Registry data as of Aug 27, 2026

Catherine Martin Frederick, CNP

Acute Care Nurse Practitioner · Sioux Falls, SD

Catherine Martin Frederick, CNP is an acute care nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1669608600, issued on Jun 4, 2009. Check the license (South Dakota CP000522, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1669608600
Name
Catherine Martin Frederick
Credential
CNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
CP000522 SD
Self-reported in NPPES; status is on the state search
Practice location
1508 W 22ND St Ste 101, Sioux Falls, SD 57105
Phone
(605) 328-3840
Enumerated
Jun 4, 2009
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 1508 W 22ND St Ste 101

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

  1. James Abdo, MDStudent in an Organized Health Care Education/Training Program1104312842
  2. Chelsey Ahlers, CNP-BCFamily Nurse Practitioner1639439110
  3. Paul Bjordahl, MDSurgery Physician1366647885
  4. Samantha Brandenburg, NP-CNurse Practitioner1700365681
  5. Melissa Bunkers, CNPNurse Practitioner1326581505
  6. Andrew Chontos, MDSurgery Physician1699708800

Verify Catherine Martin Frederick 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 CP000522
    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.

The practice group's Medicare quality score for 2023: 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).

One hospital or facility affiliation

  1. Sanford Medical CenterSioux Falls, SD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Acute Care Nurse Practitioner providers in South Dakota

There are 35 acute care nurse practitioner records in South Dakota.

Other acute care nurse practitioner records in South Dakota

  1. Angela Arseneau, CNPFort Meade, SD1174403372
  2. Pamela Barthle, MSN ACNPSioux Falls, SD1881837946
  3. Katelyn Bauer, NPSioux Falls, SD1417627365
  4. Alexandre Bitton, CNPSioux Falls, SD1104598143
  5. Katelyn Burch, AGACNP-BCSioux Falls, SD1669944625
  6. Elizabeth Byrd, FNP-BCBrookings, SD1396437067
  7. Mikayla Crocker, CNPRapid City, SD1942952817
  8. Elizabeth Edman, CNPSioux Falls, SD1427463371
  9. Morgan Farr, CNPSioux Falls, SD1225914542
  10. Natalie Golden, DNP, ACNPC-AGSioux Falls, SD1669215935

Common questions

What is Catherine Martin Frederick, CNP's NPI number?

Catherine Martin Frederick, CNP's National Provider Identifier (NPI) is 1669608600, issued on Jun 4, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Martin Frederick, CNP located?

The NPPES record lists a practice address at 1508 W 22ND St Ste 101, Sioux Falls, SD, 57105. Phone: (605) 328-3840. Providers update this record themselves, so call before visiting.

How can I verify Catherine Martin Frederick, CNP's license?

NPPES lists South Dakota license number CP000522, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

What is Catherine Martin Frederick, CNP's Medicare quality 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.