NPPES file of Aug 9, 2026

Christina Elizabeth Lankhorst, MD

Nephrology Physician · Sioux Falls, SD

Christina Elizabeth Lankhorst, MD is a nephrology physician with a practice address in Sioux Falls, South Dakota, and NPI 1134336340, issued on May 17, 2007. Check the license (South Dakota 7770, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134336340
Name
Christina Elizabeth Lankhorst
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
7770 SD
39221 IA
53610 MN
35090158 OH
57012681 OH
Self-reported in NPPES; status is on the state search
Practice location
1420 W 22ND St Ste 201, Sioux Falls, SD 57105
Phone
(605) 328-8100
Enumerated
May 17, 2007
Record last updated
Jan 21, 2025
Medicaid ID
2765011 OH
Medicare enrollment
Enrolled (PECOS I20101019001240); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2004
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.
Download card Updates feed

Also registered at 1420 W 22ND St Ste 201

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

  1. Jacob FormillerPhysician Assistant1053148916
  2. Natalie Golden, DNP, ACNPC-AGNurse Practitioner1669215935
  3. Haley Lunning, FNP-CFamily Nurse Practitioner1568320927
  4. Rachel Potter, PA-CPhysician Assistant1770063703
  5. Heidi WussowRegistered Nurse1306725916

Verify Christina Elizabeth Lankhorst 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 7770
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

42% fewer Medicare Part D claims than the average nephrology physician in 2024

853 Medicare Part D claims for 207 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Christina Lankhorst853
  2. Specialty average1,465

Most prescribed

  1. Furosemide71 claims
  2. Calcitriol69 claims
  3. Amlodipine Besylate59 claims
  4. Allopurinol54 claims
  5. Losartan Potassium45 claims
  6. Calcium Acetate38 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.6
  2. Costout of 100 · 30%44.6
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $165.54

8 payments; by number, the most common kind was food and beverage; the largest payer was Fresenius USA Marketing, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christina Lankhorst$165.54
  2. Specialty average$3,091.37

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

Bills Medicare through 3 group practices

  1. Sanford ClinicSioux Falls, SD
  2. Sanford Health NetworkAberdeen, SD
  3. Sanford Medical CenterSioux Falls, SD

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

Christina Elizabeth Lankhorst among 26 nephrology physician records in South Dakota

Christina Elizabeth Lankhorst, MD is one of 26 nephrology physician records with a practice address in South Dakota. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.

  • NPI issued2007 · 42% of these records are older, 27% newer
  • In a Medicare fileYes · 96% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2004 · median 2002 among the 21 with a school on file
  • Record last updated2025 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in South Dakota

There are 26 nephrology physician records in South Dakota.

The 8 nephrology physician records with the nearest ZIP codes

  1. Dana Brandys, D.O.Sioux Falls, SD 571051336339357
  2. Erin Greer, M.D.Sioux Falls, SD 571051780662437
  3. Lu Huber, MDSioux Falls, SD 571051629278759
  4. David Kovaleski, M.D.Sioux Falls, SD 571051902872674
  5. Julie Ann Linatoc, MDSioux Falls, SD 571051265680466
  6. Kevin Marquez, M.D.Sioux Falls, SD 571051205179470
  7. Tina Melanson, M.D.Sioux Falls, SD 571051437125119
  8. Ismail OmranSioux Falls, SD 571051023539590

Common questions

What is Christina Elizabeth Lankhorst, MD's NPI number?

Christina Elizabeth Lankhorst, MD's National Provider Identifier (NPI) is 1134336340, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christina Elizabeth Lankhorst, MD located?

The NPPES record lists a practice address at 1420 W 22ND St Ste 201, Sioux Falls, SD, 57105. Phone: (605) 328-8100. Providers update this record themselves, so call before visiting.

How can I verify Christina Elizabeth Lankhorst, MD's license?

NPPES lists South Dakota license number 7770, 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 Christina Elizabeth Lankhorst, MD prescribe under Medicare Part D?

In 2024, Christina Elizabeth Lankhorst, MD had 853 Medicare Part D claims for 207 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Christina Elizabeth Lankhorst, MD's MIPS final score?

The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.