Mai Shimada, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A144057 Issued in CA

Practice address

845 Jackson St
San Francisco, CA 94133

Phone

(415) 677-2300

NPI assigned

Mar 26, 2013

Last updated

Apr 6, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Merit-based Incentive Payment System (MIPS)

Final score

94.83 of 100Reported as group

Quality

91.31

Improvement activities

40

Cost

79.05

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: maishimada@mai.allscriptsdirect.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mai Shimada M.D. Inc

  • Emergency Medicine Physician
  • Sonoma, CA
  • NPI 1558904920
  NPD Authorized official
• Maimonides Medical Center

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1093777492
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1364256000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775433600000",
    "number": "1316289523",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "845 JACKSON ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941334851"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "845 JACKSON ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94133",
            "telephone_number": "415-677-2300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "28 Geary St Ste 659",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941085722",
            "country_code": "US",
            "telephone_number": "415-501-0812",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SHIMADA",
        "first_name": "MAI",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-03-26",
        "last_updated": "2026-04-06",
        "certification_date": "2026-04-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A144057",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katerina Shikhvarg
• Ashley Shim
• Eun Jung Shim
• Woo in Shim
• David W. Shimabukuro, MD
• Kristin A. Shimano, M.D.
• Brooke Shimazaki, PT, DPT
• Julie Hitomi Shimazu-Deacon
• Ekaterina Shimchuk
• Jessica Anne Shimerdla, PHARMD

• Emergency Medicine Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.