Lauren Chalwell, M.D.
NPI 1023307576 · Emergency Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Chalwell, M.D. is a Emergency Medicine Physician provider in San Francisco, CA (NPI 1023307576).
Provider details
- NPI number
- 1023307576
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A123374 (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
15 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
- 2011-04-06
- Last updated
- 2015-07-13
Frequently asked questions
- What is Lauren Chalwell's NPI number?
- Lauren Chalwell's National Provider Identifier (NPI) is 1023307576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Chalwell's specialty?
- Lauren Chalwell is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Chalwell located?
- Lauren Chalwell's practice location on file with NPPES is 1001 Potrero Avenue Department of Emergency Medicine, San Francisco, CA 94110.
- What is Lauren Chalwell's phone number?
- The practice phone number listed in the NPPES registry for Lauren Chalwell is (415) 206-5753.
- Does Lauren Chalwell accept Medicare?
- Lauren Chalwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Chalwell's NPI active?
- Yes — Lauren Chalwell's NPI (1023307576) is active in the NPPES registry as of the last update on 2015-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.