NPPES file of Aug 9, 2026

Robert Andrew Williams, MD

Emergency Medicine Physician · Louisville, KY

Robert Andrew Williams, MD is an emergency medicine physician with a practice address in Louisville, Kentucky, and NPI 1558627125, issued on Apr 7, 2012. Check the license (Kentucky 48644, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558627125
Name
Robert Andrew Williams
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
48644 KY
29179 OK
Self-reported in NPPES; status is on the state search
Practice location
3615 Newburg RD, Louisville, KY 40218
Phone
(502) 909-0772
Enumerated
Apr 7, 2012
Record last updated
Dec 19, 2022
Fax
(855) 859-0123
Medicare enrollment
Enrolled (PECOS I20210111000896); accepts Medicare assignment
Medical or professional school
University Of Kentucky College Of Medicine, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3615 Newburg RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebecca Adams, LMTMassage Therapist1922873769
  2. Dovie Brown, PTAPhysical Therapy Assistant1568287027
  3. Sydney Cawvey, PTPhysical Therapist1104592773
  4. Akilah FlahertyPhysical Therapy Assistant1336062066
  5. Katherine Germak, PTAPhysical Therapy Assistant1649889064
  6. Michael Gilbert, PA-CPhysician Assistant1265438550

Verify Robert Andrew Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 48644
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Kentucky license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% fewer Medicare Part D claims than the average emergency medicine physician in 2024

37 Medicare Part D claims for 20 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Robert Williams37
  2. Specialty average226

Most prescribed

  1. Naproxen13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Aptiva HealthJeffersonville, IN
  2. Proactive Therapy, IncFrankfort, KY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Andrew Williams among 903 emergency medicine physician records in Kentucky

Robert Andrew Williams, MD is one of 903 emergency medicine physician records with a practice address in Kentucky. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.

  • NPI issued2012 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2012 · median 2011 among the 557 with a school on file
  • Record last updated2022 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Kentucky

There are 903 emergency medicine physician records in Kentucky.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Edward Fields, MDLouisville, KY 402181952367708
  2. Jarrett Greer, MDLouisville, KY 402181568491488
  3. Robert ObryanLouisville, KY 402181790051118
  4. William Rubin, M.D.Louisville, KY 402181184603474
  5. Maher Alia, DOLouisville, KY 402171669050290
  6. Riley Coots, MDLouisville, KY 402171972253904
  7. Eric Degeare, MDLouisville, KY 402171538781869
  8. John Dickens, MD, MBALouisville, KY 402171902463706

Common questions

What is Robert Andrew Williams, MD's NPI number?

Robert Andrew Williams, MD's National Provider Identifier (NPI) is 1558627125, issued on Apr 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Robert Andrew Williams, MD located?

The NPPES record lists a practice address at 3615 Newburg RD, Louisville, KY, 40218. Phone: (502) 909-0772. Providers update this record themselves, so call before visiting.

How can I verify Robert Andrew Williams, MD's license?

NPPES lists Kentucky license number 48644, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Andrew Williams, MD prescribe under Medicare Part D?

In 2024, Robert Andrew Williams, MD had 37 Medicare Part D claims for 20 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.