Dr. Gillian A. Ellis, MD
- Medicare services, 2024
- 691
- Medicare patients, 2024
- 339
- Part D claims, 2024
- 639
- MIPS score, 2024
- 80
- Hospital affiliations
- 4
- Practice address
- 92 W Miller St, Orlando, FL 32806
- Practice phone
- Call (407) 650-5028
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arnold Palmer Hospital for Children
Orlando, Florida
Find Dr. Ellis' professional email, personal email and mobile number
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Dr. Gillian A. Ellis is an internist in Orlando, Florida
Dr. Ellis practices at Arnold Palmer Hospital for Children in Orlando, Florida.
Dr. Ellis' NPI, 1811196215, was assigned on July 16, 2007. Dr. Ellis graduated from Ross University School of Medicine in 2003. Dr. Ellis holds Florida license ME107435.
- NPI
- 1811196215NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719026459
- NPI enumeration date
- July 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (407) 650-5028
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gillian A. Ellis practices at Arnold Palmer Hospital for Children in Orlando, Florida
Dr. Ellis' primary practice is Arnold Palmer Hospital for Children, at 92 W Miller St, Orlando, FL 32806 in Orange County. The practice phone is (407) 650-5028.
- Arnold Palmer Hospital for Children92 W Miller St, Orlando, FL 32806 · Orange CountyPhone(407) 650-5028
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gillian A. Ellis is affiliated with 6 sites of care and 3 medical groups
Dr. Ellis' primary practice is Arnold Palmer Hospital for Children in Orlando, Florida. Dr. Ellis is also affiliated with Orlando Regional Medical Center. The medical group on file is Orlando Health Medical Group. Dmand AI also links Dr. Ellis to 3 more hospitals, 2 medical groups and 1 physician office, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gillian A. Ellis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ellis practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arnold Palmer Hospital for Children | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gillian A. Ellis is one of 9,009 internists in Florida
Internal medicine is Dr. Ellis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ellis is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ellis' licenses on file in 3 states: Florida, Louisiana and Georgia.
Specialties and state licenses
- Internal medicine, FloridaPrimary
- Louisiana license
- Georgia license
Clinical focus
Dmand AI lists acute diabetes, bile duct problems, cardiac arrhythmia, chest pain, chronic respiratory failure, circulation problems, circulatory problems in extremities and congestive heart failure among the conditions Dr. Ellis treats.
Internists near Dr. Ellis
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gillian A. Ellis billed Medicare for 691 services in 2024
CMS data shows 691 Medicare services from Dr. Ellis across 4 procedure codes in 2024, for 339 Medicare patients. Medicare paid $57,803 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ellis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5002024: 69138%
Dr. Ellis compared with the Florida median for internists, 2024
- Dr. Ellis
- Florida median
- Medicare services
- 691vs 55525% above
- Medicare patients
- 339vs 21558% above
- Part D claims
- 270vs 46642% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Ellis' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gillian A. Ellis treated 339 Medicare patients in 2024, average age 77
CMS counts 339 Medicare patients who saw Dr. Ellis in 2024. The largest group is 75 to 84, with 131 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ellis' median patient age at 72, with 53% women.
Dr. Ellis' Medicare patients by age, 2024
Dr. Ellis' Medicare patients by sex, 2024
- Women18655%
- Men15345%
Chronic conditions among Dr. Ellis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease59%
- Chronic kidney disease58%
- Arthritis56%
- Heart failure51%
- Diabetes50%
- Anxiety44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ellis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gillian A. Ellis wrote 639 Medicare Part D claims in 2024
In 2024, Dr. Ellis wrote 639 Medicare Part D claims for 304 patients. 88% of them were for generic drugs. CMS names the drug for 270 of them, across 16 drugs with 11 or more claims each, at $2,023 in total drug cost. In 2023, CMS named 165 claims across 11 drugs.
