NPPES file of Aug 9, 2026

Neil Siekman, MD

Internal Medicine Physician · Wilmington, NC

Neil Siekman, MD is an internal medicine physician with a practice address in Wilmington, North Carolina, and NPI 1265851364, issued on Apr 16, 2014. Check the license (North Carolina 202302673, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265851364
Name
Neil Siekman
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
202302673 NC
61957 MN
314550 NY
67533-20 WI
Self-reported in NPPES; status is on the state search
Practice location
1202 Medical Drive, Wilmington, NC 28401
Phone
(919) 343-7000
Enumerated
Apr 16, 2014
Record last updated
Sep 25, 2023
Medicare enrollment
Enrolled (PECOS I20231009000946); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2014
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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Verify Neil Siekman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 202302673
    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

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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

321 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Neil Siekman321
  2. Specialty average3,176

Most prescribed

  1. Eliquis46 claims
  2. Prednisone22 claims
  3. Atorvastatin Calcium16 claims
  4. Clopidogrel12 claims
  5. Levothyroxine Sodium12 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.

Bills Medicare through one group practice

  1. Wilmington Health PLLCWilmington, NC

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

Neil Siekman among 4,056 internal medicine physician records in North Carolina

Neil Siekman, MD is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 74% of them.

  • NPI issued2014 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2014 · median 2004 among the 2,706 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

108 internal medicine physician records list a practice address in Wilmington

They are 108 of the 6,526 NPPES records with a practice address in Wilmington, and 4,056 internal medicine physician records in North Carolina.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Elvin Adams, MD/MPHWilmington, NC 284011497752554
  2. Margaret Collins, MDWilmington, NC 284011184621377
  3. Joey Eakins, M.D.Wilmington, NC 284011871533901
  4. Ayman Gebrail, M.D.Wilmington, NC 284011033105507
  5. Nancy Gerber, M.D.Wilmington, NC 284011932198603
  6. Russell Gerry, MDWilmington, NC 284011811992340
  7. Grace Gramley, M.D.Wilmington, NC 284011104805928
  8. Kathryn Murphy, M.D.Wilmington, NC 284011194795823

Common questions

What is Neil Siekman, MD's NPI number?

Neil Siekman, MD's National Provider Identifier (NPI) is 1265851364, issued on Apr 16, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Neil Siekman, MD located?

The NPPES record lists a practice address at 1202 Medical Drive, Wilmington, NC, 28401. Phone: (919) 343-7000. Providers update this record themselves, so call before visiting.

How can I verify Neil Siekman, MD's license?

NPPES lists North Carolina license number 202302673, 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 Neil Siekman, MD prescribe under Medicare Part D?

In 2024, Neil Siekman, MD had 321 Medicare Part D claims for 106 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.