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

Dr. John Stephen Locke, MD

Individual provider Orthopaedic Surgery Physician · NPI 1467520189

Dr. John Stephen Locke, MD is an Orthopedic Surgery in Corona, California. Qualified in 1986, 40 years ago. Practices with United Medical Doctors, a 169-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

341 Magnolia Ave Ste 101
Corona, CA 92879-3330
Phone: (951) 735-6060
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence G77841 (CA)

Record details

NPI number1467520189
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2006
Last updated in NPPESSeptember 21, 2012
Mailing address341 Magnolia Ave, Ste 101, Corona, CA 92879-3330

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice United Medical Doctors — 169 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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