James O. Theis, MD
Family Medicine Physician · Marrero, LA
James O. Theis, MD is a family medicine physician with a practice address in Marrero, Louisiana, and NPI 1780773440, issued on Oct 12, 2006. Check the license (Louisiana 12004R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James O. Theis
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 12004R LA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Medical Center Blvd, Marrero, LA 70072
- Phone
- (504) 349-2908
- Enumerated
- Oct 12, 2006
- Record last updated
- May 12, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (504) 378-0019
- Medicaid ID
- 1531723 LA
- Medicare enrollment
- Enrolled (PECOS I20080529000372); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 1111 Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James O. Theis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 12004RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,376 Medicare Part D claims for 507 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 167 claims were for opioids.
Most prescribed
- Atorvastatin Calcium489 claims
- Amlodipine Besylate410 claims
- Lisinopril168 claims
- Rosuvastatin Calcium165 claims
- Metformin Hcl156 claims
- Levothyroxine Sodium151 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: $624.36
20 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Patricia Jackson MD LLCMarrero, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James O. Theis among 1,728 family medicine physician records in Louisiana
James O. Theis, MD is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 56% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1993 · median 2006 among the 1,201 with a school on file
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family medicine physician records list a practice address in Marrero
They are 25 of the 1,117 NPPES records with a practice address in Marrero, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Marrero → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Phillip Canfield, MDMarrero, LA 700721326070798
- Kenneth Coignet, MDMarrero, LA 700721518953009
- Roger Cook, M.D.Marrero, LA 700721043218340
- Pramela Ganji, MDMarrero, LA 700721053450346
- Michele Lagarde-May, MDMarrero, LA 700721043346315
- Elie Lao, MDMarrero, LA 700721215986146
- Thuy Nguyen, M.D.Marrero, LA 700721710026844
- William Procell, MDMarrero, LA 700721750342598
Common questions
What is James O. Theis, MD's NPI number?
James O. Theis, MD's National Provider Identifier (NPI) is 1780773440, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James O. Theis, MD located?
The NPPES record lists a practice address at 1111 Medical Center Blvd, Marrero, LA, 70072. Phone: (504) 349-2908. Providers update this record themselves, so call before visiting.
How can I verify James O. Theis, MD's license?
NPPES lists Louisiana license number 12004R, 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 O. Theis, MD prescribe under Medicare Part D?
In 2024, James O. Theis, MD had 7,376 Medicare Part D claims for 507 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is James O. Theis, MD'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.