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

Emmanuel P Katsaros, DO

Individual provider Rheumatology Physician · NPI 1144240961

Emmanuel P Katsaros, DO is a Rheumatology in Pomona, California. Qualified in 1995, 31 years ago. Practices with County of Riverside, a 187-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
31
Licensed in
CA
In the registry since
2006
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

795 E 2nd St Ste 7
Pomona, CA 91766-2007
Phone: (909) 865-2565
Fax: (909) 865-2955
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 20A6857 (CA)

Record details

NPI number1144240961
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 21, 2006
Last updated in NPPESJune 22, 2021
Certification dateJune 22, 2021
Mailing address795 E 2nd St, Suite 5, Pomona, CA 91766-2007

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice County Of Riverside — 187 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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