Dana M. Weisshaar, MD
Cardiovascular Disease Physician · Los Gatos, CA
Dana M. Weisshaar, MD is a cardiovascular disease physician with a practice address in Los Gatos, California, and NPI 1952475550, issued on Nov 17, 2006. Check the license (California G075915, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dana M. Weisshaar
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- G075915 CA
G75915 CA
Self-reported in NPPES; status is on the state search - Practice location
- 112 Peach Willow CT, Los Gatos, CA 95032
- Phone
- (617) 286-6874
- Enumerated
- Nov 17, 2006
- Record last updated
- Feb 12, 2026
- Fax
- (508) 206-8173
- Medicaid ID
- 00G759150 CA
- Medicare enrollment
- Enrolled (PECOS I20110110000670); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Dana M. Weisshaar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G075915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
204 Medicare Part D claims for 84 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium18 claims
- Entresto17 claims
- Carvedilol16 claims
- Rosuvastatin Calcium14 claims
- Spironolactone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $378.37
10 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Empallo Medical Group, P.A.Los Gatos, CA
- Mohammed S Qayyum MD IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dana M. Weisshaar among 2,574 cardiovascular disease physician records in California
Dana M. Weisshaar, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1989 · median 1999 among the 1,742 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Los Gatos → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Ronald Kite, M.D.Los Gatos, CA 950321902818974
- Suman Kuppahally, MDLos Gatos, CA 950321811073323
- John Smith, MDLos Gatos, CA 950321457346843
- Kambuzia Tabari, MDMonte Sereno, CA 950301801147004
- Antonio Chan, M.D.Milpitas, CA 950351669558508
- Anuradha Chirala, MBBSMorgan Hill, CA 950371952597478
- Bhavna Suri, MDMorgan Hill, CA 950371487952511
- Martin Bress, MDHollister, CA 950231720084049
Common questions
What is Dana M. Weisshaar, MD's NPI number?
Dana M. Weisshaar, MD's National Provider Identifier (NPI) is 1952475550, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dana M. Weisshaar, MD located?
The NPPES record lists a practice address at 112 Peach Willow CT, Los Gatos, CA, 95032. Phone: (617) 286-6874. Providers update this record themselves, so call before visiting.
How can I verify Dana M. Weisshaar, MD's license?
NPPES lists California license number G075915, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dana M. Weisshaar, MD prescribe under Medicare Part D?
In 2024, Dana M. Weisshaar, MD had 204 Medicare Part D claims for 84 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.