NPPES file of Aug 9, 2026

Mark D. Harris, M.D.

Rheumatology Physician · Wilmington, NC

Mark D. Harris, M.D. is a rheumatology physician with a practice address in Wilmington, North Carolina, and NPI 1437157872, issued on Jul 11, 2005. Check the license (North Carolina 200100549, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437157872
Name
Mark D. Harris
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
200100549 NC
Self-reported in NPPES; status is on the state search
Practice location
1710 S. 17TH St., Wilmington, NC 28401
Phone
(910) 762-1182
Enumerated
Jul 11, 2005
Record last updated
Jul 9, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(910) 202-2020
Medicaid IDs
89129JM NC
89138CO NC
Medicare enrollment
Enrolled (PECOS I20040511001348); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1992
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1710 S. 17TH St.

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Harshbarger, M.D.Rheumatology Physician1174520449
  2. David Puett, M.D.Rheumatology Physician1821096264
  3. Gregory Schimizzi, M.D.Rheumatology Physician1811995251
  4. Wendy Simmons, PARheumatology Physician1609800556

Verify Mark D. Harris in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 200100549
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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14% more Medicare Part D claims than the average rheumatology physician in 2024

2,254 Medicare Part D claims for 359 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 371 claims were for opioids.

  1. Mark Harris2,254
  2. Specialty average1,978

Most prescribed

  1. Prednisone365 claims
  2. Tramadol Hcl331 claims
  3. Hydroxychloroquine Sulfate321 claims
  4. Methotrexate300 claims
  5. Meloxicam80 claims
  6. Leflunomide76 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $268.13

9 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Harris$268.13
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Carolina Arthritis Associates PAWilmington, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark D. Harris among 234 rheumatology physician records in North Carolina

Mark D. Harris, M.D. is one of 234 rheumatology physician records with a practice address in North Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1992 · median 2005 among the 158 with a school on file
  • Record last updated2015 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in North Carolina

There are 234 rheumatology physician records in North Carolina.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Gregory BorstadWilmington, NC 284011528057056
  2. Daniel Delo, MDWilmington, NC 284011114128618
  3. Heather Favorito, MDWilmington, NC 284011306199674
  4. Guy FioccoWilmington, NC 284011700881695
  5. Ronald GeorgeWilmington, NC 284011265657894
  6. John Harshbarger, M.D.Wilmington, NC 284011174520449
  7. Malithi Jayasundara, MDWilmington, NC 284011871849976
  8. David Puett, M.D.Wilmington, NC 284011821096264

Common questions

What is Mark D. Harris, M.D.'s NPI number?

Mark D. Harris, M.D.'s National Provider Identifier (NPI) is 1437157872, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. Harris, M.D. located?

The NPPES record lists a practice address at 1710 S. 17TH St., Wilmington, NC, 28401. Phone: (910) 762-1182. Providers update this record themselves, so call before visiting.

How can I verify Mark D. Harris, M.D.'s license?

NPPES lists North Carolina license number 200100549, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark D. Harris, M.D. prescribe under Medicare Part D?

In 2024, Mark D. Harris, M.D. had 2,254 Medicare Part D claims for 359 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Mark D. Harris, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.