Active NPI
Jonathan Polak, M.D.
- Internal Medicine Physician
- Wolfeboro, NH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 19473
- Practice address
- 55 Mill St Ste 101
Wolfeboro, NH 03894-4328 - Phone
- (252) 722-3240
- NPI assigned
- May 26, 2015
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | C194706 | CA | |
| Internal Medicine Physician | 207R00000X | 19473 | NH | Primary |
Addresses
Primary practice location
55 Mill St Ste 101
Wolfeboro, NH 03894-4328
Mailing address
55 Mill St Ste 101
Wolfeboro, NH 03894-4328
Phone (252) 722-3240
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: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Alignmed Partners, PC | Current | Accepting new patients | |
| Genesis Eldercare Physician Services LLC | Current | Accepting new patients | |
| Genesis Eldercare Physician Services LLC | Current | Accepting new patients | |
| Alignmed Medical Group, PC | Current | Accepting new patients | |
| Wolfeboro SNF Opco LLC | Past | Accepting new patients |
Locations
239 Pleasant St
Concord, NH 03301
Phone (603) 224-6561
175 Blueberry Ln
Laconia, NH 03246
Phone (603) 524-3340
24 Old Etna Rd
Lebanon, NH 03766
Phone (603) 442-4207
8 Snow Rd
Winchester, NH 03470
Phone (603) 239-6355
39 Clipper Dr
Wolfeboro, NH 03894
Phone (603) 569-3950
1660 Easton Rd
Warrington, PA 18976
Phone (215) 345-3205
Organizations & group practices 5
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.
-
- Geriatric Medicine (Internal Medicine) Physician
- Concord, NH
- NPI 1821011792
-
- Geriatric Medicine (Internal Medicine) Physician
- Baltimore, MD
- NPI 1366289423
NH
-
- Geriatric Medicine (Internal Medicine) Physician
- Gardendale, AL
- NPI 1881109452
NH
-
- Geriatric Medicine (Internal Medicine) Physician
- Towson, MD
- NPI 1699280511
-
- Skilled Nursing Facility
- Wolfeboro, NH
- NPI 1558196915
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1432598400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788998400000",
"number": "1659750560",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "55 MILL ST STE 101",
"city": "WOLFEBORO",
"state": "NH",
"postal_code": "038944328",
"telephone_number": "252-722-3240"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "55 MILL ST STE 101",
"city": "WOLFEBORO",
"state": "NH",
"postal_code": "038944328",
"telephone_number": "252-722-3240"
}
],
"practiceLocations": [],
"basic": {
"last_name": "POLAK",
"first_name": "JONATHAN",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2015-05-26",
"last_updated": "2026-09-10",
"certification_date": "2026-09-10",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "C194706",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NH",
"license": "19473",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Wolfeboro, NH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.