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

Dr. Steve S Lee, DO

Individual provider Rheumatology Physician · NPI 1336206358

Dr. Steve S Lee, DO is an Internal Medicine in Fontana, California. Qualified in 2002, 24 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
24
Licensed in
CA
In the registry since
2007
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

9985 Sierra Ave
Fontana, CA 92335-6720
Phone: (909) 427-1000
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 2OA8551 (CA)

Record details

NPI number1336206358
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 2, 2007
Last updated in NPPESDecember 6, 2021
Mailing address9985 Sierra Ave, Fontana, CA 92335-6720

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesRHEUMATOLOGY
Medical schoolOTHER
Graduated 2002 (24 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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