Christopher Spencer, MD
NPI 1851357545 · Emergency Medicine Physician · Lancaster, CA
Christopher Spencer, MD is a Emergency Medicine Physician provider in Lancaster, CA (NPI 1851357545).
Provider details
- NPI number
- 1851357545
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G45684 (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
20 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
- 2006-04-22
- Last updated
- 2010-12-28
Frequently asked questions
- What is Christopher Spencer's NPI number?
- Christopher Spencer's National Provider Identifier (NPI) is 1851357545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Spencer's specialty?
- Christopher Spencer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Spencer located?
- Christopher Spencer's practice location on file with NPPES is 1600 W Avenue J, Lancaster, CA 93534-2814.
- What is Christopher Spencer's phone number?
- The practice phone number listed in the NPPES registry for Christopher Spencer is (661) 949-5000.
- Is Christopher Spencer's NPI active?
- Yes — Christopher Spencer's NPI (1851357545) is active in the NPPES registry as of the last update on 2010-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.