OrganizationActive
Mai Shimada M.D. Inc
NPI 1558904920 · Emergency Medicine Physician · Sonoma, CA
Mai Shimada M.D. Inc is a Emergency Medicine Physician organization in Sonoma, CA (NPI 1558904920).
Provider details
- NPI number
- 1558904920
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mai Shimada, Emergency Physician(415) 606-0172
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
347 Andrieux St
Sonoma, CA 95476-6811
Phone: (707) 935-5000
Street-level locationGet directions
Mailing address
225 Fell St Apt 15
San Francisco, CA 94102-5161
Registry dates
- Enumerated
- 2019-10-17
- Last updated
- 2019-10-17
Frequently asked questions
- What is Mai Shimada M.D. Inc's NPI number?
- Mai Shimada M.D. Inc's National Provider Identifier (NPI) is 1558904920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mai Shimada M.D. Inc?
- Mai Shimada M.D. Inc is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mai Shimada M.D. Inc located?
- Mai Shimada M.D. Inc's practice location on file with NPPES is 347 Andrieux St, Sonoma, CA 95476-6811.
- What is Mai Shimada M.D. Inc's phone number?
- The practice phone number listed in the NPPES registry for Mai Shimada M.D. Inc is (707) 935-5000.
- Who is the authorized official for Mai Shimada M.D. Inc?
- The authorized official listed on Mai Shimada M.D. Inc's NPPES record is Mai Shimada, Emergency Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mai Shimada M.D. Inc's NPI active?
- Yes — Mai Shimada M.D. Inc's NPI (1558904920) is active in the NPPES registry as of the last update on 2019-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.