Matthew Lawrence Diggory, O.D.
Optometrist · Redlands, CA
Matthew Lawrence Diggory, O.D. is an optometrist with a practice address in Redlands, California, and NPI 1255887857, issued on Sep 1, 2016. Check the license (California OPT33521-TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Lawrence Diggory
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT33521-TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 1845 W Redlands Blvd Ste 101, Redlands, CA 92373
- Phone
- (909) 363-1450
- Enumerated
- Sep 1, 2016
- Record last updated
- Sep 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20170712001754); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1845 W Redlands Blvd Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Hammill, ODOptometrist1457932097
- Serene Koudsi, ODOptometrist1750275095
- Priscilla Luke, MDOphthalmology Physician1902003213
- Paymohn Mahdavi, M.D.Retina Specialist (Ophthalmology) Physician1295095669
- Madeline Padron, ODOptometrist1194651257
- Stella Tu, ODOptometrist1639767940
Verify Matthew Lawrence Diggory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT33521-TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15.0 times the Medicare Part D claims of the average optometrist in 2024
4,168 Medicare Part D claims for 1,028 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost1,488 claims
- Dorzolamide-Timolol432 claims
- Brimonidine Tartrate417 claims
- Timolol Maleate392 claims
- Restasis227 claims
- Cyclosporine205 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: $907.48
26 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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.
Bills Medicare through 2 group practices
- Azul Vision IncRedlands, CA
- California Eye Specialists Medical Group IncRancho Cucamonga, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Lawrence Diggory among 8,308 optometrist records in California
Matthew Lawrence Diggory, 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. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2016 · median 2008 among the 3,573 with a school on file
- Record last updated2025 · 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 Redlands → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Bruce Greene, O.D.Redlands, CA 923731053436410
- Timothy Hammill, ODRedlands, CA 923731457932097
- Diana Hanna, ODRedlands, CA 923731073281762
- Lewis Kemmerer, ODRedlands, CA 923731942242912
- Steven Kleen, O.D.Redlands, CA 923731063497741
- Serene Koudsi, ODRedlands, CA 923731750275095
- Matthew Moraton, ODRedlands, CA 923731992219133
- Gayle Reis, ODRedlands, CA 923731164484259
Common questions
What is Matthew Lawrence Diggory, O.D.'s NPI number?
Matthew Lawrence Diggory, O.D.'s National Provider Identifier (NPI) is 1255887857, issued on Sep 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Lawrence Diggory, O.D. located?
The NPPES record lists a practice address at 1845 W Redlands Blvd Ste 101, Redlands, CA, 92373. Phone: (909) 363-1450. Providers update this record themselves, so call before visiting.
How can I verify Matthew Lawrence Diggory, O.D.'s license?
NPPES lists California license number OPT33521-TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Lawrence Diggory, O.D. prescribe under Medicare Part D?
In 2024, Matthew Lawrence Diggory, O.D. had 4,168 Medicare Part D claims for 1,028 beneficiaries; the average among optometrist prescribers was 277. 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.