Active NPI
Mark G Wang, D.M.D
- Endodontics
- Peabody, MA
National Provider Identifier
1265529366
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endodontics
- License
- 20514
- Practice address
- 39 Cross St Ste 304
Peabody, MA 01960-1666 - Phone
- (978) 531-3400
- Fax
- (781) 863-6368
- NPI assigned
- Oct 9, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endodontics | 1223E0200X | 20514 | MA | Primary |
Addresses
Primary practice location
39 Cross St Ste 304
Peabody, MA 01960-1666
Mailing address
4 Welch Rd
Lexington, MA 02421-7519
Phone (781) 863-6368
Other practice location 1
0 Governors Ave Ste 30
Medford, MA 02155-3091
Phone (781) 391-5100
Other names 1
- Dr. Mark Guangqiang Wang
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)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20514 | MA | MD | Endodontist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Advanced Endodontic Associates, PC | Endodontics | Past | Accepting new patients |
| Gerald B. Leiber, D.M.D., P.C. | Endodontics | 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.
-
- Endodontics
- Peabody, MA
- NPI 1477709640
-
- Endodontics
- Medford, MA
- NPI 1528272721
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1160352000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775606400000",
"number": "1265529366",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4 WELCH RD",
"city": "LEXINGTON",
"state": "MA",
"postal_code": "024217519",
"telephone_number": "781-863-6368",
"fax_number": "781-863-6368"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "39 CROSS ST STE 304",
"city": "PEABODY",
"state": "MA",
"postal_code": "019601666",
"telephone_number": "978-531-3400",
"fax_number": "781-863-6368"
}
],
"practiceLocations": [
{
"address_1": "0 Governors Ave Ste 30",
"address_purpose": "LOCATION",
"city": "Medford",
"state": "MA",
"postal_code": "021553091",
"country_code": "US",
"telephone_number": "781-391-5100",
"fax_number": "781-391-4833",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WANG",
"first_name": "MARK",
"middle_name": "G",
"name_prefix": "Dr.",
"credential": "D.M.D",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-10-09",
"last_updated": "2026-04-08",
"certification_date": "2026-04-08",
"status": "A"
},
"taxonomies": [
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "MA",
"license": "20514",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "MARK",
"last_name": "WANG",
"middle_name": "GUANGQIANG",
"prefix": "DR.",
"credential": "D.M.D",
"code": "2",
"type": "Professional Name"
}
]
}Other providers in Peabody, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 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.