NPPES file of Aug 9, 2026

Leah Margaret Clark, M.D.

Family Medicine Physician · Rochester, MN

Leah Margaret Clark, M.D. is a family medicine physician with a practice address in Rochester, Minnesota, and NPI 1679923379, issued on Jun 14, 2016. Check the license (Minnesota 62493, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1679923379
Name
Leah Margaret Clark
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
62493 MN
Self-reported in NPPES; status is on the state search
Practice location
200 1St St SW, Rochester, MN 55905
Phone
(507) 284-2511
Enumerated
Jun 14, 2016
Record last updated
Sep 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170802002746); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2016
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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8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →

Also registered at 200 1St St SW

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

  1. Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
  2. Christopher Aakre, MDInternal Medicine Physician1508151663
  3. Kathryn Aaro, P.T.Physical Therapist1619360666
  4. Danielle Aase, MDReproductive Endocrinology Physician1316524135
  5. Uzoamaka Abajue, PHARMDPharmacist1982335295
  6. Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246

Verify Leah Margaret Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 62493    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 Minnesota 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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25% fewer Medicare Part D claims than the average family medicine physician in 2024

2,662 Medicare Part D claims for 340 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 65 claims were for opioids.

  1. Leah Clark2,662
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate102 claims
  2. Losartan Potassium96 claims
  3. Atorvastatin Calcium85 claims
  4. Hydrochlorothiazide83 claims
  5. Levothyroxine Sodium74 claims
  6. Omeprazole72 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. Lakeview Clinic, Ltd.Chaska, MN

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

Leah Margaret Clark among 3,985 family medicine physician records in Minnesota

Leah Margaret Clark, M.D. is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 81% of them.

  • NPI issued2016 · 81% of these records are older, 17% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2016 · median 2006 among the 2,483 with a school on file
  • Record last updated2017 · 63% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

200 family medicine physician records list a practice address in Rochester

They are 200 of the 12,854 NPPES records with a practice address in Rochester, and 3,985 family medicine physician records in Minnesota.

All 3,985 in Minnesota → Every provider in Rochester → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. David Agerter, M.D.Rochester, MN 559051194701227
  2. Thomas Billings, D.O.Rochester, MN 559051497731228
  3. Elliot Bruhl, MDRochester, MN 559051083691612
  4. Elizabeth Bunch, M.D.Rochester, MN 559051902888639
  5. Casey Caldwell, M.D.Rochester, MN 559051356327696
  6. Robert Fish, M.D.Rochester, MN 559051578540282
  7. Walter Franz, M.D.Rochester, MN 559051265419386
  8. Margaret Gill, M.D.Rochester, MN 559051023095619

Common questions

What is Leah Margaret Clark, M.D.'s NPI number?

Leah Margaret Clark, M.D.'s National Provider Identifier (NPI) is 1679923379, issued on Jun 14, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Leah Margaret Clark, M.D. located?

The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.

How can I verify Leah Margaret Clark, M.D.'s license?

NPPES lists Minnesota license number 62493, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Leah Margaret Clark, M.D. prescribe under Medicare Part D?

In 2024, Leah Margaret Clark, M.D. had 2,662 Medicare Part D claims for 340 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.