Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. John Osika, OD

Individual provider Optometrist · NPI 1902894470

Dr. John Osika, OD is registered under Optometry in Sacaton, Arizona. Graduated from Pacific University - College of Optometry in 2000, 26 years ago. Practices with Gila River Health Care Corporation, a 241-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
26
Trained at
Pacific University - College of Optometry
Licensed in
AZ
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

483 W Seed Farm Rd Hu Hu Kam Memorial Hospital
Sacaton, AZ 85147-0038 Not confirmed with CMS for 12 years — call before visiting
Phone: (602) 528-1200
Fax: (602) 528-1255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1105 (AZ)

Record details

NPI number1902894470
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedOctober 10, 2005
Last updated in NPPESFebruary 7, 2014

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 2000 (26 years in practice)
Group practice Gila River Health Care Corporation — 241 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients170
Services billed 553 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Huhu Kam Memorial Hospital Hospital · Sacaton, AZ

Colleagues at Gila River Health Care Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 241 clinicians in the practice; 12 are shown here.

Other providers in Sacaton