Mark Benjamin Davidson, M.D.
Individual provider Active NPI Internal Medicine Physician · Webster, MA
NPI 1417948522 · NPPES record last updated Jan 2, 2026
Key facts
- NPI
- 1417948522
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Internal Medicine Physician 207R00000X
- License
- 218842 (MA)
- Practice address
- 340 Thompson Rd
Webster, MA 01570-1509 - Phone
- (508) 943-0821
- Fax
- (508) 943-5209
- NPI assigned
- Oct 31, 2005
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 5
Hospital & facility affiliations 5
Medicare Care Compare profile
- Specialty
- Internal Medicine
- Education
- Tufts University School of Medicine, 1998
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Umass Memorial Medical Group Inc
Practice addresses (Care Compare)
112 Main St
Northborough, MA 01532-1914
340 Thompson Rd
Webster, MA 01570-1509
Phone (508) 943-5132
55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000
Hospital & facility affiliations
- Preferred Transitions Home Health Care Inc
- Vna Care Network
- Umass Memorial Medical Center/University Campus
- Marlborough Hospital
- Umass Memorial Health - Harrington Hospital
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20031122000082 | MA | Practitioner - Internal Medicine | 0840194692 | Reassigns benefits to 2 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 218842 | MA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Umass Memorial Medical Group, Inc. | Current |
Accepting new patients | |
| Umass Memorial Medical Group Inc | Internal Medicine | Current | Accepting new patients |
| Ajay Anand MD PC | Internal Medicine | Current |
Accepting new patients |
| Ajay Anand MD PC | Past | Accepting new patients | |
| Jane H Joiner MDPC | Internal Medicine | Past | Accepting new patients |
Locations
320 Bolton St
Marlborough, MA 01752
Phone (508) 460-9670
340 Maple St
Marlborough, MA 01752
Phone (508) 485-7779
112 Main St
Northborough, MA 01532
Phone (508) 393-7223
340 Thompson Rd
Webster, MA 01570
Phone (508) 943-2600
55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862
Interoperability endpoints
- mdavidson22499@umassmemorial.direct-ci.com
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 218842 | MA | Yes |
Addresses
Primary practice location
340 Thompson Rd
Webster, MA 01570-1509
Mailing address
PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885
Electronic endpoints
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mdavidson22499@UmassMemorial.direct-ci.com | ||
| FHIR URL | https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ |
Other providers in Webster, MA
- Tina M Crentsil
- Crystal Rehab & Nursing LLC
- CVS Pharmacy Inc
- Nicholas David Cyrek
- Afia Dansoaah
- Beverly Debruyn
- Jaclyn Debs
- Olivia Grace Deirhardt
- Ashley Elizabeth Deluca
- Alana Dery
All providers in Webster, MA · Internal Medicine Physician in Massachusetts
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jan 2, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.