NPPES file of Aug 9, 2026

Heather G. Cwach, MD

Neurology Physician · Rapid City, SD

Heather G. Cwach, MD is a neurology physician with a practice address in Rapid City, South Dakota, and NPI 1255481420, issued on Jan 11, 2007. Check the license (South Dakota 4877, 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
1255481420
Name
Heather G. Cwach
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
4877 SD
Self-reported in NPPES; status is on the state search
Practice location
2929 5TH Street, Rapid City, SD 57701
Phone
(605) 341-3770
Enumerated
Jan 11, 2007
Record last updated
Jan 3, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(605) 341-8692
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2929 5TH Street

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

  1. Douglas Brown, MDNeurology Physician1063591857
  2. Robert Finley, MDNeurology Physician1891845145
  3. Steven Hata, MDNeurology Physician1003966334
  4. Jennifer Kruger, MDNeurology Physician1396953774
  5. Zita Kwartek, PAMedical Physician Assistant1922157197
  6. Craig Mills, MDPhysical Medicine & Rehabilitation Physician1164571386

Verify Heather G. Cwach 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 4877
    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

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43% fewer Medicare Part D claims than the average neurology physician in 2024

782 Medicare Part D claims for 73 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Heather Cwach782
  2. Specialty average1,370

Most prescribed

  1. Levetiracetam197 claims
  2. Lamotrigine178 claims
  3. Topiramate54 claims
  4. Divalproex Sodium51 claims
  5. Oxcarbazepine44 claims
  6. Lacosamide32 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score86.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $249.59

2 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Heather Cwach$249.59
  2. Specialty average$8,318.07

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

Neurology Physician providers in South Dakota

There are 51 neurology physician records in South Dakota.

Other neurology physician records in South Dakota

  1. Ahmed Abd ElazimSioux Falls, SD1285157065
  2. Nessim Amin, MDSioux Falls, SD1316369523
  3. Hasmik Amirjanyan, MDSioux Falls, SD1396309670
  4. William Andrews, MDYankton, SD1649487588
  5. Arsalan Anwar, M.D.Sioux Falls, SD1760001838
  6. Michael Bergan, M.D.Sioux Falls, SD1487888012
  7. Jeffrey Boyle, MD/PHDSioux Falls, SD1326273681
  8. Douglas Brown, MDRapid City, SD1063591857
  9. Bonnie Bunch, MDSioux Falls, SD1265485312
  10. James Case, MDDakota Dunes, SD1992708853

Common questions

What is Heather G. Cwach, MD's NPI number?

Heather G. Cwach, MD's National Provider Identifier (NPI) is 1255481420, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Heather G. Cwach, MD located?

The NPPES record lists a practice address at 2929 5TH Street, Rapid City, SD, 57701. Phone: (605) 341-3770. Providers update this record themselves, so call before visiting.

How can I verify Heather G. Cwach, MD's license?

NPPES lists South Dakota license number 4877, 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 Heather G. Cwach, MD prescribe under Medicare Part D?

In 2024, Heather G. Cwach, MD had 782 Medicare Part D claims for 73 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Heather G. Cwach, MD's MIPS final score?

The 2023 MIPS final score is 97.6 of 100. 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.