NPPES file of Aug 9, 2026

Margaret M. Chilvers, MD

Orthopaedic Foot and Ankle Surgery Physician · Rapid City, SD

Margaret M. Chilvers, MD is an orthopaedic foot and ankle surgery physician with a practice address in Rapid City, South Dakota, and NPI 1528075256, issued on Aug 2, 2006. Check the license (South Dakota 8850, 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
1528075256
Name
Margaret M. Chilvers
Credential
MD
Primary taxonomy
Orthopaedic Foot and Ankle Surgery Physician 207XX0004X
License number
8850 SD
Self-reported in NPPES; status is on the state search
Practice location
7220 Mount Rushmore RD, Rapid City, SD 57702
Phone
(605) 341-1414
Enumerated
Aug 2, 2006
Record last updated
Jul 26, 2024
Fax
(605) 341-7062
Medicaid ID
2009127 SD
Medicare enrollment
Enrolled (PECOS I20160921002502); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 1999
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 7220 Mount Rushmore RD

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

  1. Nicholas Alonzo, PA-CPhysician Assistant1285911412
  2. Taylor Bryan, PA-CPhysician Assistant1801454467
  3. Jhett Cihak, PT, DPTPhysical Therapist1235020132
  4. Clark Duchene, MDOrthopaedic Surgery Physician1376523969
  5. Aaron Dykstra, M.D.Orthopaedic Hand Surgery Physician1558410407
  6. Connor Farrar, PA-CPhysician Assistant1518539147

Verify Margaret M. Chilvers 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 8850
    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.

About as many Medicare Part D claims as the average orthopaedic foot and ankle surgery physician in 2024

226 Medicare Part D claims for 122 beneficiaries, against an average of 225 among the 648 providers of this specialty who prescribed in Part D. 129 claims were for opioids.

  1. Margaret Chilvers226
  2. Specialty average225

Most prescribed

  1. Hydrocodone-Acetaminophen88 claims
  2. Oxycodone-Acetaminophen27 claims
  3. Gabapentin24 claims
  4. Amoxicillin19 claims
  5. Sulfamethoxazole-Trimethoprim14 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): 52.8 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 score47.0
  2. Costout of 100 · 30%39.9
  3. Promoting interoperabilitynot scored (reweighted)
  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: $18.20

1 payment: food and beverage; the largest payer was Bioventus LLC. The 643 providers of this specialty with any payment received $23,314.63 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret Chilvers$18
  2. Specialty average$23,315

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

Bills Medicare through 2 group practices

  1. Black Hills Orthopedic And Spine Center IncRapid City, SD
  2. Black Hills Orthopedic And Spine Center OF Wyoming PCGillette, WY

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

Orthopaedic Foot and Ankle Surgery Physician providers in South Dakota

There are 3 orthopaedic foot and ankle surgery physician records in South Dakota.

The 2 orthopaedic foot and ankle surgery physician records with the nearest ZIP codes

  1. Franklin Alvine, MDSioux Falls, SD 571031033179775
  2. Phinit Phisitkul, MDDakota Dunes, SD 570491205090297

Common questions

What is Margaret M. Chilvers, MD's NPI number?

Margaret M. Chilvers, MD's National Provider Identifier (NPI) is 1528075256, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret M. Chilvers, MD located?

The NPPES record lists a practice address at 7220 Mount Rushmore RD, Rapid City, SD, 57702. Phone: (605) 341-1414. Providers update this record themselves, so call before visiting.

How can I verify Margaret M. Chilvers, MD's license?

NPPES lists South Dakota license number 8850, 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 Margaret M. Chilvers, MD prescribe under Medicare Part D?

In 2024, Margaret M. Chilvers, MD had 226 Medicare Part D claims for 122 beneficiaries; the average among orthopaedic foot and ankle surgery physician prescribers was 225. Part D covers Medicare prescriptions only.

What is Margaret M. Chilvers, MD's MIPS final score?

The 2023 MIPS final score is 52.8 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.