Robert Lewis Sasser, MD
Internal Medicine Physician · Louisville, KY
Robert Lewis Sasser, MD is an internal medicine physician with a practice address in Louisville, Kentucky, and NPI 1891889929, issued on Oct 3, 2006. Check the license (Kentucky 24707, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Robert Lewis Sasser
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 24707 KY
Self-reported in NPPES; status is on the state search - Practice location
- 3828 Bardstown RD, Louisville, KY 40218
- Phone
- (502) 459-4900
- Enumerated
- Oct 3, 2006
- Record last updated
- Dec 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (502) 454-0591
- Medicaid ID
- 64247075 KY
- Medicare enrollment
- Enrolled (PECOS I20100326000648); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 3828 Bardstown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Davis, MDFamily Medicine Physician1952495038
- Gabriela Grau Apa, APRNFamily Nurse Practitioner1871300608
- Raul Ibanez Hernandez, APRNGerontology Nurse Practitioner1699571083
- Bryan Iglehart, MDInternal Medicine Physician1538253612
Verify Robert Lewis Sasser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 24707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average internal medicine physician in 2024
13,533 Medicare Part D claims for 806 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 634 claims were for opioids.
Most prescribed
- Atorvastatin Calcium512 claims
- Rosuvastatin Calcium430 claims
- Amlodipine Besylate382 claims
- Omeprazole373 claims
- Levothyroxine Sodium356 claims
- Zolpidem Tartrate347 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.
The MIPS final score for 2023 (Medicare payment program): 95.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,160.22
129 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Louisville Physicians IncLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Lewis Sasser among 1,526 internal medicine physician records in Kentucky
Robert Lewis Sasser, MD is one of 1,526 internal medicine physician records with a practice address in Kentucky. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1985 · median 2006 among the 1,025 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
457 internal medicine physician records list a practice address in Louisville
They are 457 of the 21,891 NPPES records with a practice address in Louisville, and 1,526 internal medicine physician records in Kentucky.
All 1,526 in Kentucky → Every provider in Louisville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Herman Baumann, MDLouisville, KY 402181306801964
- Sarah EnglandLouisville, KY 402181013441179
- Dylan Flaherty, DOLouisville, KY 402181821626730
- Michael Gross, MDLouisville, KY 402181568493328
- Lauren Hasselbacher, MDLouisville, KY 402181295827392
- Mary Ann Henry, M.D.Louisville, KY 402181881659191
- Bryan Iglehart, MDLouisville, KY 402181538253612
- Douglas Marquess, MDLouisville, KY 402181073502316
Common questions
What is Robert Lewis Sasser, MD's NPI number?
Robert Lewis Sasser, MD's National Provider Identifier (NPI) is 1891889929, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Lewis Sasser, MD located?
The NPPES record lists a practice address at 3828 Bardstown RD, Louisville, KY, 40218. Phone: (502) 459-4900. Providers update this record themselves, so call before visiting.
How can I verify Robert Lewis Sasser, MD's license?
NPPES lists Kentucky license number 24707, 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 Lewis Sasser, MD prescribe under Medicare Part D?
In 2024, Robert Lewis Sasser, MD had 13,533 Medicare Part D claims for 806 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert Lewis Sasser, MD's MIPS final score?
The 2023 MIPS final score is 95.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.