Earl Mark Ryder, OD
Optometrist · Spokane, WA
Earl Mark Ryder, OD is an optometrist with a practice address in Spokane, Washington, and NPI 1700879335, issued on Aug 30, 2005. Check the license (Washington OD00001673, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Earl Mark Ryder
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OD00001673 WA
Self-reported in NPPES; status is on the state search - Practice location
- 400 E 5TH Ave, Spokane, WA 99202
- Phone
- (509) 838-2531
- Enumerated
- Aug 30, 2005
- Record last updated
- Jun 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 2009850 WA
- Medicare enrollment
- Enrolled (PECOS I20040709000548); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 1985
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,641 in Washington → Look up another NPI →
Also registered at 400 E 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Earl Mark Ryder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license OD00001673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average optometrist in 2024
464 Medicare Part D claims for 115 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Latanoprost250 claims
- Timolol Maleate99 claims
- Erythromycin21 claims
- Dorzolamide-Timolol19 claims
- Prednisolone Acetate13 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.
Bills Medicare through one group practice
- Multicare Health SystemSpokane, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Earl Mark Ryder among 1,641 optometrist records in Washington
Earl Mark Ryder, OD is one of 1,641 optometrist records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1985 · median 2010 among the 949 with a school on file
- Record last updated2018 · 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Washington
There are 1,641 optometrist records in Washington.
All 1,641 in Washington → Every provider in Spokane → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Keegan Bench, O.D.Spokane, WA 992021801204144
- Trent Anderson, O.D.Spokane, WA 992031225075534
- Michael Berg, MDSpokane, WA 992011013970664
- Steven Blum, O.D.Spokane, WA 992011376680983
- Aarick Carlson, ODSpokane, WA 992011396231023
- Amanda Gable, O.D.Spokane, WA 992011699000778
- Lindsay Hamlin, O.D.Spokane, WA 992011558659375
- Kent Hein, O.D.Spokane, WA 992011134275043
Common questions
What is Earl Mark Ryder, OD's NPI number?
Earl Mark Ryder, OD's National Provider Identifier (NPI) is 1700879335, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Earl Mark Ryder, OD located?
The NPPES record lists a practice address at 400 E 5TH Ave, Spokane, WA, 99202. Phone: (509) 838-2531. Providers update this record themselves, so call before visiting.
How can I verify Earl Mark Ryder, OD's license?
NPPES lists Washington license number OD00001673, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Earl Mark Ryder, OD prescribe under Medicare Part D?
In 2024, Earl Mark Ryder, OD had 464 Medicare Part D claims for 115 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.