Thomas Rittman, MD
NPI 1235392473 · Psychiatry Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Rittman, MD is a Psychiatry Physician provider in Los Angeles, CA (NPI 1235392473).
Provider details
- NPI number
- 1235392473
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD163929 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
135 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 111 | $118 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 24 | $172 |
Typical Medicare-allowed amounts for these services range $118–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-08
- Last updated
- 2020-10-14
- Certified
- 2020-10-14
Frequently asked questions
- What is Thomas Rittman's NPI number?
- Thomas Rittman's National Provider Identifier (NPI) is 1235392473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Rittman's specialty?
- Thomas Rittman is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Rittman located?
- Thomas Rittman's practice location on file with NPPES is 1720 E 120th St, Los Angeles, CA 90059-3052.
- What is Thomas Rittman's phone number?
- The practice phone number listed in the NPPES registry for Thomas Rittman is (310) 668-5189.
- Does Thomas Rittman accept Medicare?
- Thomas Rittman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Rittman's NPI active?
- Yes — Thomas Rittman's NPI (1235392473) is active in the NPPES registry as of the last update on 2020-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.