Katherine Bonnichsen, MD
Dermatology Physician · Pierre, SD
Katherine Bonnichsen, MD is a dermatology physician with a practice address in Pierre, South Dakota, and NPI 1003234832, issued on Mar 29, 2014. Check the license (South Dakota 10974, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Katherine Bonnichsen
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 10974 SD
Self-reported in NPPES; status is on the state search - Practice location
- Avera Medical Group Pierre - Helmsley Center, Pierre, SD 57501
- Phone
- (605) 945-5217
- Enumerated
- Mar 29, 2014
- Record last updated
- Dec 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180919000099); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2014
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 53 in South Dakota → Look up another NPI →
Verify Katherine Bonnichsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 10974Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average dermatology physician in 2024
563 Medicare Part D claims for 231 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Ketoconazole72 claims
- Triamcinolone Acetonide69 claims
- Otezla63 claims
- Fluorouracil57 claims
- Fluocinonide34 claims
- Doxycycline Hyclate27 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: $491.25
30 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Avera St MarysPierre, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Bonnichsen among 53 dermatology physician records in South Dakota
Katherine Bonnichsen, MD is one of 53 dermatology 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 2014, is newer than 83% of them.
- NPI issued2014 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 2007 among the 39 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in South Dakota
There are 53 dermatology physician records in South Dakota.
All 53 in South Dakota → Every provider in Pierre → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Joyce Fletcher, M.D.Pierre, SD 575011528327798
- Ty Hanson, D.O.Aberdeen, SD 574011396804597
- Warren Redmond, MDAberdeen, SD 574011083723340
- Bo Wang, MD, PHDAberdeen, SD 574011053897892
- Melody Eide, MD MPHRapid City, SD 577011942419759
- Victoria FinleyRapid City, SD 577011457303158
- Maren Gaul, D.O.Rapid City, SD 577011699061085
- Mandi Greenway, M.D.Mitchell, SD 573011679830905
Common questions
What is Katherine Bonnichsen, MD's NPI number?
Katherine Bonnichsen, MD's National Provider Identifier (NPI) is 1003234832, issued on Mar 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Bonnichsen, MD located?
The NPPES record lists a practice address at Avera Medical Group Pierre - Helmsley Center, Pierre, SD, 57501. Phone: (605) 945-5217. Providers update this record themselves, so call before visiting.
How can I verify Katherine Bonnichsen, MD's license?
NPPES lists South Dakota license number 10974, 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 Katherine Bonnichsen, MD prescribe under Medicare Part D?
In 2024, Katherine Bonnichsen, MD had 563 Medicare Part D claims for 231 beneficiaries; the average among dermatology physician prescribers was 797. 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.