NPPES file of Aug 9, 2026

Nancy M. Free, DO

Pediatrics Physician · Sioux Falls, SD

Nancy M. Free, DO is a pediatrics physician with a practice address in Sioux Falls, South Dakota, and NPI 1992751267, issued on May 26, 2006. Check the license (South Dakota 3504, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992751267
Name
Nancy M. Free
Credential
DO
Primary taxonomy
Pediatrics Physician 208000000X
License number
3504 SD
Self-reported in NPPES; status is on the state search
Practice location
1305 W 18TH St, Sioux Falls, SD 57105
Phone
(605) 333-2226
Enumerated
May 26, 2006
Record last updated
Mar 25, 2022
Fax
(605) 333-2222
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 Nancy M. Free 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 3504
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 78 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 score80.1
  2. Costout of 100 · 30%47.4
  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).

Nancy M. Free among 146 pediatrics physician records in South Dakota

Nancy M. Free, DO is one of 146 pediatrics physician records with a practice address in South Dakota. 40% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 49% newer
  • In a Medicare fileYes · 40% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2022 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

75 pediatrics physician records list a practice address in Sioux Falls

They are 75 of the 6,563 NPPES records with a practice address in Sioux Falls, and 146 pediatrics physician records in South Dakota.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Michelle Baack, MDSioux Falls, SD 571051316911266
  2. Barry Bauer, M.D.Sioux Falls, SD 571051831195569
  3. Kara Bruning, MDSioux Falls, SD 571051265412332
  4. Shannon Emry, MDSioux Falls, SD 571051821084930
  5. Lawrence FentonSioux Falls, SD 571051801849781
  6. Scott Henry, M.D.Sioux Falls, SD 571051366448920
  7. Terry Lang, M.D.Sioux Falls, SD 571051528064243
  8. Gary Neidich, MDSioux Falls, SD 571051770536807

Common questions

What is Nancy M. Free, DO's NPI number?

Nancy M. Free, DO's National Provider Identifier (NPI) is 1992751267, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy M. Free, DO located?

The NPPES record lists a practice address at 1305 W 18TH St, Sioux Falls, SD, 57105. Phone: (605) 333-2226. Providers update this record themselves, so call before visiting.

How can I verify Nancy M. Free, DO's license?

NPPES lists South Dakota license number 3504, 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.

What is Nancy M. Free, DO's MIPS final score?

The 2023 MIPS final score is 78 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.