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

John Clancy, DO

Individual provider Internal Medicine Physician · NPI 1962506238

John Clancy, DO is an Internal Medicine in Vista, California. Qualified in 1994, 32 years ago. Practices with John H Clancy DO and Tara Leigh Clancy DO Medical Corporation, a 2-clinician group and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
32
Licensed in
CA, IL
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

2375 S Melrose Dr
Vista, CA 92081-8788
Phone: (760) 305-1900
Fax: (760) 305-1910
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 20A9614 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036093708 (IL)

Record details

NPI number1962506238
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 8, 2006
Last updated in NPPESNovember 19, 2018
Mailing address2375 S Melrose Dr, Vista, CA 92081-8788

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice John H Clancy Do And Tara Leigh Clancy Do Medical Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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