Mallie Dennis, MD
Psychiatry Physician · Booneville, MS
Mallie Dennis, MD is a psychiatry physician with a practice address in Booneville, Mississippi, and NPI 1942880646, issued on Apr 8, 2021. Check the license (Mississippi 34904, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Mallie Dennis
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 34904 MS
Self-reported in NPPES; status is on the state search - Practice location
- 100 Hospital St, Booneville, MS 38829
- Phone
- (662) 720-5000
- Enumerated
- Apr 8, 2021
- Entity
- Type 1 · individual
Also registered at 100 Hospital St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Abushaer, MDEmergency Medicine Physician1942258983
- Nathan Baldwin, MDFamily Medicine Physician1235279688
- William Bell, MDEmergency Medicine Physician1164470720
- David Chase, M.D.Internal Medicine Physician1588623532
- Felton Combest, MDEmergency Medicine Physician1356399513
- Paul HendersonRegistered Respiratory Therapist1902071632
Verify Mallie Dennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 34904Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
60% fewer Medicare Part D claims than the average psychiatry physician in 2024
400 Medicare Part D claims for 50 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Trazodone Hcl39 claims
- Sertraline Hcl29 claims
- Fluoxetine Hcl27 claims
- Bupropion Xl20 claims
- Divalproex Sodium Er19 claims
- Desvenlafaxine Succinate Er18 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.
One hospital or facility affiliation
- Baptist Memorial Medical Group, Inc.Booneville, MS
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Psychiatry Physician providers in Mississippi
There are 265 psychiatry physician records in Mississippi.
Other psychiatry physician records in Mississippi
- Fawaz Abdrabbo, M.D.Ridgeland, MS1760466551
- Khaled Abu-Hamdan, M. D.Whitfield, MS1356482459
- Sally Acebo, DOJackson, MS1922796424
- Patricia Ainsworth, MDRidgeland, MS1053459891
- Sarker Aleem, MDStarkville, MS1063525624
- Jeffrey Ali, M.D.Jackson, MS1164468468
- Roger Anastasio, M.D.Hattiesburg, MS1760563548
- Tasheitha AnaziaHattiesburg, MS1851681969
- George Anderson, M.D.Hattiesburg, MS1447645411
- Janet Angelo, M.D.Jackson, MS1316978547
Common questions
What is Mallie Dennis, MD's NPI number?
Mallie Dennis, MD's National Provider Identifier (NPI) is 1942880646, issued on Apr 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mallie Dennis, MD located?
The NPPES record lists a practice address at 100 Hospital St, Booneville, MS, 38829. Phone: (662) 720-5000. Providers update this record themselves, so call before visiting.
How can I verify Mallie Dennis, MD's license?
NPPES lists Mississippi license number 34904, 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 Mallie Dennis, MD prescribe under Medicare Part D?
In 2024, Mallie Dennis, MD had 400 Medicare Part D claims for 50 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.