Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John R Markham, OD

Individual provider Optometrist · NPI 1225094550

Dr. John R Markham, OD is an Optometry in Prescott, Arizona. Graduated from Pacific University - College of Optometry in 1973, 53 years ago. Practices with Southwestern Eye Center Ltd, a 117-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
53
Trained at
Pacific University - College of Optometry
Licensed in
AZ
In the registry since
2006
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

1680 Willow Creek Rd
Prescott, AZ 86301-1108
Phone: (928) 778-3950
Fax: (928) 778-3999
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 142 (AZ)

Record details

NPI number1225094550
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedApril 25, 2006
Last updated in NPPESApril 20, 2016
Mailing address3192 Willow Creek Rd, Prescott, AZ 86301-6610

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 1973 (53 years in practice)
Group practice Southwestern Eye Center Ltd — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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