Curtis Yoshihiro Maehara, MD

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

A186827 Issued in CA

Practice address

1100 Van Ness Ave Ste 1005
San Francisco, CA 94109-6980

Phone

(415) 923-3421

NPI assigned

Mar 31, 2020

Sex

Male

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

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal MedicineAlso: Pulmonary Disease

Education

Virginia Commonwealth University, School of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1585612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1669000139",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 VAN NESS AVE STE 1005",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941096980",
            "telephone_number": "415-923-3421"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 VAN NESS AVE STE 1005",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941096980",
            "telephone_number": "415-923-3421"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAEHARA",
        "first_name": "CURTIS",
        "middle_name": "YOSHIHIRO",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-31",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A186827",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kristine A. Madsen, M.D.
• Sarianne Huyett Madsen, RD
• Benjamin H Maeck III, MD
• Lance Maeda
• Jennifer Maeder, RN, IBCLC
• Valerie Maerowitz, FNP
• Dorothy Claire Maffei
• Jenna Grace Magaldi, AMFT
• Guillermo Magallanes
• Toni-Marie Esperanza Magallanes

• Critical Care Medicine (Internal Medicine) Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Critical Care Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.