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DERMATOLOGY ASSOCIATES LLC
NPI 1780635342
Dermatology in Portland, ME

Active since May 16, 2006CLIA Certified · 2 labs
50 SEWALL ST, PORTLAND, ME 04102(207) 775-3526(207) 775-5658 Get Directions Write a Review

NPPES record last updated: June 12, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 12, 2023, Feb 16, 2022 (2 updates tracked since 2022).

About Dermatology Associates Llc NPPES

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

DERMATOLOGY ASSOCIATES LLC (NPI 1780635342) is a healthcare organization registered as a dermatology in Portland, Maine and active in the NPI registry since May 2006. The organization holds 2 active CLIA laboratory certificates and lists Rachel H Gormley, Md/owner, as its authorized official.

NPPES Registry Identity

NPI1780635342
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameDERMATOLOGY ASSOCIATES, LLC
Location Address50 SEWALL STPortland, ME 04102-2624
Mailing Address50 Sewall StPortland, ME 04102-2624 · (207) 775-3526 · Fax (207) 775-5658
Phone(207) 775-3526
Fax(207) 775-5658
Organization SubpartNo
Authorized OfficialRachel H GormleyMd/owner · (207) 775-3526
Enumeration DateMay 16, 2006
Last NPPES UpdateJune 12, 20232 updates tracked since enumeration
NPPES CertifiedJune 12, 2023
✔ NPI 1780635342 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.
50 SEWALL ST, Portland, ME 04102
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Other Names 1

Doing Business AsDermatology Associates Llc

Other Identifiers 1

Medicaid131510100ME

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 Florida Blue (BlueCross BlueShield FL), WellSense Health Plan.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)

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

Clinicians Billing Medicare Through This Organization

21

Medicare enrollment records show 21 clinicians reassign Medicare billing to Dermatology Associates LLC, which bills Medicare for the services they deliver. Of these, 17 practice at this address and 19 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Dermatology18
Nurse Practitioner3

Nearest to this location (20)

See all 21
David Baginski, M.D.
Dermatology
NPI 1619915451
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Mairead Baker
Dermatology
NPI 1265992259
50 SEWALL ST STE 302
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Nathan Brewer, M.D.
Dermatology
NPI 1679610786
50 SEWALL ST STE 302
Portland, ME 04102
(072) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Soren Craig-Muller, M.D.
Dermatology
NPI 1205214798
50 SEWALL ST STE 302
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Anthony Guzman
Dermatology
NPI 1083024954
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Kateri Jeffery, FNP-BC
Nurse Practitioner
NPI 1649889874
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Andrew Joselow, M.D.
Dermatology
NPI 1265963730
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Lauren Ko, MD
Dermatology
NPI 1154826824
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Cynthia Palmer, FNP
Nurse Practitioner
NPI 1689613812
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
David Baird, M.D.
Dermatology
NPI 1700170149
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Allen Bruce, MD PHD
Dermatology
NPI 1427175934
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Rachel Gormley, MD
Dermatology
NPI 1316267990
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Keith Kostelnik, M.D.
Dermatology
NPI 1346289683
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Kristin Mathieson, F.N.P.
Nurse Practitioner
NPI 1760680755
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Allison Mccrory, M.D.
Dermatology
NPI 1992753743
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Wiley Smith, M.D.
Dermatology
NPI 1184681769
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Christopher Steen, MD
Dermatology
NPI 1285755124
50 SEWALL ST DERMATOLOGY ASSOCIATES
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts MedicareSame address
Jennifer Bragg, M.D.
Dermatology
NPI 1093921025
50 SEWALL STREET
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts Medicare0.1 mi
Carmen Rinaldi, M.D.
Dermatology
NPI 1083694509
50 SEWALL ST
Portland, ME 04102
(207) 775-3526
✔ PECOS✔ Accepts Medicare0.1 mi
Richard Torbeck, M.D.
Dermatology
NPI 1700229283
6 LOWELL AVE
New Hyde Park, NY 11040
(516) 326-4160
✔ PECOS✔ Accepts Medicare266 mi
See all 21 clinicians

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

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 20D0702304

Dermatology Associates · Portland, ME
Active · expires Jul 11, 2028
CLIA Number20D0702304
Laboratory TypePhysician Office
Certificate Effective DateJuly 12, 2026
Certificate Expiration DateJuly 11, 2028
Laboratory DirectorCarmen J. Rinaldi
Laboratory Phone(207) 775-3526
Laboratory LocationDermatology Associates50 Sewall Street, Portland, ME 04102
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate of Compliance 20D2267598

Dermatology Associates · Portland, ME
Active · expires Aug 1, 2027
CLIA Number20D2267598
Laboratory TypeMoha Laboratory
Certificate Effective DateAugust 2, 2025
Certificate Expiration DateAugust 1, 2027
Laboratory DirectorRichard L. Torbeck
Laboratory Phone(207) 775-3526
Laboratory LocationDermatology Associates50 Sewall St, Portland, ME 04102
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Dermatology Associates, LLC's NPI number?

The NPI number for Dermatology Associates, LLC is 1780635342. It was assigned to this organization in the NPPES registry on May 16, 2006. The provider is doing business as Dermatology Associates LLC.

Where is Dermatology Associates, LLC located?

Dermatology Associates, LLC is located at 50 Sewall St, Portland, ME 04102. The listed phone number is (207) 775-3526.

What is Dermatology Associates, LLC's specialty?

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

Is Dermatology Associates, LLC enrolled in Medicare?

Yes. Dermatology Associates, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dermatology Associates, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 21 clinicians in 2 Medicare specialties reassign their Medicare billing to Dermatology Associates, 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. The largest specialties are Dermatology (18) and Nurse Practitioner (3). Of these, 17 practice at this address and 19 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Dermatology Associates, LLC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Dermatology Associates, LLC accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and WellSense Health Plan list Dermatology Associates, 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 Dermatology Associates, LLC was last updated on June 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.