NPPES file of Aug 9, 2026

Mark Lewis Kiefer, M.D.

Family Medicine Physician · Lincolnton, NC

Mark Lewis Kiefer, M.D. is a family medicine physician with a practice address in Lincolnton, North Carolina, and NPI 1134111719, issued on Aug 18, 2005. Check the license (North Carolina 200100251, 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
1134111719
Name
Mark Lewis Kiefer
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
200100251 NC
Self-reported in NPPES; status is on the state search
Practice location
1531 N Aspen St, Lincolnton, NC 28092
Phone
(704) 732-8736
Enumerated
Aug 18, 2005
Record last updated
Jun 20, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(704) 732-8121
Medicaid ID
89128RE NC
Medicare enrollment
Enrolled (PECOS I20031203000360); may accept Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 1994
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 1531 N Aspen St

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

  1. Amy Kirkland, FNP-CFamily Nurse Practitioner1710649124
  2. Daniel Koch, M.D.Family Medicine Physician1861484453
  3. Kelcey Meier, PA-CPhysician Assistant1750898607
  4. Rebekah Milliron, NP-CFamily Nurse Practitioner1316489081
  5. Jeremy Sexton, PAMedical Physician Assistant1326327610

Verify Mark Lewis Kiefer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 200100251
    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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5.5 times the Medicare Part D claims of the average family medicine physician in 2024

19,564 Medicare Part D claims for 769 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 459 claims were for opioids.

  1. Mark Kiefer19,564
  2. Specialty average3,544

Most prescribed

  1. Omeprazole755 claims
  2. Atorvastatin Calcium557 claims
  3. Levothyroxine Sodium547 claims
  4. Amlodipine Besylate546 claims
  5. Meloxicam449 claims
  6. Montelukast Sodium415 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 2 group practices

  1. Comprehab, IncGastonia, NC
  2. Family Medicine Associates OF Lincoln County PLLCLincolnton, NC

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

Mark Lewis Kiefer among 4,953 family medicine physician records in North Carolina

Mark Lewis Kiefer, M.D. is one of 4,953 family medicine physician records with a practice address in North Carolina. 79% 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, 88% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1994 · median 2006 among the 3,104 with a school on file
  • Record last updated2011 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 family medicine physician records list a practice address in Lincolnton

They are 14 of the 472 NPPES records with a practice address in Lincolnton, and 4,953 family medicine physician records in North Carolina.

The 8 family medicine physician records with the nearest ZIP codes

  1. Rebecca AlveyLincolnton, NC 280921245928373
  2. Zachary Barfield, DOLincolnton, NC 280921821518010
  3. Donald Bias, MDLincolnton, NC 280921174517221
  4. Joshua Carpenter, M.D.Lincolnton, NC 280921518370899
  5. Donald Copeland, M.D.Lincolnton, NC 280921548328420
  6. Koshilie Gunadasa, MDLincolnton, NC 280921093036337
  7. Kendra Hartzoge, FNP-BCLincolnton, NC 280921285393165
  8. Daniel Koch, M.D.Lincolnton, NC 280921861484453

Common questions

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

Mark Lewis Kiefer, M.D.'s National Provider Identifier (NPI) is 1134111719, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Lewis Kiefer, M.D. located?

The NPPES record lists a practice address at 1531 N Aspen St, Lincolnton, NC, 28092. Phone: (704) 732-8736. Providers update this record themselves, so call before visiting.

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

NPPES lists North Carolina license number 200100251, 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 Lewis Kiefer, M.D. prescribe under Medicare Part D?

In 2024, Mark Lewis Kiefer, M.D. had 19,564 Medicare Part D claims for 769 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.