Brian J. Chaffin, DO
Hospitalist Physician · Evansville, IN
Brian J. Chaffin, DO is a hospitalist physician with a practice address in Evansville, Indiana, and NPI 1073045498, issued on Apr 3, 2017. Check the license (Indiana 02005958A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Brian J. Chaffin
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 02005958A IN
Self-reported in NPPES; status is on the state search - Practice location
- 600 Mary St, Evansville, IN 47710
- Phone
- (812) 450-3036
- Enumerated
- Apr 3, 2017
- Record last updated
- Jun 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (812) 450-2193
- Medicare enrollment
- Enrolled (PECOS I20240111001390); accepts Medicare assignment
- Medical or professional school
- University Of Pikeville, Kentucky College Of Osteopathic Med, 2017
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 453 in Indiana → Look up another NPI →
Also registered at 600 Mary St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phillip Adams, MDHospitalist Physician1376982371
- Michael Albring, D.O.Hospitalist Physician1225424203
- Kari Arnold, NPNurse Practitioner1952729352
- Avi Arora, MDHospitalist Physician1760809198
- Quinn Bailey, OTOccupational Therapist1891674842
- Vibhav Bansal, MDVascular Neurology Physician1730337569
Verify Brian J. Chaffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02005958ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average hospitalist physician in 2024
271 Medicare Part D claims for 136 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Cefpodoxime Proxetil29 claims
- Prednisone21 claims
- Atorvastatin Calcium13 claims
- Azithromycin13 claims
- Eliquis13 claims
- Pantoprazole Sodium12 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): 79.5 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: $63.00
3 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 7,324 providers of this specialty with any payment received $494.84 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
- Commonwealth Health Corporation, Inc.Bowling Green, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian J. Chaffin among 453 hospitalist physician records in Indiana
Brian J. Chaffin, DO is one of 453 hospitalist physician records with a practice address in Indiana. 89% 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 74% of them.
- NPI issued2017 · 74% of these records are older, 21% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2017 · median 2008 among the 379 with a school on file
- Record last updated2020 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 hospitalist physician records list a practice address in Evansville
They are 56 of the 4,352 NPPES records with a practice address in Evansville, and 453 hospitalist physician records in Indiana.
All 453 in Indiana → Every provider in Evansville → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Herman Blanton, M.D.Evansville, IN 477101255391413
- Kurt Bottles, MDEvansville, IN 477101942376116
- Elvira Cane, MDEvansville, IN 477101497069926
- Jamie Davison, M.D.Evansville, IN 477101235391491
- Emanuela Didita, M.D.Evansville, IN 477101174752109
- Deepa Ghanta, MDEvansville, IN 477101588875231
- Rachel Lackey, M.D.Evansville, IN 477101265683635
- Chad Link, M.D.Evansville, IN 477101609038868
Common questions
What is Brian J. Chaffin, DO's NPI number?
Brian J. Chaffin, DO's National Provider Identifier (NPI) is 1073045498, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Brian J. Chaffin, DO located?
The NPPES record lists a practice address at 600 Mary St, Evansville, IN, 47710. Phone: (812) 450-3036. Providers update this record themselves, so call before visiting.
How can I verify Brian J. Chaffin, DO's license?
NPPES lists Indiana license number 02005958A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian J. Chaffin, DO prescribe under Medicare Part D?
In 2024, Brian J. Chaffin, DO had 271 Medicare Part D claims for 136 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Brian J. Chaffin, DO's MIPS final score?
The 2023 MIPS final score is 79.5 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.