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

Dr. John Michael Finley, DO

Individual provider Rheumatology Physician · NPI 1922042076

Dr. John Michael Finley, DO is an Internal Medicine in Chino, California. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1986, 40 years ago. Practices with Health Service Alliance, a 14-clinician group. Licensed in California.

Years since qualifying
40
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

13193 Central Ave Ste 100
Chino, CA 91710-4179
Phone: (909) 464-9675
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 20A5583 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20A5583 (CA)

Record details

NPI number1922042076
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESFebruary 11, 2026
Certification dateFebruary 11, 2026
Mailing address13193 Central Ave Ste 100, Chino, CA 91710-4179

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesOSTEOPATHIC MANIPULATIVE MEDICINE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1986 (40 years in practice)
Group practice Health Service Alliance — 14 clinicians
Accepts Medicare assignment Not indicated

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