Walter Kwass, M.D.
Vascular Surgery Physician · Daly City, CA
Walter Kwass, M.D. is a vascular surgery physician with a practice address in Daly City, California, and NPI 1972585008, issued on Nov 15, 2005. Check the license (California 89436, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Walter Kwass
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- 89436 CA
016674 CT
35851 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Southgate Ave, Daly City, CA 94015
- Phone
- (650) 991-6780
- Enumerated
- Nov 15, 2005
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid IDs
- 001166743 CT
2169801 MA - Medicare enrollment
- Enrolled (PECOS I20081219000425); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1962
- Entity
- Type 1 · individual
Also registered at 1500 Southgate Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Allman, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1619982592
- Patricia Cavero, MDCardiovascular Disease Physician1912081654
- Ping Chow, MDCardiovascular Disease Physician1578582847
- Dennis Hamby, M.D.Specialist1922099415
- Isam Khoury, D.M.D.Oral and Maxillofacial Surgery (Dentist)1801952239
- Divya Kini, MDFamily Medicine Physician1649354309
Verify Walter Kwass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 89436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average vascular surgery physician in 2024
23 Medicare Part D claims, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Healogics Specialty Physicians OF Massachusetts PLLCHolyoke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
Other vascular surgery physician records in California
- Oliver Aalami, M.D.Stanford, CA1225229024
- Shahram Aarabi, MDOakland, CA1972700458
- Arad Abadi, MDLancaster, CA1730673724
- Ryan Abdul-HaqqWest Hollywood, CA1386087864
- Andrew Abi-Chaker, M.D.Sherman Oaks, CA1528488467
- Ahmed Abou-Zamzam, M.D.Loma Linda, CA1558306795
- Joseph Abu-Dalu, MDLos Angeles, CA1821157587
- Queen Abure, MDSan Francisco, CA1710772074
- Riad Adoumie, M.D.Torrance, CA1467465930
- Massoud Agahi, M.D.Beverly Hills, CA1952367070
Common questions
What is Walter Kwass, M.D.'s NPI number?
Walter Kwass, M.D.'s National Provider Identifier (NPI) is 1972585008, issued on Nov 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Walter Kwass, M.D. located?
The NPPES record lists a practice address at 1500 Southgate Ave, Daly City, CA, 94015. Phone: (650) 991-6780. Providers update this record themselves, so call before visiting.
How can I verify Walter Kwass, M.D.'s license?
NPPES lists California license number 89436, 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 Walter Kwass, M.D. prescribe under Medicare Part D?
In 2024, Walter Kwass, M.D. had 23 Medicare Part D claims; the average among vascular surgery physician prescribers was 201. 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.