Philip Seifer, MD
NPI 1982771846 · Pediatrics Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Seifer, MD is a Pediatrics Physician provider in Los Angeles, CA (NPI 1982771846).
Provider details
- NPI number
- 1982771846
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G60375 (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
- 2006-11-29
- Last updated
- 2021-12-01
Frequently asked questions
- What is Philip Seifer's NPI number?
- Philip Seifer's National Provider Identifier (NPI) is 1982771846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Seifer's specialty?
- Philip Seifer is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Seifer located?
- Philip Seifer's practice location on file with NPPES is 6041 Cadillac Ave, Los Angeles, CA 90034-1702.
- What is Philip Seifer's phone number?
- The practice phone number listed in the NPPES registry for Philip Seifer is (323) 857-2000.
- Does Philip Seifer accept Medicare?
- Philip Seifer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Seifer's NPI active?
- Yes — Philip Seifer's NPI (1982771846) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.