Robert B. Palmer Ball, MD
Internal Medicine Physician · Louisville, KY
Robert B. Palmer Ball, MD is an internal medicine physician with a practice address in Louisville, Kentucky, and NPI 1083775167, issued on Dec 13, 2006. Check the license (Kentucky 21470, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Robert B. Palmer Ball
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21470 KY
Self-reported in NPPES; status is on the state search - Practice location
- 12903 Shelbyville RD, Louisville, KY 40243
- Phone
- (502) 245-4301
- Enumerated
- Dec 13, 2006
- Record last updated
- Jul 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (502) 244-5829
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 12903 Shelbyville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert B. Palmer Ball in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 21470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,196 Medicare Part D claims for 360 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium272 claims
- Amlodipine Besylate97 claims
- Rosuvastatin Calcium61 claims
- Losartan Potassium60 claims
- Alprazolam56 claims
- Levothyroxine Sodium53 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Robert B. Palmer Ball among 1,526 internal medicine physician records in Kentucky
Robert B. Palmer Ball, 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 fileNo · 67% of these records are
- Record last updated2016 · 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
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- Paul Ciliberti, MDLouisville, KY 402431194874586
- Michael Davis, MDLouisville, KY 402431124064225
- Charles Gaba, MDLouisville, KY 402431801866025
- Keith Krawiec, MDLouisville, KY 402431730186545
- Diane Rennirt, M.DLouisville, KY 402431124083969
- Jeevanjot VirkLouisville, KY 402431699273722
Common questions
What is Robert B. Palmer Ball, MD's NPI number?
Robert B. Palmer Ball, MD's National Provider Identifier (NPI) is 1083775167, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert B. Palmer Ball, MD located?
The NPPES record lists a practice address at 12903 Shelbyville RD, Louisville, KY, 40243. Phone: (502) 245-4301. Providers update this record themselves, so call before visiting.
How can I verify Robert B. Palmer Ball, MD's license?
NPPES lists Kentucky license number 21470, 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 B. Palmer Ball, MD prescribe under Medicare Part D?
In 2024, Robert B. Palmer Ball, MD had 2,196 Medicare Part D claims for 360 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert B. Palmer Ball, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.