Active NPI
Lexington-Waltham Dermatology Group Inc
- Specialist
- Lexington, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Specialist
- Legal business name
- LEXINGTON-WALTHAM DERMATOLOGY GROUP INC
- Practice address
- 57 Bedford St Ste 201
Lexington, MA 02420-4550 - Phone
- (781) 862-2322
- Fax
- (781) 863-0927
- NPI assigned
- Mar 9, 2007
- Last updated
- Oct 7, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Samuel D Goos, MD
- Title
- Managing Partner
- Phone
- (978) 371-7010
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Specialist | 174400000X | Primary | ||
| Dermatology Physician | 207N00000X | |||
| MOHS-Micrographic Surgery Physician | 207ND0101X | |||
| Dermatopathology Physician | 207ND0900X | |||
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X |
Addresses
Primary practice location
57 Bedford St Ste 201
Lexington, MA 02420-4550
Mailing address
526 Main St Ste 302
Acton, MA 01720-3310
Phone (978) 371-7010
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 22D1019451 | Lexington-Waltham Dermatology Group PC | Provider-performed microscopy | Nov 18, 2027 |
National Provider Directory
National Provider DirectoryLocations
57 Bedford St
Ste 201
Lexington, MA 02420
Phone (781) 862-2322
57 Bedford St
Ste 211
Lexington, MA 02420
Phone (781) 862-2322
Practitioners & affiliated clinicians
Practitioners 6
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Dermatology Physician
- Lexington, MA
- NPI 1548351679
-
- Dermatology Physician
- Lexington, MA
- NPI 1730270851
-
- Dermatology Physician
- Lexington, MA
- NPI 1255389425
-
- Dermatology Physician
- Concord, MA
- NPI 1548240039
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1173398400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1791331200000",
"number": "1255463972",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "526 MAIN ST STE 302",
"city": "ACTON",
"state": "MA",
"postal_code": "017203310",
"telephone_number": "978-371-7010",
"fax_number": "978-371-0522"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "57 BEDFORD ST STE 201",
"city": "LEXINGTON",
"state": "MA",
"postal_code": "024204550",
"telephone_number": "781-862-2322",
"fax_number": "781-863-0927"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "LEXINGTON-WALTHAM DERMATOLOGY GROUP INC",
"organizational_subpart": "NO",
"enumeration_date": "2007-03-09",
"last_updated": "2026-10-07",
"certification_date": "2026-10-07",
"status": "A",
"authorized_official_last_name": "GOOS",
"authorized_official_first_name": "SAMUEL",
"authorized_official_middle_name": "D",
"authorized_official_title_or_position": "MANAGING PARTNER",
"authorized_official_telephone_number": "978-371-7010",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": null,
"license": null,
"primary": true
},
{
"code": "207N00000X",
"taxonomy_group": "",
"desc": "Dermatology",
"state": null,
"license": null,
"primary": false
},
{
"code": "207ND0101X",
"taxonomy_group": "",
"desc": "Dermatology, MOHS-Micrographic Surgery",
"state": null,
"license": null,
"primary": false
},
{
"code": "207ND0900X",
"taxonomy_group": "",
"desc": "Dermatology, Dermatopathology",
"state": null,
"license": null,
"primary": false
},
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Lexington, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.