NPPES file of Aug 9, 2026

Mark Andrew Nielsen, M.D.

Internal Medicine Physician · North Platte, NE

Mark Andrew Nielsen, M.D. is an internal medicine physician with a practice address in North Platte, Nebraska, and NPI 1730152984, issued on Feb 8, 2006. Check the license (Nebraska 17897, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; 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
1730152984
Name
Mark Andrew Nielsen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
17897 NE
Self-reported in NPPES; status is on the state search
Practice location
611 W Francis St, North Platte, NE 69101
Phone
(308) 534-2532
Enumerated
Feb 8, 2006
Record last updated
Aug 29, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(308) 534-6615
Medicare enrollment
Enrolled (PECOS I20180423000754); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 1986
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 611 W Francis St

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

  1. Bethany AdamsNurse Practitioner1457915613
  2. Lori Barrett, APRNNurse Practitioner1861433948
  3. Jeffrey Brittan, M.D.Family Medicine Physician1578591103
  4. Gary ConellFamily Medicine Physician1992731467
  5. Eduardo Augusto Freitas, MDInfectious Disease Physician1437248994
  6. Jaleen Greenwood, PA-CPhysician Assistant1669030094

Verify Mark Andrew Nielsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
    Search for license 17897
    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 Nebraska license search

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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

297 Medicare Part D claims for 76 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Mark Nielsen297
  2. Specialty average3,176

Most prescribed

  1. Eliquis23 claims
  2. Gabapentin20 claims
  3. Oxcarbazepine18 claims
  4. Potassium Chloride18 claims
  5. Atorvastatin Calcium16 claims
  6. Metoprolol Tartrate15 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.

Industry payments in 2024: $13.11

1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Nielsen$13.11
  2. Specialty average$1,303.06

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. Avera MckennanSioux Falls, SD

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

Mark Andrew Nielsen among 813 internal medicine physician records in Nebraska

Mark Andrew Nielsen, M.D. is one of 813 internal medicine physician records with a practice address in Nebraska. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 74% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1986 · median 2010 among the 414 with a school on file
  • Record last updated2012 · 56% 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 Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Nebraska

There are 813 internal medicine physician records in Nebraska.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Raymond Carlson, D.O.North Platte, NE 691011194717413
  2. Kimberley Derby-Lewis, MDNorth Platte, NE 691011235804808
  3. Amal El Gharamti, MDNorth Platte, NE 691011538730411
  4. Newton Mack, M.D.North Platte, NE 691011932260890
  5. Narendra Sajja, M.DNorth Platte, NE 691011164698767
  6. Susan Schuckert, M.D.North Platte, NE 691011669445573
  7. Jovanka Vuksanovic, M.D.North Platte, NE 691011487744710
  8. Kolette Smith, M.D.Sidney, NE 691621730187386

Common questions

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

Mark Andrew Nielsen, M.D.'s National Provider Identifier (NPI) is 1730152984, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Andrew Nielsen, M.D. located?

The NPPES record lists a practice address at 611 W Francis St, North Platte, NE, 69101. Phone: (308) 534-2532. Providers update this record themselves, so call before visiting.

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

NPPES lists Nebraska license number 17897, as entered by the provider. Search the Nebraska Board of Medicine and Surgery at https://www.nebraska.gov/LISSearch/search.cgi. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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

In 2024, Mark Andrew Nielsen, M.D. had 297 Medicare Part D claims for 76 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.