Robert Marx, M.D.
NPI 1649202730 · Urology Physician · West Monroe, LA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Marx, M.D. is a Urology Physician provider in West Monroe, LA (NPI 1649202730).
Provider details
- NPI number
- 1649202730
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 015584 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,788 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Urinalysis, Manual Test81002 | 682 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 447 | $121 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 180 | $10 |
| Insertion of Temporary Bladder Tube51701 | 95 | $41 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 63 | $85 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 57 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Finasteride | 271 | 68 |
| Estradiol | 218 | 86 |
| Tamsulosin Hcl | 205 | 51 |
| Vibegronbrand: Gemtesa | 163 | 28 |
| Solifenacin Succinate | 90 | 29 |
| Potassium Citratebrand: Potassium Citrate Er | 83 | 20 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 81 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2013-01-30
Frequently asked questions
- What is Robert Marx's NPI number?
- Robert Marx's National Provider Identifier (NPI) is 1649202730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Marx's specialty?
- Robert Marx is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Marx located?
- Robert Marx's practice location on file with NPPES is 102 Thomas Rd, West Monroe, LA 71291-7366.
- What is Robert Marx's phone number?
- The practice phone number listed in the NPPES registry for Robert Marx is (318) 329-8464.
- Does Robert Marx accept Medicare?
- Robert Marx is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Marx's NPI active?
- Yes — Robert Marx's NPI (1649202730) is active in the NPPES registry as of the last update on 2013-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.