James K. Ellis, M.D.
Hematology & Oncology Physician · Thibodaux, LA
James K. Ellis, M.D. is a hematology & oncology physician with a practice address in Thibodaux, Louisiana, and NPI 1982792750, issued on Oct 10, 2006. Check the license (Louisiana 021233, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James K. Ellis
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 021233 LA
Self-reported in NPPES; status is on the state search - Practice location
- 608 N Acadia RD, Thibodaux, LA 70301
- Phone
- (985) 449-4642
- Enumerated
- Oct 10, 2006
- Record last updated
- Feb 1, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (985) 449-2560
- Medicaid ID
- 1932205 LA
- Medicare enrollment
- Enrolled (PECOS I20040120000451); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 188 in Louisiana → Look up another NPI →
Also registered at 608 N Acadia RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gerardo Arias, M.D.Hematology & Oncology Physician1447265178
- Nguyen Dang, M.D.Radiation Oncology Physician1447493986
- Laura Gros, RNOncology Registered Nurse1861327181
- Scott Hebert, M.D.Hematology & Oncology Physician1548603996
Verify James K. Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 021233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,640 Medicare Part D claims for 246 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 152 claims were for opioids.
Most prescribed
- Letrozole174 claims
- Anastrozole108 claims
- Levothyroxine Sodium60 claims
- Dexamethasone58 claims
- Hydrocodone-Acetaminophen50 claims
- Ondansetron Odt50 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.
The MIPS final score for 2023 (Medicare payment program): 96.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $22,091.21
245 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 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 2 group practices
- Crescent City Physicians IncMetairie, LA
- East Jefferson Physicians Group LLCMetairie, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James K. Ellis among 188 hematology & oncology physician records in Louisiana
James K. Ellis, M.D. is one of 188 hematology & oncology physician records with a practice address in Louisiana. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 51% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1991 · median 2005 among the 144 with a school on file
- Record last updated2017 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Louisiana
There are 188 hematology & oncology physician records in Louisiana.
All 188 in Louisiana → Every provider in Thibodaux → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Gerardo Arias, M.D.Thibodaux, LA 703011447265178
- Scott Hebert, M.D.Thibodaux, LA 703011548603996
- Raul Doria, M.D.Houma, LA 703601417045261
- Robert Gamble, M.D.Houma, LA 703601639267487
- Comfort Takang, MD, MPHHouma, LA 703601467957464
- Ruben Vargas-Cuba, M.D.Houma, LA 703631578561189
- David Oubre, M.D.Hammond, LA 704031104883305
- Georges Tanios, MDHammond, LA 704031386907681
Common questions
What is James K. Ellis, M.D.'s NPI number?
James K. Ellis, M.D.'s National Provider Identifier (NPI) is 1982792750, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James K. Ellis, M.D. located?
The NPPES record lists a practice address at 608 N Acadia RD, Thibodaux, LA, 70301. Phone: (985) 449-4642. Providers update this record themselves, so call before visiting.
How can I verify James K. Ellis, M.D.'s license?
NPPES lists Louisiana license number 021233, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James K. Ellis, M.D. prescribe under Medicare Part D?
In 2024, James K. Ellis, M.D. had 1,640 Medicare Part D claims for 246 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is James K. Ellis, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.