Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

WINDSOR DERMATOLOGY, PLLC
NPI 1336058684
Dermatology in Fort Collins, CO

Active since September 03, 2026
2121 E HARMONY RD UNIT 310, FORT COLLINS, CO 80528(970) 667-0304(970) 669-5153 Get Directions Write a Review

NPPES record added: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Windsor Dermatology, Pllc NPPES

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

WINDSOR DERMATOLOGY, PLLC (NPI 1336058684), doing business as Larsen Dermatology Institute, is a healthcare organization registered as a dermatology in Fort Collins, Colorado and active in the NPI registry since September 2026. The organization lists Ammon Jean Larsen, Owner, as its authorized official.

NPPES Registry Identity

NPI1336058684
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameWINDSOR DERMATOLOGY, PLLC
Location Address2121 E HARMONY RD UNIT 310Fort Collins, CO 80528-3403
Mailing Address4025 St Cloud Dr Ste 110Loveland, CO 80538-8960 · (970) 667-0304 · Fax (970) 669-5153
Fax(970) 669-5153
Organization SubpartYes
Authorized OfficialAmmon Jean LarsenOwner · (970) 667-0304
Enumeration DateSeptember 3, 2026
NPPES CertifiedSeptember 3, 2026
NPI 1336058684 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.
2121 E HARMONY RD UNIT 310, Fort Collins, CO 80528

Other Names 1

Doing Business AsLarsen Dermatology Institute

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

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
2121 E HARMONY RD UNIT 310
FORT COLLINS, CO 80528
Nurse Practitioner (Family)
2121 E HARMONY RD UNIT 310
FORT COLLINS, CO 80528
Physical Therapist
2121 E HARMONY RD UNIT 310
FORT COLLINS, CO 80528
Nurse Practitioner (Family)
2121 E HARMONY RD UNIT 310
FORT COLLINS, CO 80528
Nurse Practitioner (Family)
2121 E HARMONY RD UNIT 310
FORT COLLINS, CO 80528

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 Windsor Dermatology, PLLC's NPI number?

The NPI number for Windsor Dermatology, PLLC is 1336058684. It was assigned to this organization in the NPPES registry on September 3, 2026. The provider is doing business as Larsen Dermatology Institute.

Where is Windsor Dermatology, PLLC located?

Windsor Dermatology, PLLC is located at 2121 E Harmony Rd Unit 310, Fort Collins, CO 80528. The listed phone number is (970) 667-0304.

What is Windsor Dermatology, PLLC's specialty?

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

When was this NPI record last updated?

The NPPES record for Windsor Dermatology, PLLC was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.