NPPES file of Aug 9, 2026

Martha Barck, CNP

Psychiatric/Mental Health Nurse Practitioner · Northfield, MN

Martha Barck, CNP is a psychiatric/mental health nurse practitioner with a practice address in Northfield, Minnesota, and NPI 1629663141, issued on Mar 5, 2021. Check the license (Minnesota 8059, as entered in NPPES) with the Minnesota 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
1629663141
Name
Martha Barck
Credential
CNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
8059 MN
Self-reported in NPPES; status is on the state search
Practice location
1400 Jefferson RD, Northfield, MN 55057
Phone
(507) 663-9000
Enumerated
Mar 5, 2021
Record last updated
Mar 30, 2023
Medicare enrollment
Enrolled (PECOS I20210914001933); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 1400 Jefferson RD

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

  1. Claire Bartlett, PA-CPhysician Assistant1114567633
  2. Cynthia Baumgartner, MDFamily Medicine Physician1043271125
  3. Ryan Behrens, MDFamily Medicine Physician1780645242
  4. Lara Brown, LICSWClinical Social Worker1023552130
  5. Michael BurgdorfFamily Medicine Physician1003497306
  6. Rodney Christensen, MDFamily Medicine Physician1669434916

Verify Martha Barck in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license 8059
    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 Minnesota license search

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40% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

546 Medicare Part D claims for 44 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Martha Barck546
  2. Specialty average906

Most prescribed

  1. Bupropion Xl50 claims
  2. Buspirone Hcl43 claims
  3. Hydroxyzine Hcl38 claims
  4. Duloxetine Hcl37 claims
  5. Quetiapine Fumarate32 claims
  6. Aripiprazole31 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.

Bills Medicare through one group practice

  1. Allina Health SystemAnnandale, MN

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

6 psychiatric/mental health nurse practitioner records list a practice address in Northfield

They are 6 of the 389 NPPES records with a practice address in Northfield, and 990 psychiatric/mental health nurse practitioner records in Minnesota.

Other psychiatric/mental health nurse practitioner records in Minnesota

  1. Hibo AbdiSaint Paul, MN1861283186
  2. Samira AbdiBloomington, MN1801639521
  3. Suad Abdi, NURSE PRACTITIONERSavage, MN1194642959
  4. Naomy Abdurahman, DNPMinneapolis, MN1427590983
  5. Elizabeth Abraham, NPNew Brighton, MN1801313283
  6. Jessica AcunaDuluth, MN1104624006
  7. Babatunde Adams, PMHNP-BCEagan, MN1669073029
  8. Adejoke Adedeji, APRN PMHNP-BCBurnsville, MN1164813366
  9. Tolulope Adediwura, APRN, CNPMinneapolis, MN1992355028
  10. Amina Aden, NPSaint Paul, MN1407424039

Common questions

What is Martha Barck, CNP's NPI number?

Martha Barck, CNP's National Provider Identifier (NPI) is 1629663141, issued on Mar 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Martha Barck, CNP located?

The NPPES record lists a practice address at 1400 Jefferson RD, Northfield, MN, 55057. Phone: (507) 663-9000. Providers update this record themselves, so call before visiting.

How can I verify Martha Barck, CNP's license?

NPPES lists Minnesota license number 8059, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

How much does Martha Barck, CNP prescribe under Medicare Part D?

In 2024, Martha Barck, CNP had 546 Medicare Part D claims for 44 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.