Active NPI
Niels C. Krejci, MD
- MOHS-Micrographic Surgery Physician
- Norwood, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- MOHS-Micrographic Surgery Physician
- License
- 205347
- Practice address
- 128 Carnegie Row
Norwood, MA 02062-5010 - Phone
- (781) 762-5858
- Fax
- (781) 762-3307
- NPI assigned
- Nov 2, 2005
- Last updated
- Aug 27, 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 |
|---|---|---|---|---|
| Dermatology Physician | 207N00000X | 205347 | MA | |
| MOHS-Micrographic Surgery Physician | 207ND0101X | 205347 | MA | Primary |
Addresses
Primary practice location
128 Carnegie Row
Norwood, MA 02062-5010
Mailing address
526 Main St Ste 302
Acton, MA 01720-3301
Phone (978) 371-7010
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110005896A | Medicaid | MA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Dermatology
- Education
- Other, 1986
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
128 Carnegie Row
Norwood, MA 02062-5010
440 E Central St
Franklin, MA 02038-1374
Phone (781) 762-5858
Merit-based Incentive Payment System (MIPS)
- Final score
- 86.47 of 100
- Quality
- 80.8
- Promoting interoperability
- 97
- Improvement activities
- 40
- Cost
- 76.61
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Melanoma (skin cancer) excision | 50 |
| Removal of skin lesions | 1-10 |
| Removal of skin cancer | 813 |
| Skin biopsy | 15 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 205347 | MA | MD | Procedural Dermatology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dermatology Associates PC | Dermatology | Current | Accepting new patients |
| Apderm South Shore, P.C. | Dermatology | Past | Accepting new patients |
| Boston University Dermatology, Inc. | Dermatology | Past | Accepting new patients |
| Da Mass PC | Dermatology | Past | Accepting new patients |
Locations
440 E Central St
Franklin, MA 02038
Phone (508) 298-1300
128 Carnegie Row
Norwood, MA 02062
Phone (781) 762-5858
128 Carnegie Row
Ste 202
Norwood, MA 02062
Phone (781) 762-5858
Interoperability endpoints
- nkrejci@apderm.emadirect.md
Organizations & group practices 4
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.
-
- Dermatology Physician
- Norwood, MA
- NPI 1063570075
-
- Dermatology Physician
- Norwood, MA
- NPI 1013658061
-
- Dermatology Physician
- Boston, MA
- NPI 1376532853
-
- Dermatology Physician
- Norwood, MA
- NPI 1801569363
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1130889600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787788800000",
"number": "1518958289",
"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": "017203301",
"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": "128 CARNEGIE ROW",
"city": "NORWOOD",
"state": "MA",
"postal_code": "020625010",
"telephone_number": "781-762-5858",
"fax_number": "781-762-3307"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KREJCI",
"first_name": "NIELS",
"middle_name": "C.",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-02",
"last_updated": "2026-08-27",
"certification_date": "2026-08-27",
"status": "A"
},
"taxonomies": [
{
"code": "207N00000X",
"taxonomy_group": "",
"desc": "Dermatology",
"state": "MA",
"license": "205347",
"primary": false
},
{
"code": "207ND0101X",
"taxonomy_group": "",
"desc": "Dermatology, MOHS-Micrographic Surgery",
"state": "MA",
"license": "205347",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "110005896A",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Norwood, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.