NPPES file of Aug 9, 2026

Corey S. Karmazin, DDS

Dentist · Sioux Falls, SD

Corey S. Karmazin, DDS is a dentist with a practice address in Sioux Falls, South Dakota, and NPI 1912008517, issued on Sep 26, 2006. Check the license (South Dakota M959, as entered in NPPES) with the South Dakota board that licenses this profession; 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
1912008517
Name
Corey S. Karmazin
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
M959 SD
Self-reported in NPPES; status is on the state search
Practice location
3220 W 57TH St, Sioux Falls, SD 57108
Phone
(605) 323-1320
Enumerated
Sep 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(605) 323-1329
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 3220 W 57TH St

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

  1. Ann Flynn-Crowe, MSWClinical Social Worker1205058633
  2. Molly Karmazin, DDSGeneral Practice Dentistry1811095441
  3. Lane Sawatzke, DCChiropractor1497343883
  4. Christine Wakefield, D.C.Chiropractor1629070453

Verify Corey S. Karmazin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license M959
    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
Find 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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55% fewer Medicare Part D claims than the average dentist in 2024

39 Medicare Part D claims for 20 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Corey Karmazin39
  2. Specialty average86

Most prescribed

  1. Amoxicillin16 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.

Corey S. Karmazin among 235 dentist records in South Dakota

Corey S. Karmazin, DDS is one of 235 dentist records with a practice address in South Dakota. 60% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 73% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2007 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in South Dakota

There are 235 dentist records in South Dakota.

The 8 dentist records with the nearest ZIP codes

  1. Cassondra Braun Heinz, D.D.S.Sioux Falls, SD 571081922367275
  2. Mallory Cicmanec, DDSSioux Falls, SD 571081114338589
  3. Kevin Haiar, D.D.S.Sioux Falls, SD 571081821405754
  4. Kayla Hanna, DDSSioux Falls, SD 571081992357008
  5. Dennis Motz, DDSSioux Falls, SD 571081134103971
  6. Justin Nichols, DDSSioux Falls, SD 571081881783595
  7. Blake Ridgway, D.D.S.Sioux Falls, SD 571081326420480
  8. John Smallcomb, D.M.D.Sioux Falls, SD 571081235206756

Common questions

What is Corey S. Karmazin, DDS's NPI number?

Corey S. Karmazin, DDS's National Provider Identifier (NPI) is 1912008517, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Corey S. Karmazin, DDS located?

The NPPES record lists a practice address at 3220 W 57TH St, Sioux Falls, SD, 57108. Phone: (605) 323-1320. Providers update this record themselves, so call before visiting.

How can I verify Corey S. Karmazin, DDS's license?

NPPES lists South Dakota license number M959, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Corey S. Karmazin, DDS prescribe under Medicare Part D?

In 2024, Corey S. Karmazin, DDS had 39 Medicare Part D claims for 20 beneficiaries; the average among dentist prescribers was 86. 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.