Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DOLAR R KOYA MD SC
NPI 1811144868
Dermatology in Hinsdale, IL

Active since August 21, 2008
333 W CHESTNUT ST STE 205, HINSDALE, IL 60521(630) 654-3376(630) 655-3872 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dolar R Koya Md Sc NPPES

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

DOLAR R KOYA MD SC (NPI 1811144868) is a healthcare organization registered as a dermatology in Hinsdale, Illinois and active in the NPI registry since August 2008. The organization lists Dolar R Koya, Owner, as its authorized official.

NPPES Registry Identity

NPI1811144868
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameDOLAR R KOYA MD SC
Location Address333 W CHESTNUT ST STE 205Hinsdale, IL 60521-3700
Mailing Address333 W Chestnut St Ste 205Hinsdale, IL 60521-3700 · (630) 654-3376 · Fax (630) 655-3872
Fax(630) 655-3872
Organization SubpartYes
Authorized OfficialDolar R KoyaOwner · (630) 654-3376
Enumeration DateAugust 21, 2008
Last NPPES UpdateOctober 7, 2026
NPPES CertifiedOctober 7, 2026
✔ NPI 1811144868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in IL · 036055698
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.
333 W CHESTNUT ST STE 205, Hinsdale, IL 60521

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dolar R Koya Md Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Dolar R Koya MD Sc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Emergency Medicine
NPI 1538238860
333 W CHESTNUT ST STE 205
Hinsdale, IL 60521
(630) 654-3376
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1932542602
333 W CHESTNUT ST STE 205
Hinsdale, IL 60521
(630) 654-3376
✔ PECOS✔ Accepts MedicareSame address

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 Dolar R Koya MD Sc's NPI number?

The NPI number for Dolar R Koya MD Sc is 1811144868. It was assigned to this organization in the NPPES registry on August 21, 2008.

Where is Dolar R Koya MD Sc located?

Dolar R Koya MD Sc is located at 333 W Chestnut St Ste 205, Hinsdale, IL 60521. The listed phone number is (630) 654-3376.

What is Dolar R Koya MD Sc's specialty?

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

Is Dolar R Koya MD Sc enrolled in Medicare?

Yes. Dolar R Koya MD Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dolar R Koya MD Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Dolar R Koya MD Sc, in Emergency Medicine and Hospitalist. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Dolar R Koya MD Sc was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.