Thomas Rittman, MD
Psychiatry Physician · Los Angeles, CA
Thomas Rittman, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1235392473, issued on Jul 8, 2008. Check the license (California A104062, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Rittman
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A104062 CA
MD163929 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1720 E 120TH St, Los Angeles, CA 90059
- Phone
- (310) 668-5189
- Enumerated
- Jul 8, 2008
- Record last updated
- Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131022001749); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1720 E 120TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron AbrahamPsychiatry Physician1477182921
- Mirna AbregoCounselor1205006574
- Herminio Academia, MDPsychiatry Physician1962586222
- Eunice AguilarCase Manager/Care Coordinator1801340419
- George Akpenyi, M.D.Psychiatry Physician1649345067
- Noemi AlsupClinical Social Worker1144655911
Verify Thomas Rittman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A104062Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatry physician in 2024
36 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Providence Health And Services OregonTigard, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Rittman among 8,673 psychiatry physician records in California
Thomas Rittman, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2006 · median 2005 among the 3,295 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
987 psychiatry physician records list a practice address in Los Angeles
They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Herminio Academia, MDLos Angeles, CA 900591962586222
- George Akpenyi, M.D.Los Angeles, CA 900591649345067
- Sandra Aquino, M.D.Los Angeles, CA 900591477625713
- N. Dorlesta Crawford, MDLos Angeles, CA 900591881720761
- Janet Farhie, M.D.Los Angeles, CA 900591871680223
- Patrizia Ferrara-Guthrie, M.D.Los Angeles, CA 900591730252875
- Belinda Hara, M.D.Los Angeles, CA 900591508080250
- Adelene James, MDLos Angeles, CA 900591699846642
Common questions
What is Thomas Rittman, MD's NPI number?
Thomas Rittman, MD's National Provider Identifier (NPI) is 1235392473, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Rittman, MD located?
The NPPES record lists a practice address at 1720 E 120TH St, Los Angeles, CA, 90059. Phone: (310) 668-5189. Providers update this record themselves, so call before visiting.
How can I verify Thomas Rittman, MD's license?
NPPES lists California license number A104062, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Rittman, MD prescribe under Medicare Part D?
In 2024, Thomas Rittman, MD had 36 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Thomas Rittman, MD's MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.