Em & Da Group
NPI 1811129976 · Family Medicine Physician · San Francisco, CA
Em & Da Group is a Family Medicine Physician organization in San Francisco, CA (NPI 1811129976).
Provider details
- NPI number
- 1811129976
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Constant Chan, President(415) 271-8862
- License
- A40174 (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
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
- 2009-08-21
- Last updated
- 2009-08-21
Frequently asked questions
- What is Em & Da Group's NPI number?
- Em & Da Group's National Provider Identifier (NPI) is 1811129976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Em & Da Group?
- Em & Da Group is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Em & Da Group located?
- Em & Da Group's practice location on file with NPPES is 2440 Mariposa St, San Francisco, CA 94110-1423.
- What is Em & Da Group's phone number?
- The practice phone number listed in the NPPES registry for Em & Da Group is (415) 271-8862.
- Who is the authorized official for Em & Da Group?
- The authorized official listed on Em & Da Group's NPPES record is Constant Chan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Em & Da Group's NPI active?
- Yes — Em & Da Group's NPI (1811129976) is active in the NPPES registry as of the last update on 2009-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.