Tracy Anne Loudon, M.D.
Emergency Medicine Physician · Hinsdale, IL
Tracy Anne Loudon, M.D. is an emergency medicine physician with a practice address in Hinsdale, Illinois, and NPI 1053607424, issued on Jun 23, 2011. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Tracy Anne Loudon
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A122252 CA
Self-reported in NPPES; status is on the state search - Practice location
- 120 N Oak St, Hinsdale, IL 60521
- Phone
- (630) 856-6700
- Enumerated
- Jun 23, 2011
- Record last updated
- Aug 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20160823001677); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2011
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 120 N Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eden Alabata, RD, LDNRegistered Dietitian1285864496
- Garner Arnold, MDAnesthesiology Physician1639464985
- Ira Asher, M.D.Emergency Medical Services (Emergency Medicine) Physician1235194432
- Indira Atluri, M.D.Emergency Medical Services (Emergency Medicine) Physician1598720971
- Yasmeen Bader, DNP, CNMAdvanced Practice Midwife1649953381
- Kimberly Baran, DONeonatal-Perinatal Medicine Physician1447749163
Verify Tracy Anne Loudon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average emergency medicine physician in 2024
248 Medicare Part D claims for 156 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 43 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen37 claims
- Ondansetron Odt24 claims
- Cephalexin23 claims
- Prednisone21 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.
Industry payments in 2024: $17.13
1 payment: food and beverage; the largest payer was Paratek Pharmaceuticals, Inc. 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
- Illinois Emergency Medicine Specialists LLCBolingbrook, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tracy Anne Loudon among 3,291 emergency medicine physician records in Illinois
Tracy Anne Loudon, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 50% of them.
- NPI issued2011 · 50% of these records are older, 47% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2011 · median 2012 among the 1,867 with a school on file
- Record last updated2022 · 47% 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 Illinois 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 Illinois
There are 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Hinsdale → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Edmund Bolton, M.D.Hinsdale, IL 605211780658880
- Karen Cervenka, M.D.Hinsdale, IL 605211538238860
- Matthew Destefani, MDHinsdale, IL 605211992187074
- Daniel Elke, M.DHinsdale, IL 605211790234045
- Amanda Lipon, M.D.Hinsdale, IL 605211982016499
- Kaleem Malik, M.D.Hinsdale, IL 605211942241609
- Carlos Martinez, MDHinsdale, IL 605211023097706
- Julian Moncada, MDHinsdale, IL 605211184289241
Common questions
What is Tracy Anne Loudon, M.D.'s NPI number?
Tracy Anne Loudon, M.D.'s National Provider Identifier (NPI) is 1053607424, issued on Jun 23, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tracy Anne Loudon, M.D. located?
The NPPES record lists a practice address at 120 N Oak St, Hinsdale, IL, 60521. Phone: (630) 856-6700. Providers update this record themselves, so call before visiting.
How can I verify Tracy Anne Loudon, M.D.'s license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tracy Anne Loudon, M.D. prescribe under Medicare Part D?
In 2024, Tracy Anne Loudon, M.D. had 248 Medicare Part D claims for 156 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.