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NORTHEAST DERMATOLOGY ASSOCIATES
NPI 1669844163
Dermatology in North Andover, MA

Active since October 22, 2015
538 TURNPIKE ST, NORTH ANDOVER, MA 01845(978) 691-5690(978) 691-5693 Get Directions Write a Review

NPPES record last updated: October 23, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 24, 2018, Mar 17, 2018, Nov 27, 2017 (3 updates tracked since 2017).

About Northeast Dermatology Associates NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NORTHEAST DERMATOLOGY ASSOCIATES (NPI 1669844163) is a healthcare organization registered as a dermatology in North Andover, Massachusetts and active in the NPI registry since October 2015. The organization maintains 5 additional practice locations and lists Kathleen Mathison-reynolds, Credentialing Manager, as its authorized official.

NPPES Registry Identity

NPI1669844163
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameNEDAN LLC
Location Address538 TURNPIKE STNorth Andover, MA 01845-5812
Mailing Address280 Merrimack St Ste 311Lawrence, MA 01843-1779 · (978) 691-5690 · Fax (978) 691-5693
Phone(978) 691-5690
Fax(978) 691-5693
Organization SubpartNo
Authorized OfficialKathleen Mathison-reynoldsCredentialing Manager · (937) 241-5930
Enumeration DateOctober 22, 2015
Last NPPES UpdateOctober 23, 20243 updates tracked since enumeration
NPPES CertifiedOctober 23, 2024
✔ NPI 1669844163 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
538 TURNPIKE ST, North Andover, MA 01845
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Other Names 1

Doing Business AsNortheast Dermatology Associates

Secondary Practice Locations 5

Location 1198 Massachusetts Ave Ste 105North Andover, MA 01845-4143 · Phone (978) 691-5690 · Fax (978) 691-5693
Location 2138 Conant StBeverly, MA 01915-1665 · Phone (978) 691-5690 · Fax (978) 691-5693
Location 31 Blackburn DrGloucester, MA 01930-2292 · Phone (978) 691-5690 · Fax (978) 691-5693
Location 462 Brown St Ste 304CHaverhill, MA 01830-6790 · Phone (978) 691-5690 · Fax (978) 691-5693
Location 51 Wallace Bashaw Way Ste 1002Newburyport, MA 01950-3876 · Phone (978) 691-5690 · Fax (978) 691-5693

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Northeast Dermatology Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Northeast Dermatology Associates, which bills Medicare for the services this clinician delivers.

Clinician (1)

David Greenstein, M.D.
Dermatology
NPI 1205931789
138 CONANT ST 1ST FL
Beverly, MA 01915
(978) 927-5254
✔ PECOS✔ Accepts Medicare12 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nedan LLC's NPI number?

The NPI number for Nedan LLC is 1669844163. It was assigned to this organization in the NPPES registry on October 22, 2015. The provider is doing business as Northeast Dermatology Associates.

Where is Nedan LLC located?

Nedan LLC is located at 538 Turnpike St, North Andover, MA 01845. The listed phone number is (978) 691-5690.

What is Nedan LLC's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Nedan LLC enrolled in Medicare?

Yes. Nedan LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nedan LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Dermatology) reassigns their Medicare billing to Nedan LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Nedan LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Nedan LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nedan LLC was last updated on October 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.