MANDEL DERMATOLOGY BOULDER PLLC
NPI 1609518828
Dermatology in Boulder, CO

Active since April 08, 2022
2575 SPRUCE ST UNIT C, BOULDER, CO 80302(720) 741-8051(720) 741-8720 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 16, 2026, Dec 21, 2025, Dec 16, 2023 and 1 more (4 updates tracked since 2022).

About Mandel Dermatology Boulder Pllc NPPES

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

MANDEL DERMATOLOGY BOULDER PLLC (NPI 1609518828) is a healthcare organization registered as a dermatology in Boulder, Colorado and active in the NPI registry since April 2022. The organization lists Mitchell Jay Mandel, Managing Member, as its authorized official.

NPPES Registry Identity

NPI1609518828
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameMANDEL DERMATOLOGY BOULDER PLLC
Location Address2575 SPRUCE ST UNIT CBoulder, CO 80302-3806
Mailing Address45 Northern BlvdGreenvale, NY 11548-1346 · (516) 506-7546 · Fax (720) 306-7224
Fax(720) 741-8720
Organization SubpartNo
Authorized OfficialMitchell Jay MandelManaging Member · (720) 741-8051
Enumeration DateApril 8, 2022
Last NPPES UpdateApril 16, 20264 updates tracked since enumeration
NPPES CertifiedApril 16, 2026
✔ NPI 1609518828 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.
2575 SPRUCE ST UNIT C, Boulder, CO 80302

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mandel Dermatology Boulder Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Mandel Dermatology Boulder PLLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Nurse Practitioner
NPI 1417625930
2575 SPRUCE ST UNIT C
Boulder, CO 80302
(720) 741-8051
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1154146413
2575 SPRUCE ST UNIT C
Boulder, CO 80302
(720) 741-8051
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1700652807
2575 SPRUCE ST UNIT C
Boulder, CO 80302
(720) 741-8051
✔ PECOS✔ Accepts MedicareSame address
Dermatology
NPI 1063972040
3434 47TH ST STE 200
Boulder, CO 80301
(303) 444-8100
✔ PECOS✔ Accepts Medicare1.4 mi
Dermatology
NPI 1710076427
116 E 68TH ST APT 1C
New York, NY 10065
(212) 570-9595
✔ PECOS✔ Accepts Medicare1,643 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 Mandel Dermatology Boulder PLLC's NPI number?

The NPI number for Mandel Dermatology Boulder PLLC is 1609518828. It was assigned to this organization in the NPPES registry on April 8, 2022.

Where is Mandel Dermatology Boulder PLLC located?

Mandel Dermatology Boulder PLLC is located at 2575 Spruce St Unit C, Boulder, CO 80302. The listed phone number is (720) 741-8051.

What is Mandel Dermatology Boulder PLLC's specialty?

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

Is Mandel Dermatology Boulder PLLC enrolled in Medicare?

Yes. Mandel Dermatology Boulder PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mandel Dermatology Boulder PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Mandel Dermatology Boulder PLLC. 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 Nurse Practitioner (3) and Dermatology (2). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mandel Dermatology Boulder PLLC was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.