Margaret Cassada, MD
NPI 1427032754 · Psychiatry Physician · Greenville, MS
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Cassada, MD is a Psychiatry Physician provider in Greenville, MS (NPI 1427032754).
Provider details
- NPI number
- 1427032754
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 16112 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
794 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 607 | $32 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 106 | $45 |
| Psychiatric Diagnostic Evaluation90791 | 52 | $140 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 29 | $161 |
Typical Medicare-allowed amounts for these services range $32–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 228 | 41 |
| Clonazepam | 197 | 33 |
| Mirtazapine | 176 | 34 |
| Benztropine Mesylate | 110 | 13 |
| Alprazolam | 98 | 14 |
| Haloperidol | 88 | — |
| Haloperidol Decanoate | 68 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-30
- Last updated
- 2009-08-11
Frequently asked questions
- What is Margaret Cassada's NPI number?
- Margaret Cassada's National Provider Identifier (NPI) is 1427032754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Cassada's specialty?
- Margaret Cassada is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Cassada located?
- Margaret Cassada's practice location on file with NPPES is 492 Barnes Landing Rd, Greenville, MS 38703-1957.
- What is Margaret Cassada's phone number?
- The practice phone number listed in the NPPES registry for Margaret Cassada is (662) 378-8889.
- Does Margaret Cassada accept Medicare?
- Margaret Cassada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Cassada's NPI active?
- Yes — Margaret Cassada's NPI (1427032754) is active in the NPPES registry as of the last update on 2009-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.