Active NPI
Saralyn A Mackenzie, MD
- Hospitalist Physician
- Hyannis, MA
National Provider Identifier
1073588877
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- 154772
- Practice address
- 27 Park St
Cape Cod Hospital Hospitalist Department
Hyannis, MA 02601 - Phone
- (508) 862-5976
- Fax
- (508) 862-7931
- NPI assigned
- Feb 23, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | 154772 | MA | Primary |
Addresses
Primary practice location
27 Park St
Cape Cod Hospital Hospitalist Department
Hyannis, MA 02601
Mailing address
27 Park St
Cape Cod Hospital
Hyannis, MA 02601
Phone (508) 862-5976
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 67397 | Other | MA | HPHC |
| J18958 | Other | MA | BCBS |
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 |
|---|---|---|---|
| 154772 | MA | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Medical Affiliates of Cape Cod, Inc. | Past | Accepting new patients | |
| Falmouth Hospital Association Inc | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- General Acute Care Hospital
- Falmouth, MA
- NPI 1336106806
-
- Internal Medicine Physician
- Hyannis, MA
- NPI 1770534927
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1140652800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1073588877",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "27 PARK ST",
"address_2": "CAPE COD HOSPITAL",
"city": "HYANNIS",
"state": "MA",
"postal_code": "02601",
"telephone_number": "508-862-5976",
"fax_number": "508-862-7931"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "27 PARK ST",
"address_2": "CAPE COD HOSPITAL HOSPITALIST DEPARTMENT",
"city": "HYANNIS",
"state": "MA",
"postal_code": "02601",
"telephone_number": "508-862-5976",
"fax_number": "508-862-7931"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MACKENZIE",
"first_name": "SARALYN",
"middle_name": "A",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-02-23",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "MA",
"license": "154772",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HPHC",
"identifier": "67397",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS",
"identifier": "J18958",
"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.