Marilyn Dianne Marshall, MD
Family Medicine Physician · Abbeville, LA
Marilyn Dianne Marshall, MD is a family medicine physician with a practice address in Abbeville, Louisiana, and NPI 1467446161, issued on Sep 8, 2005. Check the license (Louisiana MD.13125R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marilyn Dianne Marshall
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD.13125R LA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Charity St, Abbeville, LA 70510
- Phone
- (337) 893-3443
- Enumerated
- Sep 8, 2005
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 1554715 LA
- Medicare enrollment
- Enrolled (PECOS I20080627000385); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Verify Marilyn Dianne Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.13125RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average family medicine physician in 2024
1,439 Medicare Part D claims for 84 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 14 claims were for opioids.
Most prescribed
- Metformin Hcl91 claims
- Amlodipine Besylate70 claims
- Rosuvastatin Calcium70 claims
- Trulicity64 claims
- Losartan Potassium63 claims
- Levothyroxine Sodium59 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: $185.34
10 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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 2 group practices
- Iberia Comprehensive Community Health Center,inc.Abbeville, LA
- Lsuhn Billing LLCLafayette, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marilyn Dianne Marshall among 1,728 family medicine physician records in Louisiana
Marilyn Dianne Marshall, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1996 · median 2006 among the 1,201 with a school on file
- Record last updated2018 · 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).
6 family medicine physician records list a practice address in Abbeville
They are 6 of the 260 NPPES records with a practice address in Abbeville, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Abbeville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Howard Alleman, MDAbbeville, LA 705101235116799
- Claude Meeks, MDAbbeville, LA 705101154539518
- Edison Ong, M.D.Abbeville, LA 705101598794406
- Lan Minh Pham, M.D.Abbeville, LA 705101205150224
- Brian Sullivan, MDAbbeville, LA 705101285676106
- Stefanie Acosta, MDLafayette, LA 705081629538665
- Stephanie Barrow, DOLafayette, LA 705081144780164
- Shalini ChoudharyLafayette, LA 705081225599129
Common questions
What is Marilyn Dianne Marshall, MD's NPI number?
Marilyn Dianne Marshall, MD's National Provider Identifier (NPI) is 1467446161, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn Dianne Marshall, MD located?
The NPPES record lists a practice address at 800 Charity St, Abbeville, LA, 70510. Phone: (337) 893-3443. Providers update this record themselves, so call before visiting.
How can I verify Marilyn Dianne Marshall, MD's license?
NPPES lists Louisiana license number MD.13125R, 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 Marilyn Dianne Marshall, MD prescribe under Medicare Part D?
In 2024, Marilyn Dianne Marshall, MD had 1,439 Medicare Part D claims for 84 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.