Catherine Jonnakuty Ellis, M.D.
Endocrinology, Diabetes & Metabolism Physician · Leesburg, VA
Catherine Jonnakuty Ellis, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Leesburg, Virginia, and NPI 1548473150, issued on May 8, 2007. Check the license (Virginia 0101259955, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Catherine Jonnakuty Ellis
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 0101259955 VA
MT189022 PA
Self-reported in NPPES; status is on the state search - Practice location
- 19450 Deerfield Avenue, Suite 200, Leesburg, VA 20176
- Phone
- (703) 844-8380
- Enumerated
- May 8, 2007
- Record last updated
- Oct 9, 2023
- Fax
- (703) 263-8393
- Medicaid IDs
- 1548473150 VA
30015941210002 VA - Medicare enrollment
- Enrolled (PECOS I20211008000015); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 264 in Virginia → Look up another NPI →
Also registered at 19450 Deerfield Avenue, Suite 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nauman Akhtar, M.D.Orthopaedic Surgery Physician1003017682
- Anushaya Fitzgerald, PACPhysician Assistant1376581645
- Amanda Thacker, FNPFamily Nurse Practitioner1114621810
- Ian Wattenmaker, M.D.Orthopaedic Surgery Physician1629077854
Verify Catherine Jonnakuty Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101259955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
905 Medicare Part D claims for 145 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Levothyroxine Sodium115 claims
- Ozempic81 claims
- Synthroid58 claims
- Jardiance47 claims
- Metformin Hcl Er45 claims
- Tresiba Flextouch U-10035 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $236.22
11 payments; by number, the most common kind was food and beverage; the largest payer was Radius Health, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Loudoun Medical Group, PCLeesburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Jonnakuty Ellis among 264 endocrinology, diabetes & metabolism physician records in Virginia
Catherine Jonnakuty Ellis, M.D. is one of 264 endocrinology, diabetes & metabolism physician records with a practice address in Virginia. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2001 · median 2004 among the 188 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Virginia
There are 264 endocrinology, diabetes & metabolism physician records in Virginia.
All 264 in Virginia → Every provider in Leesburg → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Melissa Antonik, M.D.Leesburg, VA 201761316025372
- Ambika Baru, M.D.Leesburg, VA 201761275918682
- Silpa Joshi, M.D.Leesburg, VA 201761811256381
- Mitra Dastgheyb, M.D.Leesburg, VA 201751831287739
- Carmen Pastor, M.D.Sterling, VA 201661942378948
- Lida TabatabaeianWarrenton, VA 201861184805079
- Farhad Zangeneh, MDSterling, VA 201651114936937
- Sahana HundalReston, VA 201901992145700
Common questions
What is Catherine Jonnakuty Ellis, M.D.'s NPI number?
Catherine Jonnakuty Ellis, M.D.'s National Provider Identifier (NPI) is 1548473150, issued on May 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Jonnakuty Ellis, M.D. located?
The NPPES record lists a practice address at 19450 Deerfield Avenue, Suite 200, Leesburg, VA, 20176. Phone: (703) 844-8380. Providers update this record themselves, so call before visiting.
How can I verify Catherine Jonnakuty Ellis, M.D.'s license?
NPPES lists Virginia license number 0101259955, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Catherine Jonnakuty Ellis, M.D. prescribe under Medicare Part D?
In 2024, Catherine Jonnakuty Ellis, M.D. had 905 Medicare Part D claims for 145 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.