Doctor profile · Federal record

Dr. Ajay Parsaik, M.D.

Psychiatry Physician (CMS: Psychiatry) · Marshfield, WI

  • NPI 1740523844
  • Accepts Medicare
  • MIPS 76.2 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 N Oak Ave
Marshfield, WI 544495702
(715) 387-5511

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
February 16, 2024
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Wisconsin #66878-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740523844. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,622
Distinct HCPCS
9
Medicare allowed
$162,646
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 724 281 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 324 167 $117
90833 Psychotherapy with evaluation and management visit, 30 minutes 194 104 $60
99215 Established patient office or other outpatient visit, 40-54 minutes 144 81 $137
99443 Telephone medical discussion with physician, 21-30 minutes 133 63 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 37 28 $162
99443 Telephone medical discussion with physician, 21-30 minutes 34 23 $121
90833 Psychotherapy with evaluation and management visit, 30 minutes 18 15 $62
90792 Psychiatric diagnostic evaluation with medical services 14 14 $167

In context: peer comparison

Among 1 peers in Marshfield Psychiatry Physician, average services per provider: 180. This provider delivers 9.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
9,415
Patients
1,399
Total drug cost
$220,306
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 1,071 138 $35,286
Trazodone Hcl Generic 856 152 $19,042
Clonazepam Generic 805 113 $8,886
Lorazepam Generic 723 116 $6,727
Sertraline Hcl Generic 701 119 $10,222
Fluoxetine Hcl Generic 679 108 $10,704
Risperidone Generic 675 73 $9,757
Buspirone Hcl Generic 629 100 $18,295
Bupropion Xl (Bupropion Hcl) Brand 608 85 $20,887
Mirtazapine Generic 525 80 $10,380

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ajay Parsaik's medical specialty?
Dr. Ajay Parsaik practices Psychiatry Physician in Marshfield, WI.
Where does Dr. Ajay Parsaik practice?
Dr. Ajay Parsaik practices at 1000 N Oak Ave, Marshfield, WI 544495702. Office phone: 7153875511.
What is Dr. Ajay Parsaik's NPI?
Dr. Ajay Parsaik's National Provider Identifier (NPI) is 1740523844, issued by NPPES.
Does Dr. Ajay Parsaik accept Medicare assignment?
Yes. Dr. Ajay Parsaik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ajay Parsaik commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.