Active NPI
Douglas Stewart Fritz, M.D.
- Internal Medicine Physician
- Raymond, NH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 23429
- Practice address
- 15 Freetown Rd Ste 8
Raymond, NH 03077-2358 - Phone
- (603) 895-8000
- Fax
- (603) 895-8099
- NPI assigned
- May 1, 2007
- Last updated
- Sep 1, 2026
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 23429 | NH | Primary |
| Internal Medicine Physician | 207R00000X | 248242 | MA |
Addresses
Primary practice location
15 Freetown Rd Ste 8
Raymond, NH 03077-2358
Mailing address
15 Freetown Rd Ste 8
Raymond, NH 03077-2358
Phone (603) 895-8000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110091141A | Medicaid | MA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA, NH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Albany Medical College of Union University, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
25 Marston St
Suite 301
Lawrence, MA 01841-2358
Phone (978) 946-8550
2600 Compass Rd
Glenview, IL 60026-8001
30 Tuscan Blvd
Salem, NH 03079-3981
Phone (857) 282-8100
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 248242 | MA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mass General Brigham Medical Group, Inc. | Internal Medicine | Current | Accepting new patients |
| Lahey Clinic, Inc | Internal Medicine | Past | Accepting new patients |
| Mass General Brigham Amsurg Inc | Past | Accepting new patients | |
| Pratt Medical Group, Inc | Past | Accepting new patients |
Locations
399 Revolution Dr
Ste 1010
Somerville, MA 02145
Phone (857) 282-1269
30 Tuscan Blvd
Salem, NH 03079
Phone (857) 282-8100
30 Tuscan Blvd
#3
Salem, NH 03079
Interoperability endpoints
- fritz.douglas.mgbicare@direct.partners.masshiway.net
Organizations & group practices 8
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.
-
- Internal Medicine Physician
- Salem, NH
- NPI 1083360200
-
- Family Medicine Physician
- Lawrence, MA
- NPI 1144544040
-
- Primary Care Clinic/Center
- Tewksbury, MA
- NPI 1902870884
-
- Rehabilitation Clinic/Center
- Glenview, IL
- NPI 1346368248
-
- Ambulatory Surgical Clinic/Center
- Salem, NH
- NPI 1275281370
-
- Internal Medicine Physician
- Peabody, MA
- NPI 1063447316
-
dba Pratt Medical Group, Inc - Pulmonary Disease
- Pulmonary Disease Physician
- Boston, MA
- NPI 1508187642
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Northeast Rehabilitation Health Network
- Rehabilitation Hospital
- Salem, NH
- NPI 1255354288
Inpatient rehabilitation facility
-
- General Acute Care Hospital
- Dover, NH
- NPI 1033118104
-
- General Acute Care Hospital
- Burlington, MA
- NPI 1558392563
-
dba Salem Hospital
- General Acute Care Hospital
- Salem, MA
- NPI 1730121633
-
- General Acute Care Hospital
- Boston, MA
- NPI 1023049236
-
dba Lowell General Hospital
- General Acute Care Hospital
- Lowell, MA
- NPI 1407804669
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1177977600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788220800000",
"number": "1336360742",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15 FREETOWN RD STE 8",
"city": "RAYMOND",
"state": "NH",
"postal_code": "030772358",
"telephone_number": "603-895-8000",
"fax_number": "603-895-8099"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "15 FREETOWN RD STE 8",
"city": "RAYMOND",
"state": "NH",
"postal_code": "030772358",
"telephone_number": "603-895-8000",
"fax_number": "603-895-8099"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FRITZ",
"first_name": "DOUGLAS",
"middle_name": "STEWART",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-05-01",
"last_updated": "2026-09-01",
"certification_date": "2026-09-01",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NH",
"license": "23429",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MA",
"license": "248242",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "110091141A",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Raymond, NH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 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.