Doctor profile · Federal record

Dr. Peggy Maasjo, NP

Nurse Practitioner · Detroit Lakes, MN

  • NPI 1508883117
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1245 Washington Ave
Detroit Lakes, MN 565013905
(218) 846-2000
fax (218) 846-2114

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 11, 2008
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Minnesota #R0876577

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508883117. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,136
Distinct HCPCS
10
Medicare allowed
$167,367
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 2,760 20 $23
99213 Established patient office or other outpatient visit, 20-29 minutes 313 155 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 300 205 $108
36415 Insertion of needle into vein for collection of blood sample 274 164 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 247 179 $8
80053 Blood test, comprehensive group of blood chemicals 205 166 $10
80061 Blood test, lipids (cholesterol and triglycerides) 191 162 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 133 133 $110
G0008 Administration of influenza virus vaccine 100 100 $30
80048 Blood test, basic group of blood chemicals (calcium, total) 87 62 $8

In context: peer comparison

Among 4 peers in this city , average services per provider: 154. This provider delivers 33× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,132
Patients
1,101
Total drug cost
$184,186
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 504 151 $7,241
Lisinopril Generic 413 115 $4,483
Amlodipine Besylate Generic 351 92 $3,757
Omeprazole Generic 334 90 $4,584
Levothyroxine Sodium Generic 327 87 $5,014
Losartan Potassium Generic 313 83 $5,491
Simvastatin Generic 312 72 $4,300
Metoprolol Succinate Generic 281 80 $5,340
Gabapentin Generic 235 58 $3,511
Rosuvastatin Calcium Generic 205 62 $4,027

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peggy Maasjo's medical specialty?
Dr. Peggy Maasjo practices Nurse Practitioner in Detroit Lakes, MN.
Where does Dr. Peggy Maasjo practice?
Dr. Peggy Maasjo practices at 1245 Washington Ave, Detroit Lakes, MN 565013905. Office phone: 2188462000.
What is Dr. Peggy Maasjo's NPI?
Dr. Peggy Maasjo's National Provider Identifier (NPI) is 1508883117, issued by NPPES.
Does Dr. Peggy Maasjo accept Medicare assignment?
Yes. Dr. Peggy Maasjo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peggy Maasjo commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.