Grant Christman, M.D.
NPI 1831381771 · Pediatrics Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Christman, M.D. is a Pediatrics Physician provider in Torrance, CA (NPI 1831381771).
Provider details
- NPI number
- 1831381771
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A98626 (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
18 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
- 2007-08-14
- Last updated
- 2011-04-28
Frequently asked questions
- What is Grant Christman's NPI number?
- Grant Christman's National Provider Identifier (NPI) is 1831381771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Christman's specialty?
- Grant Christman is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Christman located?
- Grant Christman's practice location on file with NPPES is 1000 W Carson St, Torrance, CA 90502-2004.
- What is Grant Christman's phone number?
- The practice phone number listed in the NPPES registry for Grant Christman is (310) 222-2343.
- Does Grant Christman accept Medicare?
- Grant Christman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Christman's NPI active?
- Yes — Grant Christman's NPI (1831381771) is active in the NPPES registry as of the last update on 2011-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.