Individual provider Active NPI

Niels C. Krejci, MD

  • MOHS-Micrographic Surgery Physician
  • Norwood, MA
National Provider Identifier
1518958289
Registry record updated Aug 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
MOHS-Micrographic Surgery PhysicianTaxonomy code 207ND0101X
License
205347 Issued in MA
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, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 27, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
110005896AMedicaidMA

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040804001201 MA Practitioner - Dermatology 5395716179 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Other, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dermatology Associates PCGroup PAC ID 7012982044, 19 clinicians

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 100Reported as individual
Quality
80.8
Promoting interoperability
97
Improvement activities
40
Cost
76.61

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision50
Removal of skin lesions1-10
Removal of skin cancer813
Skin biopsy15

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
205347MAMDProcedural Dermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dermatology Associates PC Dermatology CurrentSince Apr 1, 2014 Accepting new patients
Apderm South Shore, P.C. Dermatology PastSince Oct 20, 2024 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

  • Direct secure messaging: 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.

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

Verify at the official NPI Registry.