Jonika Michael Weerasekare

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

A197270 Issued in CA

Practice address

300 Pasteur Dr
Stanford, CA 94305-2200

Phone

(650) 498-9000

NPI assigned

Apr 3, 2023

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

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1680480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1598460370",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-5948"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-498-9000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEERASEKARE",
        "first_name": "JONIKA",
        "middle_name": "MICHAEL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-03",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A197270",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Renee Watson, NP
• Andrew James Watt, M.D.
• Alyssa Mae Weaver, PA-C
• Matthew Kale Wedemeyer, MD
• Jardon Weems, PA-C
• Chen Wei, MD, MBA
• Michael Wei, M.D., PH.D.
• Mike Tzuhen Wei, MD
• Benjamin Chun-Bang Weia, MD
• Christiana Weidanz, LCSW

• Pulmonary Disease Physician in Stanford, CA
• Providers in Stanford, CA by specialty
• Pulmonary Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.