Dana M. Weisshaar, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

G075915 Issued in CA

Practice address

112 Peach Willow CT
Los Gatos, CA 95032-1362

Phone

(617) 286-6874

Fax

(508) 206-8173

NPI assigned

Nov 17, 2006

Sex

Female

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 1

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

Cardiovascular Disease (Cardiology)Also: Advanced Heart Failure and Transplant Cardiology, Internal Medicine

Education

Medical College of Ohio, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Empallo Medical Group, P.a.Group PAC ID 5698209450, 2 clinicians

Mohammed S Qayyum MD IncGroup PAC ID 3476862780, 4 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Empallo Medical Group, P.a.

  • Cardiovascular Disease Physician
  • Cambridge, MA
  • NPI 1578396230

  Advanced Heart Failure and Transplant Cardiology, CA

  Medicare reassignment Care Compare group NPD Authorized official
• Mohammed S. Qayyum M.D. Inc

  • Specialist
  • San Jose, CA
  • NPI 1649647736
  Medicare reassignment Care Compare group NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• Empallo Medical Group of New Jersey, PC

  • Cardiovascular Disease Physician
  • Albany, NY
  • NPI 1346196854

  Advanced Heart Failure and Transplant Cardiology

  NPD Authorized official
• Imagineecho LLC

  • Physiological Laboratory
  • Daly City, CA
  • NPI 1356038442
  NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1841373800
  NPD

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

{
    "created_epoch": "1163721600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770854400000",
    "number": "1952475550",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "160 CAMBRIDGEPARK DR UNIT 112",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021402452",
            "telephone_number": "617-286-6874",
            "fax_number": "508-206-8173"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "112 PEACH WILLOW CT",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950321362",
            "telephone_number": "617-286-6874",
            "fax_number": "508-206-8173"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEISSHAAR",
        "first_name": "DANA",
        "middle_name": "M.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-17",
        "last_updated": "2026-02-12",
        "certification_date": "2026-02-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "CA",
            "license": "G75915",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "G075915",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G759150",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jessica Weiler, MFTI
• Michael Francis Weiler, PSY.D.
• Haydon Weinberg
• Anat Journo Weingarten, DPT
• Richard Allen Weiser, MD
• Michelle Welch
• Wellness Recovery Retreat Center (Wellness Retreat Recovery Center)
• Wellspring Psychology PC
• Wellspring Psychology PC
• Melanie Wendt

• Cardiovascular Disease Physician in Los Gatos, CA
• Providers in Los Gatos, CA by specialty
• Cardiovascular Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 12, 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.