Doctor profile · Federal record

Dr. Ellen Zimmermann, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Gainesville, FL

  • NPI 1982789590
  • Accepts Medicare
  • MIPS 78.2 / 100 · 2023
  • 42 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 Sw Archer RD
Gainesville, FL 326103003
(352) 273-9474
Mailing address
Po Box 13833
Philadelphia, PA 191013833

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 30, 2013
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Florida #ME116412 · Michigan #4301052078
Medicaid (2)
FL #009448900 · MI #2900116

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982789590. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
174
Distinct HCPCS
7
Medicare allowed
$19,615
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 39 23 $169
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 32 32 $84
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 30 22 $50
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $130
99214 Established patient office or other outpatient visit, 30-39 minutes 22 17 $126
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 15 15 $81
45380 Biopsy of large bowel using a flexible endoscope 13 13 $143

In context: peer comparison

Among 16 peers in Gainesville Gastroenterology Physician, average services per provider: 47. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
360
Patients
0
Total drug cost
$2,540,979
Drug Type Claims Patients Total cost
Stelara (Ustekinumab) Brand 63 0 $1,742,117
Humira(Cf) Pen (Adalimumab) Brand 58 0 $683,579
Azathioprine Generic 31 0 $2,777
Loperamide (Loperamide Hcl) Brand 30 0 $934
Balsalazide Disodium Generic 26 0 $3,875
Pantoprazole Sodium Generic 25 0 $319
Prednisone Generic 20 0 $236
Mesalamine Generic 19 0 $19,475
Dicyclomine Hcl Generic 18 0 $530
Omeprazole Generic 13 0 $355

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellen Zimmermann's medical specialty?
Dr. Ellen Zimmermann practices Gastroenterology Physician in Gainesville, FL.
Where does Dr. Ellen Zimmermann practice?
Dr. Ellen Zimmermann practices at 1600 Sw Archer RD, Gainesville, FL 326103003. Office phone: 3522739474.
What is Dr. Ellen Zimmermann's NPI?
Dr. Ellen Zimmermann's National Provider Identifier (NPI) is 1982789590, issued by NPPES.
Does Dr. Ellen Zimmermann accept Medicare assignment?
Yes. Dr. Ellen Zimmermann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Zimmermann commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.