Robert Daryl Marx, M.D.
Urology Physician · West Monroe, LA
Robert Daryl Marx, M.D. is a urology physician with a practice address in West Monroe, Louisiana, and NPI 1649202730, issued on Jul 7, 2006. Check the license (Louisiana 015584, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert Daryl Marx
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 015584 LA
Self-reported in NPPES; status is on the state search - Practice location
- 102 Thomas RD, West Monroe, LA 71291
- Phone
- (318) 329-8464
- Enumerated
- Jul 7, 2006
- Record last updated
- Jan 30, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (318) 329-8467
- Medicaid ID
- 1358690 LA
- Entity
- Type 1 · individual
8 nearest urology physician records → All 200 in Louisiana → Look up another NPI →
Also registered at 102 Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sperry Brown, CRNACertified Registered Nurse Anesthetist1023045754
- Jennifer Creel, ACNPCAcute Care Nurse Practitioner1073801635
- Suzette EppinetteGerontology Nurse Practitioner1245648385
- Kassi Guidry, PHARM DPharmacist1588108054
- Kathryn Laborde, APRNFamily Nurse Practitioner1932455011
- Arlene Lathrop, R.D.Registered Dietitian1114077898
Verify Robert Daryl Marx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 015584Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average urology physician in 2024
2,036 Medicare Part D claims for 346 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 46 claims were for opioids.
Most prescribed
- Finasteride271 claims
- Estradiol218 claims
- Tamsulosin Hcl205 claims
- Gemtesa163 claims
- Solifenacin Succinate90 claims
- Potassium Citrate Er83 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): 0 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).
Robert Daryl Marx among 200 urology physician records in Louisiana
Robert Daryl Marx, M.D. is one of 200 urology physician records with a practice address in Louisiana. 80% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 44% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2013 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Louisiana
There are 200 urology physician records in Louisiana.
All 200 in Louisiana → Every provider in West Monroe → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Edwin Edgerton, M.D.West Monroe, LA 712911164624961
- Edward Rutland, M.D.West Monroe, LA 712911124051248
- Jay BusbyWinnsboro, LA 712951184745010
- Jed Robinson, D.O.Winnsboro, LA 712951164730917
- Robert Fontane, M.D.Alexandria, LA 713011033140637
- Joshua Holstead, MDAlexandria, LA 713011629396460
- Leo Lowentritt, MDAlexandria, LA 713011154329167
- James Meek, M.D.Alexandria, LA 713011427021534
Common questions
What is Robert Daryl Marx, M.D.'s NPI number?
Robert Daryl Marx, M.D.'s National Provider Identifier (NPI) is 1649202730, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Daryl Marx, M.D. located?
The NPPES record lists a practice address at 102 Thomas RD, West Monroe, LA, 71291. Phone: (318) 329-8464. Providers update this record themselves, so call before visiting.
How can I verify Robert Daryl Marx, M.D.'s license?
NPPES lists Louisiana license number 015584, 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 Robert Daryl Marx, M.D. prescribe under Medicare Part D?
In 2024, Robert Daryl Marx, M.D. had 2,036 Medicare Part D claims for 346 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Robert Daryl Marx, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 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.