953501003843087
- Keith Kajioka, O.D.Modesto, CA 953501053370825
- Eric Kramer, O.D.Modesto, CA 953501669493110
- Kathryn Larsson, O.D.Modesto, CA 953501750375440
- Stanley Martin, ODModesto, CA 953501093704264
- Brandie Medina, O.D.Modesto, CA 953501851302723
Common questions
What is Mark Henry Harder, OD's NPI number?
Mark Henry Harder, OD's National Provider Identifier (NPI) is 1093787459, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Henry Harder, OD located?
The NPPES record lists a practice address at 501 E Orangeburg Ave Ste B, Modesto, CA, 95350. Phone: (209) 596-4360. Providers update this record themselves, so call before visiting.
How can I verify Mark Henry Harder, OD's license?
NPPES lists California license number CA07481T, 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. 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.