Jeffrey David Klausner, MD

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

G81840 Issued in CA

Practice address

201 Dolores Ave
San Leandro, CA 94577-5007

Phone

(510) 984-2489

Fax

(510) 788-6830

NPI assigned

Aug 25, 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

Other identifiers 3

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

Infectious Disease

Education

JS Weill Medical College, Cornell University, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Bass Medical GroupGroup PAC ID 9032111281, 292 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jklausner189857@ehr.johnmuirhealth.com

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.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405
  Medicare reassignment Care Compare group NPD
• City Health, a Medical Corporation

  • Multi-Specialty Clinic/Center
  • San Leandro, CA
  • NPI 1477940187

  Internal Medicine

  Medicare reassignment NPD
• University of California SFGH Medical Group

  • Infectious Disease Physician
  • San Francisco, CA
  • NPI 1366417933
  Medicare reassignment NPD
• Curative Medical Associates PA

  • General Practice Physician
  • Round Rock, TX
  • NPI 1376132233
  NPD Authorized official
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941
  NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904
  NPD
• Curative Medical Associates Inc.

  • General Practice Physician
  • Monrovia, CA
  • NPI 1467057554
  NPD
• University of California SFGH Medical Group

  • Vascular Surgery Physician
  • San Francisco, CA
  • NPI 1033913959
  NPD
• Bass Medical Group

  • Pain Medicine Physician
  • Visalia, CA
  • NPI 1326409343
  NPD (past)
• UCSF Health Community Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1316061997
  NPD (past)

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

{
    "created_epoch": "1156464000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1508973249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 DOLORES AVE",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945775007",
            "telephone_number": "510-984-2489",
            "fax_number": "510-788-6830"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 DOLORES AVE",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945775007",
            "telephone_number": "510-984-2489",
            "fax_number": "510-788-6830"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1970 Mountain Blvd",
            "address_purpose": "LOCATION",
            "city": "Oakland",
            "state": "CA",
            "postal_code": "946112813",
            "country_code": "US",
            "telephone_number": "510-984-2489",
            "fax_number": "510-788-6830",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLAUSNER",
        "first_name": "JEFFREY",
        "middle_name": "DAVID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-25",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G81840",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "G81840",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CCS PANELED",
            "identifier": "1508973249",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G818400",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1508973249",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Thomas Kirwin
• Anjali Kishore, P.T.
• Brenda Kitagawa
• Cynthia Grace Kitani, P.T.
• Kassandra Kite
• Ana Elizabeth Kleihege
• Alexis Dale Kleiman
• Grace Klein
• John Ethan Klein
• Courtney I Klink

• Infectious Disease Physician in San Leandro, CA
• Providers in San Leandro, CA by specialty
• Infectious Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; 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.