Registry data as of Aug 27, 2026

Michael Hahl, M.D.

Radiation Oncology Physician · Louisville, KY

Michael Hahl, M.D. is a radiation oncology physician with a practice address in Louisville, Kentucky, and NPI 1811954449, issued on Apr 27, 2006. Check the license (Kentucky 33316, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1811954449
Name
Michael Hahl
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
33316 KY
Self-reported in NPPES; status is on the state search
Practice location
315 E Broadway FL 4, Louisville, KY 40202
Phone
(502) 629-2500
Enumerated
Apr 27, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 315 E Broadway FL 4

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

  1. Danielle Bundrent, DNPFamily Nurse Practitioner1588105746
  2. Kimberly CastleClinical Social Worker1760835664
  3. Ruth Crawford, NP-CNurse Practitioner1225546377
  4. Khuda Khan, M.D., PH.D.Hematology & Oncology Physician1619946159
  5. Adam Lye, M.D.Internal Medicine Physician1659534170
  6. Cortney Montgomery, APRNFamily Nurse Practitioner1194077818

Verify Michael Hahl 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 33316
    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.

7% more Medicare Part D claims than the average radiation oncology physician in 2024

144 Medicare Part D claims for 68 beneficiaries, against an average of 135 among the 4,225 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Michael Hahl144
  2. Specialty average135

Most prescribed

  1. Lidocaine Hcl Viscous23 claims
  2. Mometasone Furoate22 claims
  3. Hydrocodone-Acetaminophen12 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 Medicare quality score for 2023: 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.

  1. Qualityout of 100 · 30% of the final score
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $38.04

2 payments, mostly food and beverage; the largest payer was Siemens Medical Solutions USA, Inc.. The 2,851 providers of this specialty with any payment received $1,903.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Hahl$38.04
  2. Specialty average$1,903.20

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Norton Hospitals, IncLouisville, KY · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Radiation Oncology Physician providers in Kentucky

There are 79 radiation oncology physician records in Kentucky.

Other radiation oncology physician records in Kentucky

  1. Basel Altoos, M.D.Louisville, KY1669851424
  2. Falguni Amin-Zimmerman, M.D.Lexington, KY1285626283
  3. Alan Beckman, M.D.Lexington, KY1851390355
  4. Mark Bernard, M.D.Lexington, KY1932468246
  5. Nicolas Burnett, M.D.Lexington, KY1417342999
  6. Gregory Carlsen, MDDanville, KY1306831516
  7. Lauren Castellini, M.D.Edgewood, KY1538306337
  8. Yong Cha, MD, PHDLouisville, KY1568635332
  9. Bradley Collett, M.D.Pikeville, KY1386648988
  10. Mark Cornett, M.D.Louisville, KY1003873423

Common questions

What is Michael Hahl, M.D.'s NPI number?

Michael Hahl, M.D.'s National Provider Identifier (NPI) is 1811954449, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Hahl, M.D. located?

The NPPES record lists a practice address at 315 E Broadway FL 4, Louisville, KY, 40202. Phone: (502) 629-2500. Providers update this record themselves, so call before visiting.

How can I verify Michael Hahl, M.D.'s license?

NPPES lists Kentucky license number 33316, 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 Michael Hahl, M.D. prescribe under Medicare Part D?

In 2024, Michael Hahl, M.D. had 144 Medicare Part D claims for 68 beneficiaries; the average among radiation oncology physician prescribers was 135. Part D covers Medicare prescriptions only.

What is Michael Hahl, M.D.'s Medicare quality 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.