Michael B Lash, MD

Primary specialty

Otolaryngology PhysicianTaxonomy code 207Y00000X

License

A21710 Issued in CA

Practice address

15000 Arnold Drive
Sonoma, CA 95431-1493

Phone

(707) 938-6556

NPI assigned

May 17, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• State of California - Department of Developmental Services

  • Federally Qualified Health Center (FQHC)
  • Pomona, CA
  • NPI 1093085565
  NPD (past)

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

{
    "created_epoch": "1147824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1487606281",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 9TH ST",
            "address_2": "ROOM 205 MAILSTOP 2-3",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958146414",
            "telephone_number": "916-654-2431",
            "fax_number": "916-654-3186"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15000 ARNOLD DRIVE",
            "city": "SONOMA",
            "state": "CA",
            "postal_code": "954311493",
            "telephone_number": "707-938-6556"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LASH",
        "first_name": "MICHAEL",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-17",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A21710",
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "CA",
            "license": "A21710",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tana M Lambert, LEP
• Erin Kathleen Landgraf, BCBA
• Dixie Landrum
• Clinton Lane VI, M.D.
• Nancy Large, PHARMD
• Caroline Anne Laurent, D.M.D., M.S.
• Angelique Le Roux
• Crystine M. Lee, M.D.
• Margaret Frances Leisz, FNP
• Jarrett Rikio Lew, PA-C

• Otolaryngology Physician in Sonoma, CA
• Providers in Sonoma, CA by specialty
• Otolaryngology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.