Walter Kwass, M.D.
NPI 1972585008 · Vascular Surgery Physician · Daly City, CA
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Kwass, M.D. is a Vascular Surgery Physician provider in Daly City, CA (NPI 1972585008).
Provider details
- NPI number
- 1972585008
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 016674 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
154 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 80 | $74 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 37 | $40 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 23 | $107 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 14 | $132 |
Typical Medicare-allowed amounts for these services range $40–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 140 Lincoln AveHaverhill, MA 01830-6700Phone: (978) 420-1405Fax: (978) 420-1410
Registry dates
- Enumerated
- 2005-11-15
- Last updated
- 2018-03-17
Frequently asked questions
- What is Walter Kwass's NPI number?
- Walter Kwass's National Provider Identifier (NPI) is 1972585008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Kwass's specialty?
- Walter Kwass is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Kwass located?
- Walter Kwass's practice location on file with NPPES is 1500 Southgate Ave, Daly City, CA 94015-2259.
- What is Walter Kwass's phone number?
- The practice phone number listed in the NPPES registry for Walter Kwass is (650) 991-6780.
- Does Walter Kwass accept Medicare?
- Walter Kwass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Kwass's NPI active?
- Yes — Walter Kwass's NPI (1972585008) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.