NPIMap

Individual provider Active NPI

Walter Kwass, M.D.

  • Vascular Surgery Physician
  • Daly City, CA
National Provider Identifier
1972585008
Registry record updated Mar 17, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Vascular Surgery PhysicianTaxonomy code 2086S0129X
License
89436 Issued in CA
Practice address
1500 Southgate Ave
Daly City, CA 94015-2259
Phone
(650) 991-6780
NPI assigned
Nov 15, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 17, 2018

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Vascular Surgery Physician 2086S0129X 016674 CT
Vascular Surgery Physician 2086S0129X 35851 MA
Vascular Surgery Physician 2086S0129X 89436 CA Primary

Addresses

Primary practice location

1500 Southgate Ave
Daly City, CA 94015-2259

Mailing address

1580 Laurel St
San Carlos, CA 94070-5157
Phone (650) 394-4492

Other practice location 1

140 Lincoln Ave
Haverhill, MA 01830-6700
Phone (978) 420-1405

Other identifiers 2

IdentifierTypeStateIssuer
001166743MedicaidCT
2169801MedicaidMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, CA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20081219000425 MA Practitioner - Vascular SurgeryPractitioner - Internal Medicine 1052334489 Reassigns benefits to 4 organizations
I20171129001117 CA Practitioner - Vascular Surgery 1052334489 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Vascular SurgeryAlso: Internal Medicine
Education
New York University School of Medicine, 1962
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Healogics Specialty Physicians of Massachusetts PLLCGroup PAC ID 8628386448, 10 clinicians

Practice addresses (Care Compare)

18 Hospital Dr
Holyoke, MA 01040-6604
Phone (413) 535-4741

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue539
Removal of skin lesions1-10
Removal or shaving of skin growth1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Verity Medical Foundation CurrentSince Dec 18, 2017 Accepting new patients
Steward Medical Group, Inc CurrentSince May 1, 2011 Accepting new patients
Integrated Wound Care Massachusetts PLLC CurrentSince Jul 1, 2023 Accepting new patients
Steward Medical Group, Inc CurrentSince May 1, 2011 Accepting new patients
Healogics Specialty Physicians of Massachusetts, PLLC CurrentSince Apr 7, 2025 Accepting new patients
DCHS Medical Foundation CurrentSince Dec 18, 2017 Accepting new patients
Signify Health Medical Associates, PLLC CurrentSince Sep 1, 2023 Accepting new patients
New Haven Radiology Associates, P.C. Past Accepting new patients
Connecticut Vascular Center P.C. Vascular Surgery PastSince Aug 1, 2010 Accepting new patients
Merrimack Valley Health Care Group Past Accepting new patients
New Haven Radiology Associates PC Past Accepting new patients
Hawthorn Medical Associates Past Accepting new patients
Healogics Specialty Physicians of Oklahoma, PLLC Past Accepting new patients

Locations

25455 Medical Center Dr
Ste 200
Murrieta, CA 92562
Phone (951) 894-7056

400 Race St
San Jose, CA 95126

155 Federal St
Ste 700
Boston, MA 02110
Phone (469) 466-7420

11 Nevins St
Ste 201
Brighton, MA 02135
Phone (617) 789-2442

48 Sanderson St
Ste 100
Greenfield, MA 01301

62 Brown St
#507
Haverhill, MA 01830
Phone (978) 722-7818

140 Lincoln Ave
Haverhill, MA 01830
Phone (978) 374-2000

18 Hospital Dr
Holyoke, MA 01040
Phone (413) 534-2800

100 Amesbury St
Ste 103
Lawrence, MA 01840
Phone (978) 683-0157

184 Lincoln St
North Easton, MA 02356
Phone (508) 238-7053

40 Wright St
Ste 2215
Palmer, MA 01069
Phone (413) 370-7055

492C Cedar Ln
Teaneck, NJ 07666
Phone (201) 357-5468

4055 Valley View Ln
Ste 400
Dallas, TX 75244
Phone (469) 466-7037

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/HIJABD

Organizations & group practices 13

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 13

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1132012800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1521244800000",
    "number": "1972585008",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1580 LAUREL ST",
            "city": "SAN CARLOS",
            "state": "CA",
            "postal_code": "940705157",
            "telephone_number": "650-394-4492"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 SOUTHGATE AVE",
            "city": "DALY CITY",
            "state": "CA",
            "postal_code": "940152259",
            "telephone_number": "650-991-6780"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "140 Lincoln Ave",
            "address_purpose": "LOCATION",
            "city": "Haverhill",
            "state": "MA",
            "postal_code": "018306700",
            "country_code": "US",
            "telephone_number": "978-420-1405",
            "fax_number": "978-420-1410",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KWASS",
        "first_name": "WALTER",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-11-15",
        "last_updated": "2018-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "CT",
            "license": "016674",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "MA",
            "license": "35851",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "CA",
            "license": "89436",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001166743",
            "state": "CT"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2169801",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Daly City, CA

Sources for this page

Verify at the official NPI Registry.