NPPES file of Aug 9, 2026

Margaret K. Cassada, MD

Psychiatry Physician · Greenville, MS

Margaret K. Cassada, MD is a psychiatry physician with a practice address in Greenville, Mississippi, and NPI 1427032754, issued on Nov 30, 2005. Check the license (Mississippi 16112, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427032754
Name
Margaret K. Cassada
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
16112 MS
Self-reported in NPPES; status is on the state search
Practice location
492 Barnes Landing RD, Greenville, MS 38703
Phone
(662) 378-8889
Enumerated
Nov 30, 2005
Record last updated
Aug 11, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(662) 378-8828
Medicaid ID
00119732 MS
Medicare enrollment
Enrolled (PECOS I20040209000494); accepts Medicare assignment
Medical or professional school
University Of South Carolina School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Margaret K. Cassada in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 16112
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Mississippi license search

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92% more Medicare Part D claims than the average psychiatry physician in 2024

1,915 Medicare Part D claims for 160 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Margaret Cassada1,915
  2. Specialty average1,000

Most prescribed

  1. Quetiapine Fumarate228 claims
  2. Clonazepam197 claims
  3. Mirtazapine176 claims
  4. Benztropine Mesylate110 claims
  5. Alprazolam98 claims
  6. Haloperidol88 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. North Sunflower Medical CenterRuleville, MS
  2. Tallahatchie General HospitalCharleston, MS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Psychiatry Physician providers in Mississippi

There are 272 psychiatry physician records in Mississippi.

Other psychiatry physician records in Mississippi

  1. Fawaz Abdrabbo, M.D.Ridgeland, MS1760466551
  2. Khaled Abu-Hamdan, M. D.Whitfield, MS1356482459
  3. Sally Acebo, DOJackson, MS1922796424
  4. Dominic Adams, MDJackson, MS1326625310
  5. Patricia Ainsworth, MDRidgeland, MS1053459891
  6. Sarker Aleem, MDStarkville, MS1063525624
  7. Jeffrey Ali, M.D.Jackson, MS1164468468
  8. Roger Anastasio, M.D.Hattiesburg, MS1760563548
  9. Tasheitha AnaziaHattiesburg, MS1851681969
  10. George Anderson, M.D.Hattiesburg, MS1447645411

Common questions

What is Margaret K. Cassada, MD's NPI number?

Margaret K. Cassada, MD's National Provider Identifier (NPI) is 1427032754, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Margaret K. Cassada, MD located?

The NPPES record lists a practice address at 492 Barnes Landing RD, Greenville, MS, 38703. Phone: (662) 378-8889. Providers update this record themselves, so call before visiting.

How can I verify Margaret K. Cassada, MD's license?

NPPES lists Mississippi license number 16112, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Margaret K. Cassada, MD prescribe under Medicare Part D?

In 2024, Margaret K. Cassada, MD had 1,915 Medicare Part D claims for 160 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.