Donald Clark, M.D.
NPI 1821315011 · Cardiovascular Disease Physician · Jackson, MS
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Clark, M.D. is a Cardiovascular Disease Physician provider in Jackson, MS (NPI 1821315011).
Provider details
- NPI number
- 1821315011
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25138 (MS)
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
16 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
1,382 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 289 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 142 | $116 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 118 | $3 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 98 | $109 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 95 | $15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 107 | 30 |
| Amlodipine Besylate | 106 | 40 |
| Spironolactone | 97 | 27 |
| Atorvastatin Calcium | 85 | 27 |
| Metoprolol Succinate | 75 | 22 |
| Losartan Potassium | 71 | 29 |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-27
- Last updated
- 2019-04-11
Frequently asked questions
- What is Donald Clark's NPI number?
- Donald Clark's National Provider Identifier (NPI) is 1821315011, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Clark's specialty?
- Donald Clark is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Clark located?
- Donald Clark's practice location on file with NPPES is 2500 N State St, Jackson, MS 39216-4500.
- What is Donald Clark's phone number?
- The practice phone number listed in the NPPES registry for Donald Clark is (601) 984-1000.
- Does Donald Clark accept Medicare?
- Donald Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Clark's NPI active?
- Yes — Donald Clark's NPI (1821315011) is active in the NPPES registry as of the last update on 2019-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.