Doctor profile · Federal record

Dr. Gillian Ellis, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Clermont, FL

  • NPI 1811196215
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1900 Don Wickham Dr, Mp Sl Admin
Clermont, FL 347111979
(352) 536-8840
fax (352) 536-8841

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
November 11, 2016
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Florida #ME107435 · Georgia #062791
Medicaid
FL #003163400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811196215. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
500
Distinct HCPCS
4
Medicare allowed
$52,806
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 175 114 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 169 97 $118
99239 Hospital discharge day management, more than 30 minutes 133 131 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 23 $172

In context: peer comparison

Among 33 peers in this city , average services per provider: 146. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
165
Patients
137
Total drug cost
$1,964
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 28 28 $352
Cefdinir Generic 20 20 $327
Doxycycline Hyclate Generic 17 17 $176
Metoprolol Succinate Generic 16 12 $89
Metoprolol Tartrate Generic 14 14 $55
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 0 $485
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 11 $108
Atorvastatin Calcium Generic 12 12 $84
Clopidogrel (Clopidogrel Bisulfate) Brand 12 12 $133
Furosemide Generic 11 0 $46

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gillian Ellis's medical specialty?
Dr. Gillian Ellis practices Internal Medicine Physician in Clermont, FL.
Where does Dr. Gillian Ellis practice?
Dr. Gillian Ellis practices at 1900 Don Wickham Dr, Clermont, FL 347111979. Office phone: 3525368840.
What is Dr. Gillian Ellis's NPI?
Dr. Gillian Ellis's National Provider Identifier (NPI) is 1811196215, issued by NPPES.
Does Dr. Gillian Ellis accept Medicare assignment?
Yes. Dr. Gillian Ellis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gillian Ellis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.