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DERMATOLOGY ASSOCIATES PC
NPI 1629032404
Dermatology in Waterloo, IA

Active since April 17, 2006
220 SOUTHBROOK DR, WATERLOO, IA 50702(319) 236-3444(319) 236-0257 Get Directions Write a Review

NPPES record last updated: July 19, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 19, 2022, Aug 22, 2020 (2 updates tracked since 2020).

About Dermatology Associates Pc NPPES

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

DERMATOLOGY ASSOCIATES PC (NPI 1629032404) is a healthcare organization registered as a dermatology in Waterloo, Iowa and active in the NPI registry since April 2006. The organization lists Bryan David Sands, President, as its authorized official.

NPPES Registry Identity

NPI1629032404
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameDERMATOLOGY ASSOCIATES PC
Location Address220 SOUTHBROOK DRWaterloo, IA 50702-5802
Mailing Address3812 Pheasant LnWaterloo, IA 50701-5200 · (319) 236-3444 · Fax (319) 236-0257
Phone(319) 236-3444
Fax(319) 236-0257
Organization SubpartNo
Authorized OfficialBryan David SandsPresident · (319) 236-3444
Enumeration DateApril 17, 2006
Last NPPES UpdateJuly 19, 20222 updates tracked since enumeration
NPPES CertifiedJuly 19, 2022
✔ NPI 1629032404 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.
220 SOUTHBROOK DR, Waterloo, IA 50702
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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)

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

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Dermatology Associates PC, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Wendy Chapin, ARNP
Nurse Practitioner
NPI 1740616739
3812 PHEASANT LN
Waterloo, IA 50701
(319) 236-3444
✔ PECOS✔ Accepts Medicare0.4 mi
Annette Geary, FNP-BC
Nurse Practitioner
NPI 1952362683
3812 PHEASANT LN
Waterloo, IA 50701
(319) 236-3444
✔ PECOS✔ Accepts Medicare0.4 mi
Rhian Gronewold, ARNP-BC
Nurse Practitioner
NPI 1912374141
3812 PHEASANT LN
Waterloo, IA 50701
(319) 236-3444
✔ PECOS✔ Accepts Medicare0.4 mi
Bryan Sands, DO
Dermatology
NPI 1770548570
3812 PHEASANT LN
Waterloo, IA 50701
(319) 236-3444
✔ PECOS✔ Accepts Medicare0.4 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 PC's NPI number?

The NPI number for Dermatology Associates PC is 1629032404. It was assigned to this organization in the NPPES registry on April 17, 2006.

Where is Dermatology Associates PC located?

Dermatology Associates PC is located at 220 Southbrook Dr, Waterloo, IA 50702. The listed phone number is (319) 236-3444.

What is Dermatology Associates PC's specialty?

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

Is Dermatology Associates PC enrolled in Medicare?

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

How many clinicians bill Medicare through Dermatology Associates PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Dermatology Associates 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. The largest specialties are Nurse Practitioner (3) and Dermatology (1). Of these, 4 practice 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 Dermatology Associates PC was last updated on July 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.