Active NPI
H Walter Kaess, MD
- General Practice Physician
- Hyannis, MA
National Provider Identifier
1255307179
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- License
- 44260
- Practice address
- 100 Camp St
Hyannis, MA 02601-3007 - Phone
- (508) 775-1984
- Fax
- (508) 790-1897
- NPI assigned
- Feb 28, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 44260 | MA | |
| General Practice Physician | 208D00000X | 44260 | MA | Primary |
Addresses
Primary practice location
100 Camp St
Hyannis, MA 02601-3007
Mailing address
100 Camp St
Hyannis, MA 02601-3007
Phone (508) 775-1984
Other identifiers 6
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 044260 | Other | MA | TUFTS HEALTH PLAN |
| 801557 | Other | MA | HARVARD PILGRIM HEALTH |
| 000000029653 | Other | MA | BOSTON MEDICAL CENTER H P |
| 30423 | Other | MA | CHILDRENS MED SEC PLAN |
| L15121 | Other | MA | BCBS |
| 2070502 | Medicaid | MA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 44260 | MA | MD | General Practice Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1141084800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1255307179",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "100 CAMP ST",
"city": "HYANNIS",
"state": "MA",
"postal_code": "026013007",
"telephone_number": "508-775-1984",
"fax_number": "508-790-1897"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "100 CAMP ST",
"city": "HYANNIS",
"state": "MA",
"postal_code": "026013007",
"telephone_number": "508-775-1984",
"fax_number": "508-790-1897"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KAESS",
"first_name": "H",
"middle_name": "WALTER",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-28",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MA",
"license": "44260",
"primary": false
},
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "MA",
"license": "44260",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "TUFTS HEALTH PLAN",
"identifier": "044260",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HARVARD PILGRIM HEALTH",
"identifier": "801557",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BOSTON MEDICAL CENTER H P",
"identifier": "000000029653",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CHILDRENS MED SEC PLAN",
"identifier": "30423",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS",
"identifier": "L15121",
"state": "MA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "2070502",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Hyannis, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.