Mark Harris, M.D.
NPI 1437157872 · Rheumatology Physician · Wilmington, NC
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Harris, M.D. is a Rheumatology Physician provider in Wilmington, NC (NPI 1437157872).
Provider details
- NPI number
- 1437157872
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 200100549 (NC)
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
12,928 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,262 | $8 |
| Blood Creatinine Level82565 | 1,260 | $5 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 1,206 | $119 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation86140 | 1,201 | $5 |
| Liver Function Blood Test Panel80076 | 1,141 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,130 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 365 | 110 |
| Tramadol Hcl | 331 | 56 |
| Hydroxychloroquine Sulfate | 321 | 94 |
| Methotrexate Sodiumbrand: Methotrexate | 300 | 81 |
| Meloxicam | 80 | 24 |
| Leflunomide | 76 | 16 |
| Allopurinol | 73 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$268 across 9 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
- 2005-07-11
- Last updated
- 2015-07-09
Frequently asked questions
- What is Mark Harris's NPI number?
- Mark Harris's National Provider Identifier (NPI) is 1437157872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Harris's specialty?
- Mark Harris is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Harris located?
- Mark Harris's practice location on file with NPPES is 1710 S. 17th St., Wilmington, NC 28401-6442.
- What is Mark Harris's phone number?
- The practice phone number listed in the NPPES registry for Mark Harris is (910) 762-1182.
- Does Mark Harris accept Medicare?
- Mark Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Harris's NPI active?
- Yes — Mark Harris's NPI (1437157872) is active in the NPPES registry as of the last update on 2015-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.