Irwin Weiss, M.D.
NPI 1013013317 · Pediatric Critical Care Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irwin Weiss, M.D. is a Pediatric Critical Care Medicine Physician provider in Los Angeles, CA (NPI 1013013317).
Provider details
- NPI number
- 1013013317
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G74628 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-09-15
- Last updated
- 2011-08-30
Frequently asked questions
- What is Irwin Weiss's NPI number?
- Irwin Weiss's National Provider Identifier (NPI) is 1013013317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irwin Weiss's specialty?
- Irwin Weiss is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irwin Weiss located?
- Irwin Weiss's practice location on file with NPPES is 10833 Le Conte Avenue, Los Angeles, CA 90095.
- What is Irwin Weiss's phone number?
- The practice phone number listed in the NPPES registry for Irwin Weiss is (310) 206-3952.
- Does Irwin Weiss accept Medicare?
- Irwin Weiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irwin Weiss's NPI active?
- Yes — Irwin Weiss's NPI (1013013317) is active in the NPPES registry as of the last update on 2011-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.