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

Dr. Jillian Marie Hammes, DO

Individual provider Family Medicine Physician · NPI 1457621195

Dr. Jillian Marie Hammes, DO is a Family Practice in Colton, California. Qualified in 2009, 17 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
17
Licensed in
CA
In the registry since
2012
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.

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Practice location Address checks out

400 N Pepper Ave
Colton, CA 92324-1801
Phone: (909) 580-3370
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A12086 (CA)

Record details

NPI number1457621195
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedJanuary 11, 2012
Last updated in NPPESNovember 29, 2021
Certification dateNovember 29, 2021

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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