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

Dr. Thomas Rittman, MD

Individual provider Internal Medicine Physician · NPI 1235392473

Dr. Thomas Rittman, MD is a Psychiatry in Los Angeles, California. Graduated from Ohio State University College of Medicine in 2006, 20 years ago. Practices with Providence Health and Services Oregon, a 1,426-clinician group and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
20
Trained at
Ohio State University College of Medicine
Licensed in
CA, OR
In the registry since
2008
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1720 E 120th St
Los Angeles, CA 90059-3052
Phone: (310) 668-5189
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD163929 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD163929 (OR)
Psychiatry Physician Taxonomy 2084P0800X · Licence A104062 (CA)

Record details

NPI number1235392473
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 8, 2008
Last updated in NPPESOctober 14, 2020
Certification dateOctober 14, 2020

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Providence Health And Services Oregon — 1426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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