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DERMATOLOGY ASSOCIATES OF SIOUXLAND, PC
NPI 1417088907
Specialist in Sioux City, IA

Active since March 08, 2007
2930 HAMILTON BLVD, STE. 102, SIOUX CITY, IA 51104(712) 277-9370(712) 252-4733 Get Directions Write a Review

NPPES record last updated: August 17, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dermatology Associates Of Siouxland, Pc NPPES

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

DERMATOLOGY ASSOCIATES OF SIOUXLAND, PC (NPI 1417088907), doing business as Drs. Rossiter & Demay, Llp, is a healthcare organization registered as a specialist in Sioux City, Iowa and active in the NPI registry since March 2007. The organization lists J. Mark Demay, Dermatologist, as its authorized official.

NPPES Registry Identity

NPI1417088907
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameDERMATOLOGY ASSOCIATES OF SIOUXLAND, PC
Location Address2930 HAMILTON BLVD, STE. 102Sioux City, IA 51104-2425
Mailing Address2930 Hamilton Blvd, Ste. 102Sioux City, IA 51104-2425 · (712) 277-9370 · Fax (712) 252-4733
Phone(712) 277-9370
Fax(712) 252-4733
Organization SubpartNo
Authorized OfficialJ. Mark DemayDermatologist · (712) 277-9370
Enumeration DateMarch 8, 2007
Last NPPES UpdateAugust 17, 2016
✔ NPI 1417088907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in IA · 31906
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2930 HAMILTON BLVD, Sioux City, IA 51104
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Other Names 1

Former Legal Business NameDrs. Rossiter & Demay, Llp

Other Identifiers 3

Other1417088907IA · Wellmark Blue Cross & Blue Shield Group Npi
OtherIB2763IA · Medicare Group Ptan
OtherDT7736IA · Medicare Rr Group Ptan

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 Avera Health Plans.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 Of Siouxland, Pc 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 Dermatology Associates Of Siouxland, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

John Demay, MD
Dermatology
NPI 1366447294
2930 HAMILTON BLVD STE 102
Sioux City, IA 51104
(712) 277-9370
✔ PECOS✔ Accepts Medicare0.1 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 Dermatology Associates Of Siouxland, PC's NPI number?

The NPI number for Dermatology Associates Of Siouxland, PC is 1417088907. It was assigned to this organization in the NPPES registry on March 8, 2007. The provider was formerly known as Drs. Rossiter & Demay, LLP.

Where is Dermatology Associates Of Siouxland, PC located?

Dermatology Associates Of Siouxland, PC is located at 2930 Hamilton Blvd Ste. 102, Sioux City, IA 51104. The listed phone number is (712) 277-9370.

What is Dermatology Associates Of Siouxland, PC's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Dermatology Associates Of Siouxland, PC enrolled in Medicare?

Yes. Dermatology Associates Of Siouxland, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dermatology Associates Of Siouxland, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Dermatology) reassigns their Medicare billing to Dermatology Associates Of Siouxland, PC. 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 Dermatology Associates Of Siouxland, PC accept?

Health plans from Avera Health Plans list Dermatology Associates Of Siouxland, PC 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 Of Siouxland, PC was last updated on August 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.