Doctor profile · Federal record

Dr. Walter Kwass, M.D.

Vascular Surgery Physician (CMS: Vascular Surgery) · Vascular Surgery Physician · Vascular Surgery Physician · Daly City, CA

  • NPI 1972585008
  • Accepts Medicare
  • 64 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 Southgate Ave
Daly City, CA 940152259
(650) 991-6780
Additional location
140 Lincoln Ave
Haverhill, MA 018306700
(978) 420-1405
fax (978) 420-1410
Mailing address
1580 Laurel St
San Carlos, CA 940705157

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 17, 2018
Year of graduation
1962 — 64 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State licenses (3)
California #89436 · Connecticut #016674 · Massachusetts #35851
Medicaid (2)
CT #001166743 · MA #2169801

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972585008. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
113
Distinct HCPCS
2
Medicare allowed
$7,317
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 79 22 $75
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 34 21 $40

In context: peer comparison

Among 2 peers in Daly City Vascular Surgery Physician, average services per provider: 60. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Walter Kwass's medical specialty?
Dr. Walter Kwass practices Vascular Surgery Physician in Daly City, CA.
Where does Dr. Walter Kwass practice?
Dr. Walter Kwass practices at 1500 Southgate Ave, Daly City, CA 940152259. Office phone: 6509916780.
What is Dr. Walter Kwass's NPI?
Dr. Walter Kwass's National Provider Identifier (NPI) is 1972585008, issued by NPPES.
Does Dr. Walter Kwass accept Medicare assignment?
Yes. Dr. Walter Kwass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Kwass commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99307). Source: CMS Medicare Physician & Other Practitioners file.