Robert G. Hammer, MD
Internal Medicine Physician · Louisville, KY
Robert G. Hammer, MD is an internal medicine physician with a practice address in Louisville, Kentucky, and NPI 1497799514, issued on Jun 16, 2006. Check the license (Kentucky 24503, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Robert G. Hammer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 24503 KY
Self-reported in NPPES; status is on the state search - Practice location
- 4420 Dixie Hwy, Louisville, KY 40216
- Phone
- (502) 449-6464
- Enumerated
- Jun 16, 2006
- Record last updated
- May 24, 2022
- Fax
- (502) 449-6465
- Medicaid ID
- 64245038 KY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 4420 Dixie Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joshua Heines, MA, ATCAthletic Trainer1023547726
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Verify Robert G. Hammer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 24503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,580 Medicare Part D claims for 662 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. 208 claims were for opioids.
Most prescribed
- Atorvastatin Calcium455 claims
- Levothyroxine Sodium297 claims
- Amlodipine Besylate252 claims
- Lisinopril192 claims
- Furosemide160 claims
- Eliquis138 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 G. Hammer among 1,526 internal medicine physician records in Kentucky
Robert G. Hammer, 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 updated2022 · 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
- Justin Adams, M.D.Louisville, KY 402161720321292
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- Michael Bruno, M.D.Louisville, KY 402161104926781
- Philip May, M.D.Louisville, KY 402161932136892
- Brent McEntire, MDLouisville, KY 402161013013028
- Anuj More, M.D.Louisville, KY 402161649331752
- Pushpa Pavuluri, M.D.Louisville, KY 402161194771204
- Emad Resul Erzurumlu, M.D.Louisville, KY 402161790169266
Common questions
What is Robert G. Hammer, MD's NPI number?
Robert G. Hammer, MD's National Provider Identifier (NPI) is 1497799514, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert G. Hammer, MD located?
The NPPES record lists a practice address at 4420 Dixie Hwy, Louisville, KY, 40216. Phone: (502) 449-6464. Providers update this record themselves, so call before visiting.
How can I verify Robert G. Hammer, MD's license?
NPPES lists Kentucky license number 24503, 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 G. Hammer, MD prescribe under Medicare Part D?
In 2024, Robert G. Hammer, MD had 6,580 Medicare Part D claims for 662 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert G. Hammer, 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.