Dr. Ellis' Part D claims by kind of drug, 2024
- Generic565 claims88%
- Brand-name and other74 claims12%
Dr. Ellis' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ellis' Part D claims, 2024
- Opioids3%16 of 639 claims
- Antibiotics26%168 of 639 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1652024: 27064%
Drugs named by CMS: 16 in 2024, 11 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gillian A. Ellis scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Ellis for performance year 2024, reported as part of a group. Dr. Ellis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ellis' MIPS scores, performance year 2024
- 80of 100Final score
- 61.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gillian A. Ellis received $284 in industry payments from 2016 to 2023
CMS Open Payments shows 8 general payments to Dr. Ellis from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $93.
General payments to Dr. Ellis by program year, 2016 to 2023
Companies that paid Dr. Ellis the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gillian A. Ellis has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ellis, most recently Morton levy Humanitarian award in 2008.
Awards and honors for Dr. Ellis
- 2008
- Morton levy Humanitarian award
Source: Dmand AI Professional Profile Data
Dr. Gillian A. Ellis graduated from Ross University School of Medicine
Dr. Ellis graduated from Ross University School of Medicine in 2003.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gillian A. Ellis accepts plans from 10 insurance carriers
Dr. Ellis is in network with 10 carriers, including Excellus BlueCross BlueShield, Aetna and Elevance. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- Aetna
- Elevance
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- Blue Cross and Blue Shield of Louisiana
- Cigna
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Ellis accepts, by number of carriers
- PPO5
- Medicare4
- POS4
- EPO3
- HMO3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Gillian A. Ellis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gillian A. Ellis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gillian A. Ellis' NPI number?
Dr. Gillian A. Ellis' NPI number is 1811196215. It was assigned on July 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gillian A. Ellis?
Dr. Gillian A. Ellis is an internist in Orlando, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gillian A. Ellis practice?
Dr. Ellis practices at 92 W Miller St, Orlando, FL 32806. Dr. Ellis' primary practice is Arnold Palmer Hospital for Children in Orlando, Florida. Dmand AI also links Dr. Ellis to 3 hospitals, 2 medical groups and 1 physician office.
What is Dr. Gillian A. Ellis' office phone number?
The practice phone on file for Dr. Ellis is (407) 650-5028.
What is Dr. Gillian A. Ellis' medical license number?
Dr. Ellis holds Florida license ME107435, one of the licenses on file in 3 states.
Which states has Dr. Gillian A. Ellis been licensed in?
Dmand AI has state licenses on file for Dr. Ellis in Florida (2010 to 2026), Louisiana (2008 to 2025) and Georgia (2009 to 2018).
Which hospitals is Dr. Gillian A. Ellis affiliated with?
Dr. Ellis is affiliated with Orlando Regional Medical Center. Dmand AI links Dr. Ellis to 3 more hospitals.
What medical group is Dr. Gillian A. Ellis part of?
Dr. Ellis is linked to Orlando Health Medical Group. Dmand AI links Dr. Ellis to 2 more medical groups.
Does Dr. Gillian A. Ellis accept Medicare?
Yes. CMS data shows Dr. Ellis billed Medicare for 691 services in 2024, and Dr. Ellis accepts Medicare assignment.
What is Dr. Gillian A. Ellis' MIPS score?
Dr. Ellis' MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Gillian A. Ellis see?
CMS counts 339 Medicare patients who saw Dr. Ellis in 2024, with an average age of 77.
Is Dr. Gillian A. Ellis board certified?
Yes. Dr. Ellis is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Gillian A. Ellis bill to Medicare?
In 2024, Dr. Ellis' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
Where did Dr. Gillian A. Ellis go to medical school?
Dr. Ellis graduated from Ross University School of Medicine in 2003.
What drugs does Dr. Gillian A. Ellis prescribe most?
In 2024 Medicare Part D data, Dr. Ellis' most prescribed drugs by claims were Pantoprazole Sodium, Cefdinir and Albuterol Sulfate Hfa.
Has Dr. Gillian A. Ellis received payments from drug or device companies?
CMS Open Payments shows $284 in general payments to Dr. Ellis from 7 companies from 2016 to 2023. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Gillian A. Ellis been practicing?
Dr. Ellis graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Gillian A. Ellis accept?
Dr. Ellis is in network with 10 carriers, including Excellus BlueCross BlueShield, Aetna and Elevance. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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