NPPES file of Aug 9, 2026

Adrienne Bak, NP

Family Nurse Practitioner · Watertown, SD

Adrienne Bak, NP is a family nurse practitioner with a practice address in Watertown, South Dakota, and NPI 1316739550, issued on May 22, 2025. Check the license (South Dakota CP003740, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316739550
Name
Adrienne Bak
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
CP003740 SD
R039997 SD
Self-reported in NPPES; status is on the state search
Practice location
506 1St Ave SE, Watertown, SD 57201
Phone
(605) 886-8482
Enumerated
May 22, 2025
Record last updated
Jul 21, 2025
Medicare enrollment
Enrolled (PECOS I20250807004005); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 862 in South Dakota → Look up another NPI →

Also registered at 506 1St Ave SE

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

  1. Heidi Barber, CNPNurse Practitioner1831709369
  2. Lindsey Barthel, NP-CFamily Nurse Practitioner1689957565
  3. Kristina Boetel, CNPNurse Practitioner1184192650
  4. David Carlson, MDFamily Medicine Physician1114985132
  5. Bailley Danforth, PA-CPhysician Assistant1184348807
  6. Rhonda Duncan, CNPFamily Nurse Practitioner1831403310

Verify Adrienne Bak 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 CP003740    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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Bills Medicare through one group practice

  1. Prairie Lakes Health Care System IncWatertown, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Adrienne Bak among 862 family nurse practitioner records in South Dakota

Adrienne Bak, NP is one of 862 family nurse practitioner records with a practice address in South Dakota. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 93% of them.

  • NPI issued2025 · 93% of these records are older, 3% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2025 · median 2019 among the 615 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

24 family nurse practitioner records list a practice address in Watertown

They are 24 of the 543 NPPES records with a practice address in Watertown, and 862 family nurse practitioner records in South Dakota.

All 862 in South Dakota → Every provider in Watertown → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Lindsey Barthel, NP-CWatertown, SD 572011689957565
  2. Rhonda Duncan, CNPWatertown, SD 572011831403310
  3. Haley Ellis, CNPWatertown, SD 572011306485172
  4. Travis Erickson, DNPWatertown, SD 572011467927657
  5. Kristie Goens, CNPWatertown, SD 572011245204957
  6. Sara Kruse, MSN, APRN, FNP-CWatertown, SD 572011417314295
  7. Lisa Lee, CNPWatertown, SD 572011942511365
  8. Salena Lundquist, FNP-BCWatertown, SD 572011972883486

Common questions

What is Adrienne Bak, NP's NPI number?

Adrienne Bak, NP's National Provider Identifier (NPI) is 1316739550, issued on May 22, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Adrienne Bak, NP located?

The NPPES record lists a practice address at 506 1St Ave SE, Watertown, SD, 57201. Phone: (605) 886-8482. Providers update this record themselves, so call before visiting.

How can I verify Adrienne Bak, NP's license?

NPPES lists South Dakota license number CP003740, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.