Stephen Treiman, M.D.
NPI 1942223508 · Pediatric Critical Care Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Treiman, M.D. is a Pediatric Critical Care Medicine Physician provider in Los Angeles, CA (NPI 1942223508).
Provider details
- NPI number
- 1942223508
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A67434 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2023-04-17
- Certified
- 2023-04-17
Frequently asked questions
- What is Stephen Treiman's NPI number?
- Stephen Treiman's National Provider Identifier (NPI) is 1942223508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Treiman's specialty?
- Stephen Treiman is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Treiman located?
- Stephen Treiman's practice location on file with NPPES is 4867 W Sunset Blvd Fl 5, Los Angeles, CA 90027-5969.
- What is Stephen Treiman's phone number?
- The practice phone number listed in the NPPES registry for Stephen Treiman is (323) 783-4363.
- Does Stephen Treiman accept Medicare?
- Stephen Treiman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Treiman's NPI active?
- Yes — Stephen Treiman's NPI (1942223508) is active in the NPPES registry as of the last update on 2023-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.