NPPES file of Aug 9, 2026

William D. Knopp, M.D.

Family Medicine Physician · Chanhassen, MN

William D. Knopp, M.D. is a family medicine physician with a practice address in Chanhassen, Minnesota, and NPI 1023093283, issued on Dec 9, 2005. Check the license (Minnesota 40484, 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
1023093283
Name
William D. Knopp
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
40484 MN
Self-reported in NPPES; status is on the state search
Practice location
300 Lake Dr E, Chanhassen, MN 55317
Phone
(952) 993-4300
Enumerated
Dec 9, 2005
Record last updated
Oct 6, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20051006000955); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 1988
Telehealth
Offers telehealth (CMS)
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 300 Lake Dr E

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

  1. Kelly Albers, PT, ATRAthletic Trainer1346321494
  2. Natalie Bauman, FNP-CFamily Nurse Practitioner1902589419
  3. Adam Blaschko, DPTPhysical Therapist1013804988
  4. Katherine Bohn, DOFamily Medicine Physician1700576451
  5. Kristine Braun, P.T.Physical Therapist1538248919
  6. Erin Butterfield, M.D.Pediatrics Physician1164651865

Verify William D. Knopp 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 40484
    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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About as many Medicare Part D claims as the average family medicine physician in 2024

3,527 Medicare Part D claims for 429 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. 148 claims were for opioids.

  1. William Knopp3,527
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium259 claims
  2. Amlodipine Besylate191 claims
  3. Omeprazole159 claims
  4. Lisinopril138 claims
  5. Levothyroxine Sodium114 claims
  6. Rosuvastatin Calcium114 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. Park Nicollet ClinicBurnsville, MN

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

William D. Knopp among 3,985 family medicine physician records in Minnesota

William D. Knopp, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1988 · median 2006 among the 2,483 with a school on file
  • Record last updated2011 · 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).

18 family medicine physician records list a practice address in Chanhassen

They are 18 of the 267 NPPES records with a practice address in Chanhassen, and 3,985 family medicine physician records in Minnesota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Shazia Aslam, M.DChanhassen, MN 553171609057983
  2. Steven Carney, MDChanhassen, MN 553171922085919
  3. Lisa Elstad, MDChanhassen, MN 553171235371667
  4. Martha Guzman, MDChanhassen, MN 553171750367660
  5. Elizabeth Hebl, MDChanhassen, MN 553171790754091
  6. James Johanson, M.D.Chanhassen, MN 553171013979491
  7. Virginia Kakacek, M.D.Chanhassen, MN 553171134107923
  8. Michael Lano, MDChanhassen, MN 553171407857758

Common questions

What is William D. Knopp, M.D.'s NPI number?

William D. Knopp, M.D.'s National Provider Identifier (NPI) is 1023093283, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William D. Knopp, M.D. located?

The NPPES record lists a practice address at 300 Lake Dr E, Chanhassen, MN, 55317. Phone: (952) 993-4300. Providers update this record themselves, so call before visiting.

How can I verify William D. Knopp, M.D.'s license?

NPPES lists Minnesota license number 40484, 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 William D. Knopp, M.D. prescribe under Medicare Part D?

In 2024, William D. Knopp, M.D. had 3,527 Medicare Part D claims for 429 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.