Doctor profile · Federal record

Dr. Mary Nielsen, DO

Psychiatry Physician (CMS: Psychiatry) · St Louis Park, MN

  • NPI 1528325495
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3800 Park Nicollet Blvd
St Louis Park, MN 554162527
(952) 993-1000
Mailing address
3370 Xenwood Ave S
St Louis Park, MN 554162137

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
July 10, 2016
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Minnesota #58823

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528325495. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
326
Distinct HCPCS
4
Medicare allowed
$30,859
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 219 79 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 44 43 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 32 31 $166
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 31 20 $114

In context: peer comparison

Among 10 peers in this city , average services per provider: 95. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
301
Patients
34
Total drug cost
$10,242
Drug Type Claims Patients Total cost
Risperidone Generic 31 0 $958
Sertraline Hcl Generic 29 0 $592
Bupropion Xl (Bupropion Hcl) Brand 26 11 $2,247
Propranolol Hcl Generic 26 0 $644
Escitalopram Oxalate Generic 25 0 $502
Buspirone Hcl Generic 21 12 $908
Prazosin Hcl Generic 20 0 $518
Lamotrigine Generic 17 0 $317
Trazodone Hcl Generic 17 11 $572
Citalopram Hbr (Citalopram Hydrobromide) Brand 16 0 $121

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Nielsen's medical specialty?
Dr. Mary Nielsen practices Psychiatry Physician in St Louis Park, MN.
Where does Dr. Mary Nielsen practice?
Dr. Mary Nielsen practices at 3800 Park Nicollet Blvd, St Louis Park, MN 554162527. Office phone: 9529931000.
What is Dr. Mary Nielsen's NPI?
Dr. Mary Nielsen's National Provider Identifier (NPI) is 1528325495, issued by NPPES.
Does Dr. Mary Nielsen accept Medicare assignment?
Yes. Dr. Mary Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.