Justin Thomas Geralds, M.D.
Emergency Medicine Physician · Louisville, KY
Justin Thomas Geralds, M.D. is an emergency medicine physician with a practice address in Louisville, Kentucky, and NPI 1992122287, issued on Mar 25, 2014. Check the license (Kentucky 50229, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Justin Thomas Geralds
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 50229 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Audubon Plaza Dr, Louisville, KY 40217
- Phone
- (502) 634-6767
- Enumerated
- Mar 25, 2014
- Record last updated
- Jul 21, 2022
- Fax
- (502) 634-6775
- Medicare enrollment
- Enrolled (PECOS I20160315000339); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 903 in Kentucky → Look up another NPI →
Also registered at 1 Audubon Plaza Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Adams, MDEmergency Medicine Physician1235186529
- Sherry Adkisson, PA-CPhysician Assistant1407203862
- Maher Alia, DOEmergency Medicine Physician1669050290
- Elisa Archer, CRNACertified Registered Nurse Anesthetist1194200253
- Santina Arnold, APRNFamily Nurse Practitioner1366033854
- Karim AshamPodiatrist1285318899
Verify Justin Thomas Geralds in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 50229Check 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% fewer Medicare Part D claims than the average emergency medicine physician in 2024
221 Medicare Part D claims for 143 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 25 claims were for opioids.
Most prescribed
- Ondansetron Odt39 claims
- Hydrocodone-Acetaminophen25 claims
- Cephalexin24 claims
- Diclofenac Sodium13 claims
- Sucralfate13 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): 91.5 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).
Bills Medicare through one group practice
- Louisville Observational Medicine Associates PscLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Thomas Geralds among 903 emergency medicine physician records in Kentucky
Justin Thomas Geralds, M.D. is one of 903 emergency medicine physician records with a practice address in Kentucky. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2014 · median 2011 among the 557 with a school on file
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Kentucky
There are 903 emergency medicine physician records in Kentucky.
All 903 in Kentucky → Every provider in Louisville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Paul Adams, MDLouisville, KY 402171235186529
- Shannon Becht, MDLouisville, KY 402171457306011
- Maria Beck, MDLouisville, KY 402171750320503
- Donald Belknap, M.D.Louisville, KY 402171649380114
- Richard Carlisle, M.D.Louisville, KY 402171578673042
- Laurie Craycroft, MDLouisville, KY 402171922055920
- Laura Gilbert, M.D.Louisville, KY 402171790725505
- Steven Heilman, MDLouisville, KY 402171932217858
Common questions
What is Justin Thomas Geralds, M.D.'s NPI number?
Justin Thomas Geralds, M.D.'s National Provider Identifier (NPI) is 1992122287, issued on Mar 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Justin Thomas Geralds, M.D. located?
The NPPES record lists a practice address at 1 Audubon Plaza Dr, Louisville, KY, 40217. Phone: (502) 634-6767. Providers update this record themselves, so call before visiting.
How can I verify Justin Thomas Geralds, M.D.'s license?
NPPES lists Kentucky license number 50229, 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 Justin Thomas Geralds, M.D. prescribe under Medicare Part D?
In 2024, Justin Thomas Geralds, M.D. had 221 Medicare Part D claims for 143 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Justin Thomas Geralds, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.5 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.