WILLIAM P WERSCHLER MD
NPI 1649367889
Dermatology in Spokane, WA

Active since October 09, 2006CLIA 50D0882332 · Certificate of Compliance
324 S SHERMAN ST, SUITE A1, SPOKANE, WA 99202(509) 624-1184(509) 625-1449 Get Directions Write a Review

NPPES record last updated: September 17, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William P Werschler Md NPPES

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

WILLIAM P WERSCHLER MD (NPI 1649367889) is a healthcare organization registered as a dermatology in Spokane, Washington and active in the NPI registry since October 2006. The organization holds a CLIA Certificate of Compliance certificate valid through April 4, 2028 and lists John Driscoll, Administrator, as its authorized official.

NPPES Registry Identity

NPI1649367889
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameSPOKANE DERMATOLOGY CLINIC PS
Location Address324 S SHERMAN ST, SUITE A1Spokane, WA 99202-1461
Mailing Address324 S Sherman St, Suite A1Spokane, WA 99202-1461 · (509) 624-1184 · Fax (509) 625-1449
Fax(509) 625-1449
Organization SubpartNo
Authorized OfficialJohn DriscollAdministrator · (509) 624-1184
Enumeration DateOctober 9, 2006
Last NPPES UpdateSeptember 17, 2015
✔ NPI 1649367889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedDermatology · MOHS-Micrographic SurgeryTaxonomy 207ND0101X
324 S SHERMAN ST, Spokane, WA 99202

Other Names 1

Doing Business AsWilliam P Werschler Md

Other Identifiers 2

Medicare PING319204600
OtherCE1737WA · Railroad Medicare

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 MULTIPLE SINGLE SPECIALTY GROUP

Accepted 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)

William P Werschler Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to William P Werschler MD, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Dermatology
NPI 1023119682
104 W 5TH AVE 330W
Spokane, WA 99204
(509) 624-1184
✔ PECOS✔ Accepts Medicare0.5 mi
Internal Medicine
NPI 1336358761
1224 E WESTVIEW CT
Spokane, WA 99218
(509) 483-4629
✔ PECOS6.4 mi
Nurse Practitioner
NPI 1255312989
1700 W RIVERSTONE DR
Coeur D Alene, ID 83814
(208) 770-2822
✔ PECOS✔ Accepts Medicare28 mi
Nurse Practitioner
NPI 1669747473
107 W MAIN AVE
Chewelah, WA 99109
(253) 229-5504
✔ PECOS45 mi
Radiation Oncology
NPI 1508854290
504 6TH ST
Lewiston, ID 83501
(208) 799-5600
✔ PECOS✔ Accepts Medicare87 mi
Dermatology
NPI 1275669459
12811 8TH AVE W SUITE D-109
Everett, WA 98204
(425) 743-7888
✔ PECOS✔ Accepts Medicare226 mi
Radiation Oncology
NPI 1205831922
14662 NEWPORT AVE
Tustin, CA 92780
(714) 573-9500
✔ PECOS✔ Accepts Medicare961 mi
Nurse Practitioner
NPI 1932963824
913 N MARKET ST STE 200
Wilmington, DE 19801
(877) 345-5300
✔ PECOS✔ Accepts Medicare2,138 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 50D0882332

Spokane Dermatology Clinic · Spokane, WA
Active · expires Apr 4, 2028
CLIA Number50D0882332
Laboratory TypePhysician Office
Certificate Effective DateNovember 2, 1994
Certificate Expiration DateApril 4, 2028
Laboratory DirectorWilliam P. Werschler
Laboratory Phone(509) 624-1184
Laboratory LocationSpokane Dermatology Clinic324 S Sherman St, Spokane, WA 99202
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Spokane Dermatology Clinic Ps's NPI number?

The NPI number for Spokane Dermatology Clinic Ps is 1649367889. It was assigned to this organization in the NPPES registry on October 9, 2006. The provider is doing business as William P Werschler MD.

Where is Spokane Dermatology Clinic Ps located?

Spokane Dermatology Clinic Ps is located at 324 S Sherman St Suite A1, Spokane, WA 99202. The listed phone number is (509) 624-1184.

What is Spokane Dermatology Clinic Ps's specialty?

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

Is Spokane Dermatology Clinic Ps enrolled in Medicare?

Yes. Spokane Dermatology Clinic Ps is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Spokane Dermatology Clinic Ps?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 4 Medicare specialties reassign their Medicare billing to Spokane Dermatology Clinic Ps. 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), Dermatology (2) and Radiation Oncology (2). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Spokane Dermatology Clinic Ps hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 50D0882332) is associated with this NPI, valid through April 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Spokane Dermatology Clinic Ps accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Spokane Dermatology Clinic Ps 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 Spokane Dermatology Clinic Ps was last updated on September 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.