Maria Fernanda Chacon-Horn, MD
Family Medicine Physician · Aurora, IL
Maria Fernanda Chacon-Horn, MD is a family medicine physician with a practice address in Aurora, Illinois, and NPI 1710086848, issued on Sep 22, 2006. Check the license (Illinois 036-107009, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maria Fernanda Chacon-Horn
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036-107009 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2000 Ogden Ave, Aurora, IL 60504
- Phone
- (630) 898-5275
- Enumerated
- Sep 22, 2006
- Record last updated
- Sep 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 898-7418
- Medicaid ID
- L97194 IL
- Medicare enrollment
- Enrolled (PECOS I20070612000608); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 2000 Ogden Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maria Fernanda Chacon-Horn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-107009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
543 Medicare Part D claims for 335 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl99 claims
- Prednisone51 claims
- Methylprednisolone46 claims
- Cefdinir39 claims
- Cephalexin35 claims
- Amoxicillin-Clavulanate Potass33 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.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationOak Brook, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Fernanda Chacon-Horn among 6,215 family medicine physician records in Illinois
Maria Fernanda Chacon-Horn, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2006 among the 3,714 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 family medicine physician records list a practice address in Aurora
They are 119 of the 3,342 NPPES records with a practice address in Aurora, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Aurora → Family Medicine Physician nationwide →
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- Karin Gustafson, D.O.Aurora, IL 605041336135573
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Common questions
What is Maria Fernanda Chacon-Horn, MD's NPI number?
Maria Fernanda Chacon-Horn, MD's National Provider Identifier (NPI) is 1710086848, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Fernanda Chacon-Horn, MD located?
The NPPES record lists a practice address at 2000 Ogden Ave, Aurora, IL, 60504. Phone: (630) 898-5275. Providers update this record themselves, so call before visiting.
How can I verify Maria Fernanda Chacon-Horn, MD's license?
NPPES lists Illinois license number 036-107009, as entered by the provider. 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 Maria Fernanda Chacon-Horn, MD prescribe under Medicare Part D?
In 2024, Maria Fernanda Chacon-Horn, MD had 543 Medicare Part D claims for 335 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.