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WILLIAM SUMMAY
NPI 1093588725
Counselor - Professional in Louisville, KY

Active since November 03, 2023PECOS Enrolled
633 BAXTER AVE, LOUISVILLE, KY 40204(502) 309-2408(502) 771-4283 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 11, 2026, Nov 3, 2023 (2 updates tracked since 2023).

About William Summay NPPES

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

WILLIAM SUMMAY (NPI 1093588725) is an individual professional provider in Louisville, Kentucky, licensed in Kentucky (289905) and active in the NPI registry since November 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093588725
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameWILLIAM SUMMAY
Location Address633 BAXTER AVELouisville, KY 40204-1157
Mailing Address633 Baxter AveLouisville, KY 40204-1157 · (502) 309-2408 · Fax (502) 771-4283
Phone(502) 309-2408
Fax(502) 771-4283
Sole ProprietorYes
Enumeration DateNovember 3, 2023
Last NPPES UpdateMarch 11, 20262 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
✔ NPI 1093588725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Licenses✔ Licensed in KY · 289905✔ Licensed in PA · PC017814P
633 BAXTER AVE, Louisville, KY 40204
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show William Summay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brightside Medical, P.C.
1,991 mi
Psychiatry
5214F DIAMOND HEIGHTS BLVD # 345
San Francisco, CA 94131
  • Reassigned Medicare billing, Kentucky enrollment
  • Medicare enrollment name: Brightside Medical PC
  • 9 clinicians in this Medicare group
NPI 1801355482 (415) 360-3348

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

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. GABRIELLE TURNER ELZY
Psychologist (Counseling)
633 BAXTER AVE
LOUISVILLE, KY 40204
Jefferson County (502) 309-2408
DR. JACKS X GILLES PSY.D., LP
Psychologist (Clinical)
633 BAXTER AVE
LOUISVILLE, KY 40204
Jefferson County (502) 309-2408
BETHANY DARLENE SIMON
Psychologist (Clinical)
633 BAXTER AVE
LOUISVILLE, KY 40204
Jefferson County (502) 309-2408
ANA CAROLINA GARZON BELLO M.ED.
Psychologist
633 BAXTER AVE
LOUISVILLE, KY 40204
Jefferson County (502) 309-2408
ANDREW HICKMAN
Psychologist (Clinical)
633 BAXTER AVE
LOUISVILLE, KY 40204
Jefferson County (502) 309-2408
KENNETHA WILLIAMS DNP, APRN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
633 BAXTER AVE
LOUISVILLE, KY 40204
Jefferson County (502) 309-2408
STACY R SEXTON
Psychologist
633 BAXTER AVE
LOUISVILLE, KY 40204
Jefferson County (502) 309-2408
MICHAEL CAMERON MAY LCPC
Counselor (Professional)
633 BAXTER AVE
LOUISVILLE, KY 40204
Jefferson County (502) 309-2408

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 William Summay's NPI number?

The NPI number for William Summay is 1093588725. It was assigned to this individual provider in the NPPES registry on November 3, 2023.

Where is William Summay located?

William Summay practices at 633 Baxter Ave, Louisville, KY 40204. The listed phone number is (502) 309-2408.

What is William Summay's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is William Summay enrolled in Medicare?

Yes. William Summay is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Summay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Summay reassigns Medicare benefits to Brightside Medical, P.C. (San Francisco, CA). The 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 William Summay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Summay accept?

Health plans from Anthem Blue Cross and Blue Shield list William Summay 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 William Summay was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.