Alexander Chase Peterson, MD
Emergency Medicine Physician · Lexington, KY
Alexander Chase Peterson, MD is an emergency medicine physician with a practice address in Lexington, Kentucky, and NPI 1447887849, issued on Mar 25, 2020. Check the license (Kentucky 56857, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Alexander Chase Peterson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 56857 KY
14518 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1000 S Limestone, Lexington, KY 40536
- Phone
- (859) 323-5901
- Enumerated
- Mar 25, 2020
- Record last updated
- Sep 29, 2023
- Fax
- (859) 323-3040
- Medicare enrollment
- Enrolled (PECOS I20230724003527); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 903 in Kentucky → Look up another NPI →
Also registered at 1000 S Limestone
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Moayad Al-Sona', MDPulmonary Disease Physician1245755495
- Adeel Ashraf, MDStudent in an Organized Health Care Education/Training Program1235833542
- Maria Aulick, PA-CPhysician Assistant1649849811
- Abby BaileyPharmacist1023300738
- Jason Ballengee, D.O.Pulmonary Disease Physician1164957114
- Elton Banks, DOEmergency Medicine Physician1235717489
Verify Alexander Chase Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 56857Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average emergency medicine physician in 2024
271 Medicare Part D claims for 214 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Cephalexin46 claims
- Ondansetron Odt23 claims
- Prednisone22 claims
- Amoxicillin-Clavulanate Potass17 claims
- Doxycycline Monohydrate14 claims
- Furosemide11 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): 74.6 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: $14.71
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 12,335 providers of this specialty with any payment received $953.79 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
- Rapid City Emergency Services PARapid City, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Chase Peterson among 903 emergency medicine physician records in Kentucky
Alexander Chase Peterson, MD 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 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2011 among the 557 with a school on file
- Record last updated2023 · 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).
211 emergency medicine physician records list a practice address in Lexington
They are 211 of the 14,031 NPPES records with a practice address in Lexington, and 903 emergency medicine physician records in Kentucky.
All 903 in Kentucky → Every provider in Lexington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Adkins, M.D.Lexington, KY 405361598710717
- Rebecca Bowers, MDLexington, KY 405361043242746
- Craig CarterLexington, KY 405361275573818
- Amy Dahlgren, MDLexington, KY 405361942240486
- Christopher Doty, MDLexington, KY 405361639161433
- Charles Eckerline, MDLexington, KY 405361447289616
- Jessica Horne, M.D.Lexington, KY 405361598732174
- Roger Humphries, MDLexington, KY 405361649202268
Common questions
What is Alexander Chase Peterson, MD's NPI number?
Alexander Chase Peterson, MD's National Provider Identifier (NPI) is 1447887849, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Chase Peterson, MD located?
The NPPES record lists a practice address at 1000 S Limestone, Lexington, KY, 40536. Phone: (859) 323-5901. Providers update this record themselves, so call before visiting.
How can I verify Alexander Chase Peterson, MD's license?
NPPES lists Kentucky license number 56857, 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 Alexander Chase Peterson, MD prescribe under Medicare Part D?
In 2024, Alexander Chase Peterson, MD had 271 Medicare Part D claims for 214 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Alexander Chase Peterson, MD's MIPS final score?
The 2023 MIPS final score is 74.6 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.