NPIMap

Organization Active NPI

Essential Dermatology NWH, PLLC

  • Dermatology Physician
  • Natick, MA
National Provider Identifier
1154982833
Registry record updated Jan 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
Legal business name
ESSENTIAL DERMATOLOGY NWH, PLLC
Practice address
220 N Main St Ste 201
Natick, MA 01760-1100
Phone
(508) 545-9713
NPI assigned
Jun 24, 2019
Organization subpart
Yes
Parent organization
ESSENTIAL DERMATOLOGY, PLLCAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jan 12, 2026

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

Authorized official

Name
Michael Scott Krathen, MDNPI 1932376050
Title
Managing Member
Phone
(508) 827-2615

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207N00000X Primary

Addresses

Primary practice location

220 N Main St Ste 201
Natick, MA 01760-1100

Mailing address

220 N Main St Ste 201
Natick, MA 01760-1100

Other practice location 1

145 Rosemary St Ste C
Needham, MA 02494-3259
Phone (508) 484-8292

Other names 1

  • Essential Dermatology Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20190716001357 MA Part B Supplier - Clinic/Group Practice 6800121641 Receives reassigned benefits from 4 practitioners
Practice locations: Natick, MA; Needham, MA

National Provider Directory

National Provider Directory
Part of
Essential Dermatology PLLC

Locations

220 N Main St
Natick, MA 01760
Phone (508) 653-7830

Interoperability endpoints

  • Direct secure messaging: simas.brooke.nwh@direct.partners.masshiway.net

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1561334400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768176000000",
    "number": "1154982833",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "220 N MAIN ST STE 201",
            "city": "NATICK",
            "state": "MA",
            "postal_code": "017601100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 N MAIN ST STE 201",
            "city": "NATICK",
            "state": "MA",
            "postal_code": "017601100",
            "telephone_number": "508-545-9713"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "145 Rosemary St Ste C",
            "address_purpose": "LOCATION",
            "city": "Needham",
            "state": "MA",
            "postal_code": "024943259",
            "country_code": "US",
            "telephone_number": "508-484-8292",
            "fax_number": "508-827-2616",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ESSENTIAL DERMATOLOGY NWH, PLLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "ESSENTIAL DERMATOLOGY, PLLC",
        "enumeration_date": "2019-06-24",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A",
        "authorized_official_last_name": "KRATHEN",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_middle_name": "SCOTT",
        "authorized_official_title_or_position": "MANAGING MEMBER",
        "authorized_official_telephone_number": "508-827-2615",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dermatology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Essential Dermatology",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Natick, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.