NPPES file of Aug 9, 2026

Louis E. Nelsen, M.D.

Obstetrics & Gynecology Physician · Harrisonburg, VA

Louis E. Nelsen, M.D. is an obstetrics & gynecology physician with a practice address in Harrisonburg, Virginia, and NPI 1487753372, issued on Sep 21, 2006. Check the license (Virginia 0101041968, as entered in NPPES) on the Virginia Department of Health Professions; 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
1487753372
Name
Louis E. Nelsen
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
0101041968 VA
Self-reported in NPPES; status is on the state search
Practice location
240 Lucy Dr, Harrisonburg, VA 22801
Phone
(540) 438-1314
Enumerated
Sep 21, 2006
Record last updated
Aug 17, 2023
Fax
(540) 438-0797
Medicaid ID
006204937 VA
Medicare enrollment
Enrolled (PECOS I20111214000029); accepts Medicare assignment
Medical or professional school
Eastern Virginia Medical School, 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 240 Lucy Dr

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

  1. Leonard Aamodt, MDObstetrics & Gynecology Physician1497746051
  2. Roberta Gray, CNMAdvanced Practice Midwife1285614685
  3. Kimberly Greer, M.D.Obstetrics & Gynecology Physician1366785917
  4. Jamie Jenkins, CNMAdvanced Practice Midwife1043775554
  5. Martha Jones, CNMAdvanced Practice Midwife1265423826
  6. Kara Monger, FNPFamily Nurse Practitioner1134841091

Verify Louis E. Nelsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101041968
    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 Virginia license search

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22% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

129 Medicare Part D claims for 42 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Louis Nelsen129
  2. Specialty average165

Most prescribed

  1. Estradiol29 claims
  2. Oxybutynin Chloride Er16 claims
  3. Nitrofurantoin11 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. Augusta Medical GroupHarrisonburg, VA

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

Louis E. Nelsen among 1,174 obstetrics & gynecology physician records in Virginia

Louis E. Nelsen, M.D. is one of 1,174 obstetrics & gynecology physician records with a practice address in Virginia. 72% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 51% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1986 · median 2005 among the 701 with a school on file
  • Record last updated2023 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Virginia

There are 1,174 obstetrics & gynecology physician records in Virginia.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Leonard Aamodt, MDHarrisonburg, VA 228011497746051
  2. Thomas Basco, MDHarrisonburg, VA 228011508815663
  3. Rebecca Filla, MDHarrisonburg, VA 228011922162189
  4. Kimberly Greer, M.D.Harrisonburg, VA 228011366785917
  5. Rochelle Johns, MDHarrisonburg, VA 228011114581170
  6. Ladene King, MDHarrisonburg, VA 228011053643627
  7. Philip Klim, D.OHarrisonburg, VA 228011376543728
  8. Mary Catherine Slusher, M.D.Harrisonburg, VA 228011073612958

Common questions

What is Louis E. Nelsen, M.D.'s NPI number?

Louis E. Nelsen, M.D.'s National Provider Identifier (NPI) is 1487753372, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Louis E. Nelsen, M.D. located?

The NPPES record lists a practice address at 240 Lucy Dr, Harrisonburg, VA, 22801. Phone: (540) 438-1314. Providers update this record themselves, so call before visiting.

How can I verify Louis E. Nelsen, M.D.'s license?

NPPES lists Virginia license number 0101041968, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Louis E. Nelsen, M.D. prescribe under Medicare Part D?

In 2024, Louis E. Nelsen, M.D. had 129 Medicare Part D claims for 42 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.