Individual Healthcare Provider
Dana M. Weisshaar, MD
Provider's NPPES record last updated: February 12, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1952475550
- Primary Specialty
- Internal Medicine — Cardiovascular Disease
- Practice Location
- Los Gatos, California
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-10-09.
- Source data
- October 9, 2026
- Records indexed
- 84,093
- Screened
- Oct 18, 2026, 1:11 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Cardiovascular Disease
Allopathic & Osteopathic Physicians
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Taxonomy code 207RC0000X Internal Medicine
Advanced Heart Failure and Transplant Cardiology
Allopathic & Osteopathic Physicians
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.
Taxonomy code 207RA0001X
Provider-Reported License Information
- Internal Medicine (California)
- G075915
- Internal Medicine (California)
- G75915
Practice Locations
Practice Location
112 Peach Willow Ct
Los Gatos, California 95032-1362
Phone: (617) 286-6874
Record Information
- Enumeration Date
- November 17, 2006
- Provider's NPPES Record Last Updated
- February 12, 2026
- Certification Date
- February 12, 2026
- NPISignal NPPES Dataset
- August 2026
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