NPPES file of Aug 9, 2026

Abigail Lin Polzin, M.D.

Emergency Medicine Physician · Sioux Falls, SD

Abigail Lin Polzin, M.D. is an emergency medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1568787943, issued on Mar 29, 2010. Check the license (South Dakota 8841, 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
1568787943
Name
Abigail Lin Polzin
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
8841 SD
Self-reported in NPPES; status is on the state search
Practice location
1305 W 18TH St, Sioux Falls, SD 57105
Phone
(605) 333-6688
Enumerated
Mar 29, 2010
Record last updated
Mar 25, 2022
Fax
(605) 333-1578
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 1305 W 18TH St

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

  1. Beth AbrahamsonNeonatal Nurse Practitioner1013047380
  2. Unknown AbubakarStudent in an Organized Health Care Education/Training Program1235020959
  3. Mamoon AhmedHospitalist Physician1679184360
  4. Sameer Ahmed, MDHospitalist Physician1619549292
  5. Swetha Alapati, MDHospitalist Physician1982051421
  6. Joseph Alex, MDEmergency Medicine Physician1407484819

Verify Abigail Lin Polzin 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 8841
    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.

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65% fewer Medicare Part D claims than the average emergency medicine physician in 2024

79 Medicare Part D claims for 57 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Abigail Polzin79
  2. Specialty average226

Most prescribed

  1. Cephalexin14 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).

Abigail Lin Polzin among 122 emergency medicine physician records in South Dakota

Abigail Lin Polzin, M.D. is one of 122 emergency medicine physician records with a practice address in South Dakota. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.

  • NPI issued2010 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2022 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in South Dakota

There are 122 emergency medicine physician records in South Dakota.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. John Belk, DOSioux Falls, SD 571051346254984
  2. Shelley Driver, MDSioux Falls, SD 571051942210679
  3. Donald Ellis, MDSioux Falls, SD 571051326048760
  4. Jared Friedman, MDSioux Falls, SD 571051306852694
  5. Robert Harms, MDSioux Falls, SD 571051942210687
  6. Donald Kosiak, MDSioux Falls, SD 571051073541215
  7. Beth Lapka, MDSioux Falls, SD 571051497765937
  8. Lucas Mailander, MDSioux Falls, SD 571051093742934

Common questions

What is Abigail Lin Polzin, M.D.'s NPI number?

Abigail Lin Polzin, M.D.'s National Provider Identifier (NPI) is 1568787943, issued on Mar 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Abigail Lin Polzin, M.D. located?

The NPPES record lists a practice address at 1305 W 18TH St, Sioux Falls, SD, 57105. Phone: (605) 333-6688. Providers update this record themselves, so call before visiting.

How can I verify Abigail Lin Polzin, M.D.'s license?

NPPES lists South Dakota license number 8841, 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 Abigail Lin Polzin, M.D. prescribe under Medicare Part D?

In 2024, Abigail Lin Polzin, M.D. had 79 Medicare Part D claims for 57 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Abigail Lin Polzin, M.D.'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.