Robert Clark, M.D.
NPI 1518944198 · Nephrology Physician · Meridian, MS
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Clark, M.D. is a Nephrology Physician provider in Meridian, MS (NPI 1518944198).
Provider details
- NPI number
- 1518944198
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 07973 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,254 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 472 | $77 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 125 | $358 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 122 | $94 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 110 | $64 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 95 | $296 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 157 | 42 |
| Amlodipine Besylate | 95 | 32 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 67 | 22 |
| Clonidine Hcl | 60 | 19 |
| Furosemide | 60 | 23 |
| Lanthanum Carbonate | 53 | 16 |
| Allopurinol | 50 | 13 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$256 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-27
- Last updated
- 2024-10-21
- Certified
- 2024-10-21
Frequently asked questions
- What is Robert Clark's NPI number?
- Robert Clark's National Provider Identifier (NPI) is 1518944198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Clark's specialty?
- Robert Clark is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Clark located?
- Robert Clark's practice location on file with NPPES is 1600 22nd Ave, Meridian, MS 39301-3223.
- What is Robert Clark's phone number?
- The practice phone number listed in the NPPES registry for Robert Clark is (601) 483-5322.
- Does Robert Clark accept Medicare?
- Robert Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Clark's NPI active?
- Yes — Robert Clark's NPI (1518944198) is active in the NPPES registry as of the last update on 2024-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.