Terry Lane Zellmer, MD
Interventional Cardiology Physician · Baton Rouge, LA
Terry Lane Zellmer, MD is an interventional cardiology physician with a practice address in Baton Rouge, Louisiana, and NPI 1104827690, issued on Aug 9, 2005. Check the license (Louisiana 017796, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Terry Lane Zellmer
- Credential
- MD
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 017796 LA
Self-reported in NPPES; status is on the state search - Practice location
- 5231 Brittany Dr, Baton Rouge, LA 70808
- Phone
- (225) 769-0933
- Enumerated
- Aug 9, 2005
- Record last updated
- Mar 31, 2026
- Fax
- (225) 769-6255
- Medicaid ID
- 1921891 LA
- Medicare enrollment
- Enrolled (PECOS I20100603000499); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1984
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 176 in Louisiana → Look up another NPI →
Also registered at 5231 Brittany Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna Adams, MDInterventional Cardiology Physician1770592297
- Joseph Cefalu, MDInterventional Cardiology Physician1881695088
- Harold Clausen, MDInterventional Cardiology Physician1417958240
- Darren Couvillion, PAMedical Physician Assistant1679543706
- Daniel Fontenot, MDInterventional Cardiology Physician1356342513
- Victor Fuselier, PASurgical Physician Assistant1659356301
Verify Terry Lane Zellmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 017796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average interventional cardiology physician in 2024
9,934 Medicare Part D claims for 960 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Clopidogrel576 claims
- Amlodipine Besylate462 claims
- Metoprolol Succinate419 claims
- Entresto406 claims
- Atorvastatin Calcium364 claims
- Bisoprolol-Hydrochlorothiazide357 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,044.52
47 payments; by number, the most common kind was food and beverage; the largest payer was ShockWave Medical, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 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
- Baton Rouge Cardiology CenterBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Terry Lane Zellmer among 176 interventional cardiology physician records in Louisiana
Terry Lane Zellmer, MD is one of 176 interventional cardiology physician records with a practice address in Louisiana. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 76% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated1984 · median 2000 among the 160 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Louisiana
There are 176 interventional cardiology physician records in Louisiana.
All 176 in Louisiana → Every provider in Baton Rouge → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Joseph Cefalu, MDBaton Rouge, LA 708081881695088
- Harold Clausen, MDBaton Rouge, LA 708081417958240
- Daniel Fontenot, MDBaton Rouge, LA 708081356342513
- Bryan Hathorn, M DBaton Rouge, LA 708081235131269
- Boyd Helm, MDBaton Rouge, LA 708081073514576
- Harold Helmke, MDBaton Rouge, LA 708081295736510
- Jeffrey Hyde, M.D.Baton Rouge, LA 708081336143841
- Kevin Kilpatrick, MDBaton Rouge, LA 708081679574057
Common questions
What is Terry Lane Zellmer, MD's NPI number?
Terry Lane Zellmer, MD's National Provider Identifier (NPI) is 1104827690, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Terry Lane Zellmer, MD located?
The NPPES record lists a practice address at 5231 Brittany Dr, Baton Rouge, LA, 70808. Phone: (225) 769-0933. Providers update this record themselves, so call before visiting.
How can I verify Terry Lane Zellmer, MD's license?
NPPES lists Louisiana license number 017796, 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 Terry Lane Zellmer, MD prescribe under Medicare Part D?
In 2024, Terry Lane Zellmer, MD had 9,934 Medicare Part D claims for 960 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Terry Lane Zellmer, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.