Active NPI
Calvin Knowles
- Physician Assistant
- Berlin, NH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 2041
- Practice address
- 59 Page Hill Rd
Berlin, NH 03570-3531 - Phone
- (603) 752-2200
- NPI assigned
- Jan 20, 2021
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 2041 | NH | Primary |
Addresses
Primary practice location
59 Page Hill Rd
Berlin, NH 03570-3531
Mailing address
59 Page Hill Rd
Berlin, NH 03570-3531
Phone (603) 752-2200
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
173 Middle St
Lancaster, NH 03584-3508
Phone (603) 788-5606
181 Corliss LN
Colebrook, NH 03576-3207
Phone (603) 237-4971
250 Pleasant St
Concord, NH 03301-7559
Phone (603) 230-3138
59 Page Hill Rd
Berlin, NH 03570-3531
Phone (603) 326-5900
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2041 | NH | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Weeks Medical Center | Current | Accepting new patients | |
| Catholic Medical Center | Current | Accepting new patients | |
| Concord Hospital-Laconia | Current | Accepting new patients | |
| Catholic Medical Center | Current | Accepting new patients | |
| Concord Hospital, Inc. | Current | Accepting new patients | |
| Weeks Medical Center | Current | Accepting new patients | |
| Concord Hospital, Inc. | Current | Accepting new patients | |
| Androscoggin Valley Hospital Inc | Current | Accepting new patients |
Locations
59 Page Hill Rd
Berlin, NH 03570
Phone (603) 752-2200
181 Corliss Ln
Colebrook, NH 03576
Phone (603) 237-8652
246 Pleasant St
Concord, NH 03301
Phone (603) 224-1223
250 Pleasant St
Concord, NH 03301
Phone (603) 225-2711
85 Spring St
Ste 2A1
Laconia, NH 03246
Phone (603) 524-1600
173 Middle St
Lancaster, NH 03584
Phone (603) 788-4911
100 McGregor St
Manchester, NH 03102
Phone (603) 663-6931
238 Daniel Webster Hwy
Meredith, NH 03253
Phone (603) 279-7464
Organizations & group practices 10
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.
-
- Emergency Medicine Physician
- Concord, NH
- NPI 1194778571
-
- General Practice Physician
- Berlin, NH
- NPI 1679526644
-
- Cardiovascular Disease Physician
- Manchester, NH
- NPI 1386672319
-
- Family Medicine Physician
- Laconia, NH
- NPI 1053993741
-
- Clinic/Center
- Whitefield, NH
- NPI 1508819566
-
- Anesthesiology Physician
- Manchester, NH
- NPI 1003692112
-
- Psychiatric Hospital Unit
- Concord, NH
- NPI 1124070966
-
- General Practice Physician
- Concord, NH
- NPI 1801840764
-
- Community/Behavioral Health Agency
- Berlin, NH
- NPI 1366900219
-
- Clinic/Center
- Littleton, NH
- NPI 1578155560
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Durable Medical Equipment & Medical Supplies
- Berlin, NH
- NPI 1235267451
Hospital
-
- Critical Access Hospital
- Berlin, NH
- NPI 1386680593
-
- Critical Access Hospital
- Colebrook, NH
- NPI 1861489437
-
- Critical Access Hospital
- Lancaster, NH
- NPI 1265536718
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1611100800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782604800000",
"number": "1497345706",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "59 PAGE HILL RD",
"city": "BERLIN",
"state": "NH",
"postal_code": "035703531",
"telephone_number": "603-752-2200"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "59 PAGE HILL RD",
"city": "BERLIN",
"state": "NH",
"postal_code": "035703531",
"telephone_number": "603-752-2200"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KNOWLES",
"first_name": "CALVIN",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2021-01-20",
"last_updated": "2026-06-28",
"certification_date": "2026-06-28",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "NH",
"license": "2041",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Berlin, NH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.