Erin Fancher Gagen, MD
NPI 1184657090 · Family Medicine Physician · Trenton, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Fancher Gagen, MD is a Family Medicine Physician provider in Trenton, IL (NPI 1184657090).
Provider details
- NPI number
- 1184657090
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036113295 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,087 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 408 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 226 | $91 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 153 | $19 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 65 | $110 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $133 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 159 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 491 | 83 |
| Atorvastatin Calcium | 412 | 86 |
| Lisinopril | 323 | 71 |
| Omeprazole | 304 | 59 |
| Metformin Hcl | 260 | 51 |
| Amlodipine Besylate | 217 | 40 |
| Hydrochlorothiazide | 192 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Erin Fancher Gagen's NPI number?
- Erin Fancher Gagen's National Provider Identifier (NPI) is 1184657090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Fancher Gagen's specialty?
- Erin Fancher Gagen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Erin Fancher Gagen located?
- Erin Fancher Gagen's practice location on file with NPPES is 411 E Broadway, Trenton, IL 62293-1663.
- What is Erin Fancher Gagen's phone number?
- The practice phone number listed in the NPPES registry for Erin Fancher Gagen is (618) 224-7000.
- Does Erin Fancher Gagen accept Medicare?
- Erin Fancher Gagen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Fancher Gagen's NPI active?
- Yes — Erin Fancher Gagen's NPI (1184657090) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.