Derek Wayne Ashby, OD
Optometrist · Canon City, CO
Derek Wayne Ashby, OD is an optometrist with a practice address in Canon City, Colorado, and NPI 1700048329, issued on Jun 25, 2008. Check the license (Colorado OPT-2652, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek Wayne Ashby
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT-2652 CO
Self-reported in NPPES; status is on the state search - Practice location
- 326 Dozier Ave, Canon City, CO 81212
- Phone
- (719) 276-0344
- Enumerated
- Jun 25, 2008
- Record last updated
- Jun 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (719) 269-7446
- Medicaid ID
- 87751747 CO
- Medicare enrollment
- Enrolled (PECOS I20081113000218); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2008
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,273 in Colorado → Look up another NPI →
Also registered at 326 Dozier Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marcelo Saldivia, O.D.Optometrist1972555001
Verify Derek Wayne Ashby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license OPT-2652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average optometrist in 2024
260 Medicare Part D claims for 91 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Latanoprost79 claims
- Dorzolamide-Timolol37 claims
- Prednisolone Acetate29 claims
- Brimonidine Tartrate16 claims
- Restasis14 claims
- Tobramycin-Dexamethasone14 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: $77.23
4 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US 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 3 group practices
- Bright Eyes Vision Clinic PC A Colorado Professional CorporationCanon City, CO
- Southern Colorado Eye CarePueblo West, CO
- Southern Colorado Eye Care Associates PCPueblo, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Wayne Ashby among 1,273 optometrist records in Colorado
Derek Wayne Ashby, OD is one of 1,273 optometrist records with a practice address in Colorado. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2008 · median 2009 among the 750 with a school on file
- Record last updated2013 · 63% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Colorado
There are 1,273 optometrist records in Colorado.
All 1,273 in Colorado → Every provider in Canon City → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Nicholas Blair, O.D.Canon City, CO 812121871807321
- James Bosse, O.D.Canon City, CO 812121699727032
- Sean Claflin, O DCanon City, CO 812121235105552
- Yvonne Morrisey, O.D.Canon City, CO 812121033163472
- Marcelo Saldivia, O.D.Canon City, CO 812121972555001
- Edmund Herb, ODBuena Vista, CO 812111255431714
- Matthew Scott, O.D.Buena Vista, CO 812111932105467
- Nicholas Chariton, O.D.Salida, CO 812011427407287
Common questions
What is Derek Wayne Ashby, OD's NPI number?
Derek Wayne Ashby, OD's National Provider Identifier (NPI) is 1700048329, issued on Jun 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Derek Wayne Ashby, OD located?
The NPPES record lists a practice address at 326 Dozier Ave, Canon City, CO, 81212. Phone: (719) 276-0344. Providers update this record themselves, so call before visiting.
How can I verify Derek Wayne Ashby, OD's license?
NPPES lists Colorado license number OPT-2652, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Derek Wayne Ashby, OD prescribe under Medicare Part D?
In 2024, Derek Wayne Ashby, OD had 260 Medicare Part D claims for 91 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.