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

Philip Ostermann

Individual provider Anesthesiology Physician · NPI 1821235623

Philip Ostermann is an Anesthesiology in Thousand Oaks, California. Graduated from Northwestern University Feinberg Medical School in 2007, 19 years ago. Practices with Conejo Los Robles Anesthesiology Medical Group Inc, a 28-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Trained at
Northwestern University Feinberg Medical School
Licensed in
CA
In the registry since
2009

Practice location Address checks out

215 W Janss Rd Surgery Dept
Thousand Oaks, CA 91360-1847
Phone: (805) 370-4521
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A107004 (CA)

Record details

NPI number1821235623
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJanuary 15, 2009
Last updated in NPPESJune 4, 2012
Mailing address215 W Janss Rd, Surgery Dept, Thousand Oaks, CA 91360-1847

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2007 (19 years in practice)
Group practice Conejo Los Robles Anesthesiology Medical Group Inc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Thousand Oaks