Mason Holbrook
Surgery Physician · Louisville, KY
Mason Holbrook is a surgery physician with a practice address in Louisville, Kentucky, and NPI 1871029397, issued on May 3, 2017. Check the license (Kentucky TP483, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Mason Holbrook
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- TP483 KY
Self-reported in NPPES; status is on the state search - Practice location
- 401 E Chestnut St Unit 710, Louisville, KY 40202
- Phone
- (502) 583-8303
- Enumerated
- May 3, 2017
- Record last updated
- Apr 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20230606003199); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 459 in Kentucky → Look up another NPI →
Also registered at 401 E Chestnut St Unit 710
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent Athas, MDSurgery Physician1629634209
- Jeremy Badach, BE, ME, MDSurgery Physician1891281317
- Neal Bhutiani, MD, PHDSurgical Oncology Physician1093085169
- Elizabeth Bruenderman, M.D.Surgery Physician1821451196
- Joshua Choo, M.D.Plastic and Reconstructive Surgery Physician1548590631
- Nancy Clark, M.D.Vascular Surgery Physician1114986023
Verify Mason Holbrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license TP483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average surgery physician in 2024
206 Medicare Part D claims for 95 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 51 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen38 claims
- Peg 3350-Electrolyte31 claims
- Sucralfate30 claims
- Omeprazole26 claims
- Pantoprazole Sodium16 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): 73.2 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).
Industry payments in 2024: $306.04
12 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. The 17,103 providers of this specialty with any payment received $3,513.80 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).
Mason Holbrook among 459 surgery physician records in Kentucky
Mason Holbrook is one of 459 surgery physician records with a practice address in Kentucky. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2005 among the 292 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Kentucky
There are 459 surgery physician records in Kentucky.
All 459 in Kentucky → Every provider in Louisville → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Tiffany Berry, MDLouisville, KY 402021669637856
- Glen Franklin, MDLouisville, KY 402021124098462
- Richard Garrison, MDLouisville, KY 402021083663934
- Richard Goldstein, MDLouisville, KY 402021811967698
- Brian Harbrecht, MDLouisville, KY 402021881668481
- Farid Kehdy, MDLouisville, KY 402021407966138
- Gerald Larson, MDLouisville, KY 402021215917232
- Michael McCafferty, MDLouisville, KY 402021558331553
Common questions
What is Mason Holbrook's NPI number?
Mason Holbrook's National Provider Identifier (NPI) is 1871029397, issued on May 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mason Holbrook located?
The NPPES record lists a practice address at 401 E Chestnut St Unit 710, Louisville, KY, 40202. Phone: (502) 583-8303. Providers update this record themselves, so call before visiting.
How can I verify Mason Holbrook's license?
NPPES lists Kentucky license number TP483, 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 Mason Holbrook prescribe under Medicare Part D?
In 2024, Mason Holbrook had 206 Medicare Part D claims for 95 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Mason Holbrook's MIPS final score?
The 2023 MIPS final score is 73.2 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.