Ellen Zimmermann, MD
NPI 1982789590 · Gastroenterology Physician · Gainesville, FL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Zimmermann, MD is a Gastroenterology Physician provider in Gainesville, FL (NPI 1982789590).
Provider details
- NPI number
- 1982789590
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301052078 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
296 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 55 | $128 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 51 | $77 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 39 | $48 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 34 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 30 | $176 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Adalimumabbrand: Humira(cf) Pen | 69 |
| Ustekinumabbrand: Stelara | 60 |
| Azathioprine | 40 |
| Balsalazide Disodium | 25 |
| Dicyclomine Hcl | 25 |
| Loperamide Hclbrand: Loperamide | 24 |
| Pantoprazole Sodium | 21 |
| Famotidine | 19 |
| Omeprazole | 18 |
| Mesalamine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2013-12-30
Frequently asked questions
- What is Ellen Zimmermann's NPI number?
- Ellen Zimmermann's National Provider Identifier (NPI) is 1982789590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Zimmermann's specialty?
- Ellen Zimmermann is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Zimmermann located?
- Ellen Zimmermann's practice location on file with NPPES is 1600 Sw Archer Rd, Gainesville, FL 32610-3003.
- What is Ellen Zimmermann's phone number?
- The practice phone number listed in the NPPES registry for Ellen Zimmermann is (352) 273-9474.
- Does Ellen Zimmermann accept Medicare?
- Ellen Zimmermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Zimmermann's NPI active?
- Yes — Ellen Zimmermann's NPI (1982789590) is active in the NPPES registry as of the last update on 2013-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.