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DR. ROBERT ANDREW WILLIAMS MD
NPI 1558627125
Emergency Medicine in Louisville, KY

Active since April 07, 2012PECOS EnrolledAccepts Medicare Assignment
3615 NEWBURG RD, LOUISVILLE, KY 40218(502) 909-0772(855) 859-0123 Get Directions Write a Review

NPPES record last updated: December 19, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 19, 2022, Jul 29, 2021, Jul 18, 2018 and 1 more (4 updates tracked since 2016).

About Dr. Robert Andrew Williams Md NPPES

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

DR. ROBERT ANDREW WILLIAMS MD (NPI 1558627125) is an individual emergency medicine provider in Louisville, Kentucky, licensed in Kentucky (48644) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and is a graduate of University Of Kentucky College Of Medicine (2012).

NPPES Registry Identity

NPI1558627125
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ROBERT ANDREW WILLIAMSCredential: MD
Location Address3615 NEWBURG RDLouisville, KY 40218-3368
Mailing Address222 Medical CirMorehead, KY 40351-1179 · (606) 783-6611
Phone(502) 909-0772
Fax(855) 859-0123
Sole ProprietorYes
Medical School CMSUniversity Of Kentucky College Of MedicineGraduated 2012
Enumeration DateApril 7, 2012
Last NPPES UpdateDecember 19, 20224 updates tracked since enumeration
NPPES CertifiedDecember 19, 2022
✔ NPI 1558627125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in KY · 48644✔ Licensed in OK · 29179
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3615 NEWBURG RD, Louisville, KY 40218
Open in Google Maps ↗

Other Identifiers 4

Other29179OK · Ok Medical License
Other48644KY · Ky Med License
OtherME130007FL · Fl Med License
OtherR1673TX · Tx Med License

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

Dr. Robert Andrew Williams Md 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.

PECOS PAC ID42437303
PECOS Enrollment IDI20150903000326, I20210111000896
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 Reassignments

3

Medicare enrollment records show Robert Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aptiva Health
Same address
Orthopaedic Surgery
3615 NEWBURG RD
Louisville, KY 40218
  • Reassigned Medicare billing, Indiana and Kentucky enrollments
  • 6 clinicians in this Medicare group
NPI 1669967881 (502) 812-1002
St. Claire Medical Center, Inc
104 mi
Rural Health
632 SLATE AVE
Owingsville, KY 40360
  • Reassigned Medicare billing, Kentucky enrollment
  • 296 clinicians in this Medicare group
NPI 1134180920 (606) 674-6386
Southeastern Emergency Physicians LLC
106 mi
Emergency Medicine
989 MEDICAL PARK DR
Maysville, KY 41056
  • Reassigned Medicare billing, Kentucky enrollment
  • 828 clinicians in this Medicare group
NPI 1356379382 (606) 759-5311

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40218 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.24 typical visit price
range $52.76 – $162.27
Typical copayment $20.56 (range $13.19 – $40.56)
Most-billed visit code 99203
Established Patient
$93.94 typical visit price
range $16.53 – $131.99
Typical copayment $23.48 (range $4.13 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

HANNAH MARIE RICHARDSON PSYD
Clinical Neuropsychologist
3615 NEWBURG RD
LOUISVILLE, KY 40218
Jefferson County (502) 909-0772
ANTHONY KOLTER PT
Physical Therapist
3615 NEWBURG RD
LOUISVILLE, KY 40218
Jefferson County (502) 909-0772
SYDNEY M CAWVEY PT
Physical Therapist
3615 NEWBURG RD
LOUISVILLE, KY 40218
Jefferson County (502) 909-0772
MICHAEL E GILBERT PA-C
Physician Assistant
3615 NEWBURG RD
LOUISVILLE, KY 40218
Jefferson County (502) 909-0772
BROOKE DUNCAN STACY
Massage Therapist
3615 NEWBURG RD
LOUISVILLE, KY 40218
Jefferson County (502) 909-0772
AKILAH FLAHERTY
Physical Therapy Assistant
3615 NEWBURG RD
LOUISVILLE, KY 40218
Jefferson County (502) 909-0772
DR. JAMES STEVE SMITH MD
Orthopaedic Surgery
3615 NEWBURG RD
LOUISVILLE, KY 40218
Jefferson County (502) 909-0772
DILLON PRUETT DPT
Physical Therapist
3615 NEWBURG RD
LOUISVILLE, KY 40218
Jefferson County (502) 909-0772

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 Robert Williams's NPI number?

The NPI number for Robert Williams is 1558627125. It was assigned to this individual provider in the NPPES registry on April 7, 2012.

Where is Robert Williams located?

Robert Williams practices at 3615 Newburg Rd, Louisville, KY 40218. The listed phone number is (502) 909-0772.

What is Robert Williams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Robert Williams enrolled in Medicare?

Yes. Robert Williams 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 Robert Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Williams reassigns Medicare benefits to 3 organizations: Aptiva Health (Louisville, KY), St. Claire Medical Center, Inc (Owingsville, KY) and Southeastern Emergency Physicians LLC (Maysville, KY). 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 Robert Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Williams was last updated on December 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.