California Emergency Physicians Medical Group
NPI 1871812305 · Emergency Medicine Physician · San Mateo, CA
California Emergency Physicians Medical Group is a Emergency Medicine Physician organization in San Mateo, CA (NPI 1871812305).
Provider details
- NPI number
- 1871812305
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Spiro, Coo(510) 350-2600
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
16 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
- 2010-05-24
- Last updated
- 2010-05-24
Frequently asked questions
- What is California Emergency Physicians Medical Group's NPI number?
- California Emergency Physicians Medical Group's National Provider Identifier (NPI) is 1871812305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is California Emergency Physicians Medical Group?
- California Emergency Physicians Medical Group is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is California Emergency Physicians Medical Group located?
- California Emergency Physicians Medical Group's practice location on file with NPPES is 222 W 39th Ave, San Mateo, CA 94403-4364.
- What is California Emergency Physicians Medical Group's phone number?
- The practice phone number listed in the NPPES registry for California Emergency Physicians Medical Group is (650) 573-2671.
- Who is the authorized official for California Emergency Physicians Medical Group?
- The authorized official listed on California Emergency Physicians Medical Group's NPPES record is Mark Spiro, Coo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is California Emergency Physicians Medical Group's NPI active?
- Yes — California Emergency Physicians Medical Group's NPI (1871812305) is active in the NPPES registry as of the last update on 2010-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.