Doctor profile · Federal record

Dr. Martha Barck, CNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Northfield, MN

  • NPI 1629663141
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1400 Jefferson RD
Northfield, MN 550573081
(507) 663-9000
Additional location
570 Professional Dr
Northfield, MN 550572756
(507) 301-3412
Mailing address
570 Professional Dr
Northfield, MN 550572756

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
March 30, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Minnesota #8059

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629663141. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
27
Distinct HCPCS
1
Medicare allowed
$2,862
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 27 13 $106

In context: peer comparison

Among 3 peers in Northfield Psychiatric/Mental Health Nurse Practitioner, average services per provider: 44. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
380
Patients
0
Total drug cost
$8,404
Drug Type Claims Patients Total cost
Duloxetine Hcl Generic 58 0 $2,051
Bupropion Xl (Bupropion Hcl) Brand 53 0 $783
Quetiapine Fumarate Generic 43 0 $952
Buspirone Hcl Generic 29 0 $579
Hydroxyzine Hcl Generic 26 0 $421
Gabapentin Generic 25 0 $293
Risperidone Generic 21 0 $341
Escitalopram Oxalate Generic 19 0 $167
Benztropine Mesylate Generic 18 0 $147
Lithium Carbonate ER (Lithium Carbonate) Brand 18 0 $353

Frequently asked questions

Auto-generated from federal data
What is Dr. Martha Barck's medical specialty?
Dr. Martha Barck practices Psychiatric/Mental Health Nurse Practitioner in Northfield, MN.
Where does Dr. Martha Barck practice?
Dr. Martha Barck practices at 1400 Jefferson RD, Northfield, MN 550573081. Office phone: 5076639000.
What is Dr. Martha Barck's NPI?
Dr. Martha Barck's National Provider Identifier (NPI) is 1629663141, issued by NPPES.
Does Dr. Martha Barck accept Medicare assignment?
Yes. Dr. Martha Barck accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martha Barck commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.