NPPES file of Aug 9, 2026

Erin Elizabeth Fancher Gagen, MD

Family Medicine Physician · Trenton, IL

Erin Elizabeth Fancher Gagen, MD is a family medicine physician with a practice address in Trenton, Illinois, and NPI 1184657090, issued on Jul 7, 2006. Check the license (Illinois 036113295, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184657090
Name
Erin Elizabeth Fancher Gagen
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036113295 IL
Self-reported in NPPES; status is on the state search
Practice location
411 E Broadway, Trenton, IL 62293
Phone
(618) 224-7000
Enumerated
Jul 7, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(618) 224-7750
Medicare enrollment
Enrolled (PECOS I20050712000773); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Erin Elizabeth Fancher Gagen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036113295
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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2.5 times the Medicare Part D claims of the average family medicine physician in 2024

9,004 Medicare Part D claims for 417 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 207 claims were for opioids.

  1. Erin Fancher Gagen9,004
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium491 claims
  2. Atorvastatin Calcium412 claims
  3. Lisinopril323 claims
  4. Omeprazole304 claims
  5. Metformin Hcl260 claims
  6. Amlodipine Besylate217 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 MIPS final score for 2023 (Medicare payment program): 94.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Erin Elizabeth Fancher Gagen among 6,215 family medicine physician records in Illinois

Erin Elizabeth Fancher Gagen, 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
  • Graduated2002 · median 2006 among the 3,714 with a school on file
  • Record last updated2007 · 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).

1 family medicine physician record lists a practice address in Trenton

They are 1 of the 27 NPPES records with a practice address in Trenton, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Deborah Bross, MDTroy, IL 622941487692430
  2. Dolores Cantrell, MDTroy, IL 622941801839105
  3. Katelin Krystowiak, MDTroy, IL 622941407198716
  4. Eric Lopatin, MDTroy, IL 622941356381271
  5. Rodney Lupardus, M.D.Troy, IL 622941710946280
  6. Bhavesh Patel, M.D.Troy, IL 622941740590231
  7. Aron Bruk, M.D.Waterloo, IL 622981962480798
  8. Lewis Fischer, M.D.Waterloo, IL 622981386677128

Common questions

What is Erin Elizabeth Fancher Gagen, MD's NPI number?

Erin Elizabeth Fancher Gagen, MD's National Provider Identifier (NPI) is 1184657090, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Erin Elizabeth Fancher Gagen, MD located?

The NPPES record lists a practice address at 411 E Broadway, Trenton, IL, 62293. Phone: (618) 224-7000. Providers update this record themselves, so call before visiting.

How can I verify Erin Elizabeth Fancher Gagen, MD's license?

NPPES lists Illinois license number 036113295, 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 Erin Elizabeth Fancher Gagen, MD prescribe under Medicare Part D?

In 2024, Erin Elizabeth Fancher Gagen, MD had 9,004 Medicare Part D claims for 417 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Erin Elizabeth Fancher Gagen, MD's MIPS final score?

The 2023 MIPS final score is 94.6 of 100. 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.