WILLIAM DENNISON BREWSTER JR.
NPI 1194429175
Internal Medicine in Lexington, KY
About William Dennison Brewster Jr. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM DENNISON BREWSTER JR. (NPI 1194429175) is an individual internal medicine provider in Lexington, Kentucky, licensed in Kentucky (06157) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Harrison Memorial Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2023).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Dennison Brewster Jr. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show William Brewster reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cynthiana, KY 41031
- Reassigned Medicare billing, Kentucky enrollment
- 81 clinicians in this Medicare group
Leitchfield, KY 42754
- Reassigned Medicare billing, Kentucky enrollment
- 107 clinicians in this Medicare group
Hardinsburg, KY 40143
- Reassigned Medicare billing, Kentucky enrollment
- 182 clinicians in this Medicare group
Paducah, KY 42003
- Reassigned Medicare billing, Kentucky enrollment
- 220 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Emergency Medicine Specialists Sc
- 244 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harrison Memorial Hospital
Acute Care Hospitals · Cynthiana, KYCarroll County Memorial Hospital
Critical Access Hospitals · Carrollton, KYAscension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIAscension All Saints Hospital
Acute Care Hospitals · Racine, WIAscension SE Wisconsin Hospital
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40536 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEXINGTON, KY 40536
LEXINGTON, KY 40536
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 Brewster's NPI number?
The NPI number for William Brewster is 1194429175. It was assigned to this individual provider in the NPPES registry on March 27, 2023.
Where is William Brewster located?
William Brewster practices at 800 Rose St, Lexington, KY 40536. The listed phone number is (859) 323-5083.
What is William Brewster's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Brewster enrolled in Medicare?
Yes. William Brewster is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Brewster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Brewster reassigns Medicare benefits to 5 organizations: Harrison Memorial Hospital Inc (Cynthiana, KY), Concord Company Of Tennessee PLLC (Leitchfield, KY), Concord Medical Group Of Kentucky PLLC (Hardinsburg, KY), Green Valley Emergency Physicians, LLC (Paducah, KY) and Emergency Medicine Specialists, S.C. (Milwaukee, WI). Each 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 Brewster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Brewster accept?
Health plans from CareSource (Common Ground Healthcare) list William Brewster 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.
Is William Brewster affiliated with any hospitals?
According to CMS data, William Brewster is affiliated with Harrison Memorial Hospital, Carroll County Memorial Hospital, Ascension Columbia St Mary's Hospital Milwaukee, Ascension All Saints Hospital and Ascension SE Wisconsin Hospital.
When was this NPI record last updated?
The NPPES record for William Brewster was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# William Dennison Brewster Jr. · NPI 1194429175
Internal Medicine physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since March 27, 2023.
## Identity
- **NPI:** 1194429175 (Entity type: Individual)
- **Enumerated:** March 27, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 06157 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 ROSE ST, Lexington, KY 40536-7001
- **Phone:** (859) 323-5083 · **Fax:** (859) 323-8056
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Harrison Memorial Hospital Inc (NPI 1669615233, Cynthiana, KY); Concord Company Of Tennessee PLLC (NPI 1649743667, Leitchfield, KY); Concord Medical Group Of Kentucky PLLC (NPI 1346746385, Hardinsburg, KY); Green Valley Emergency Physicians, LLC (NPI 1720755739, Paducah, KY); Emergency Medicine Specialists, S.C. (NPI 1568413524, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2023
## Record status
- **NPPES last updated:** August 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1194429175) · Data from the CMS NPPES public registry.