WALTER KWASS (M.D.) – Vascular Surgery Physician, NPI 1972585008
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
198 VASCULAR SURGERY in MA
Provider Addresses for WALTER KWASS (M.D.)
1580, Laurel Street, San Carlos, San Mateo County, California, 94070, United States
SAN CARLOS, CA 940705157
Phone: (650) 394-4492
Type: Mailing
140 Lincoln Ave
Haverhill, MA 018306700
Phone: (978) 420-1405
Fax: (978) 420-1410
Type: Location
1500, Southgate Avenue, Daly City, San Mateo County, California, 94015, United States
DALY CITY, CA 940152259
Phone: (650) 991-6780
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-11-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20081219000425 | I | Vascular Surgery | MA | TBD |
| I20171129001117 | I | Vascular Surgery | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 79 | 22 | $0 |
| 99307 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | 34 | 21 | $0 |
Insurance plans in this area (ZIP 94070)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | MA | |
| General Surgery | MA | |
| Colorectal Surgery (Proctology) | MO | |
| Emergency Medicine | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | VT | |
| General Surgery | MA | |
| - | MA | |
| General Surgery | MA |
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