NPPES file of Aug 9, 2026

Michael J. Knapp, DO

Family Medicine Physician · Aberdeen, SD

Michael J. Knapp, DO is a family medicine physician with a practice address in Aberdeen, South Dakota, and NPI 1215905518, issued on Mar 10, 2006. Check the license (South Dakota 7037, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; 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
1215905518
Name
Michael J. Knapp
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
7037 SD
48374 WI
Self-reported in NPPES; status is on the state search
Practice location
105 S State St, Aberdeen, SD 57401
Phone
(605) 225-5856
Enumerated
Mar 10, 2006
Record last updated
Sep 4, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(605) 225-7919
Medicaid IDs
5612940 SD
10157 ND
5612942 SD
Medicare enrollment
Enrolled (PECOS I20071030000604); accepts Medicare assignment
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 105 S State St

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

  1. Jessica Bierschbach, CNPNurse Practitioner1790160570
  2. Jeffrey Bock, MDFamily Medicine Physician1649274481
  3. Danita Hoffman, PHARMDPharmacist1316563141
  4. Mark Mogen, MDFamily Medicine Physician1578567319
  5. Cynthia Pallesen, CNPFamily Nurse Practitioner1407935901
  6. Nancy Rude, PA-CPhysician Assistant1235102351

Verify Michael J. Knapp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 7037
    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 South Dakota 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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3.2 times the Medicare Part D claims of the average family medicine physician in 2024

11,356 Medicare Part D claims for 673 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. 147 claims were for opioids.

  1. Michael Knapp11,356
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium532 claims
  2. Amlodipine Besylate422 claims
  3. Omeprazole422 claims
  4. Atorvastatin Calcium370 claims
  5. Lisinopril360 claims
  6. Furosemide308 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: $153.14

2 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Knapp$153.14
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Avera St LukesAberdeen, SD · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Michael J. Knapp among 601 family medicine physician records in South Dakota

Michael J. Knapp, DO is one of 601 family medicine physician records with a practice address in South Dakota. 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 47% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2004 · median 2008 among the 393 with a school on file
  • Record last updated2009 · 52% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 family medicine physician records list a practice address in Aberdeen

They are 20 of the 758 NPPES records with a practice address in Aberdeen, and 601 family medicine physician records in South Dakota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lyle Biegler, MDAberdeen, SD 574011023057429
  2. Jeffrey Bock, MDAberdeen, SD 574011649274481
  3. Paul Denna, M.D.Aberdeen, SD 574011376838839
  4. Harvey Hart, MDAberdeen, SD 574011881659928
  5. Ingrid Hernberg, MDAberdeen, SD 574011982618641
  6. Reid Holkesvik, MDAberdeen, SD 574011285699322
  7. Kathryn Martinez, MDAberdeen, SD 574011043693849
  8. Mark Mogen, MDAberdeen, SD 574011578567319

Common questions

What is Michael J. Knapp, DO's NPI number?

Michael J. Knapp, DO's National Provider Identifier (NPI) is 1215905518, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael J. Knapp, DO located?

The NPPES record lists a practice address at 105 S State St, Aberdeen, SD, 57401. Phone: (605) 225-5856. Providers update this record themselves, so call before visiting.

How can I verify Michael J. Knapp, DO's license?

NPPES lists South Dakota license number 7037, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael J. Knapp, DO prescribe under Medicare Part D?

In 2024, Michael J. Knapp, DO had 11,356 Medicare Part D claims for 673 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.