Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Earl Mark Ryder, OD

Individual provider Optometrist · NPI 1700879335

Earl Mark Ryder, OD is an Optometry in Spokane, Washington. Graduated from Pacific University - College of Optometry in 1985, 41 years ago. Practices with Multicare Health System, a 2,302-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
41
Trained at
Pacific University - College of Optometry
Licensed in
WA
In the registry since
2005
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

400 E 5th Ave
Spokane, WA 99202
Phone: (509) 838-2531
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OD00001673 (WA)

Record details

NPI number1700879335
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 30, 2005
Last updated in NPPESJune 29, 2018
Mailing addressPo Box 3649, Spokane, WA 99220-3649

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 1985 (41 years in practice)
Group practice Multicare Health System — 2302 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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