Doctor profile · Federal record

Dr. Margaret Cassada, MD

Psychiatry Physician (CMS: Psychiatry) · Greenville, MS

  • NPI 1427032754
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
492 Barnes Landing RD
Greenville, MS 387031957
(662) 378-8889
fax (662) 378-8828
Mailing address
Po Box 5547
Greenville, MS 387045547

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
August 11, 2009
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Mississippi #16112
Medicaid
MS #00119732

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427032754. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11,835
Distinct HCPCS
8
Medicare allowed
$930,058
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 5,260 35 $139
90853 Group psychotherapy 5,186 34 $25
99212 Established patient office or other outpatient visit, 10-19 minutes 726 104 $33
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 520 126 $46
90791 Psychiatric diagnostic evaluation 83 75 $145
90792 Psychiatric diagnostic evaluation with medical services 34 34 $162
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 14 14 $74
99213 Established patient office or other outpatient visit, 20-29 minutes 12 11 $61

In context: peer comparison

Among 1 peers in Greenville Psychiatry Physician, average services per provider: 1,479. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,307
Patients
151
Total drug cost
$28,289
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 193 33 $2,791
Clonazepam Generic 151 34 $1,568
Mirtazapine Generic 151 32 $1,822
Benztropine Mesylate Generic 132 12 $1,468
Alprazolam Generic 98 16 $879
Haloperidol Generic 96 0 $3,977
Haloperidol Decanoate Generic 94 0 $7,612
Sertraline Hcl Generic 69 12 $886
Quetiapine Fumarate ER (Quetiapine Fumarate) Brand 65 0 $2,713
Lorazepam Generic 52 12 $264

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Cassada's medical specialty?
Dr. Margaret Cassada practices Psychiatry Physician in Greenville, MS.
Where does Dr. Margaret Cassada practice?
Dr. Margaret Cassada practices at 492 Barnes Landing RD, Greenville, MS 387031957. Office phone: 6623788889.
What is Dr. Margaret Cassada's NPI?
Dr. Margaret Cassada's National Provider Identifier (NPI) is 1427032754, issued by NPPES.
Does Dr. Margaret Cassada accept Medicare assignment?
Yes. Dr. Margaret Cassada accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Cassada commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Group psychotherapy (HCPCS 90853); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.