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

John Hann, MD

Individual provider Family Medicine Physician · NPI 1689968224

John Hann, MD is a Family Practice in Orange, California. Graduated from University of California, Geffen School of Medicine in 2011, 15 years ago. Practices with The Regents of the University of California-Irvine, a 104-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
15
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-7890
Show map & directions

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

Additional practice locations (1)

  • 3291 Loma Vista Rd, Ventura, CA 93003-3099 — (805) 652-6228

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A125034 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence A125034 (CA)

Record details

NPI number1689968224
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2011
Last updated in NPPESOctober 17, 2023
Certification dateOctober 17, 2023
Mailing address3291 Loma Vista Rd, Ventura, CA 93003-3099

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice The Regents Of The University Of California-Irvine — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Orange