NPPES file of Aug 9, 2026

Michael Loudon Marshall

Psychiatry Physician · Mobile, AL

Michael Loudon Marshall is a psychiatry physician with a practice address in Mobile, Alabama, and NPI 1083119473, issued on Mar 27, 2018. Check the license (Alabama MD.39155, as entered in NPPES) on the Alabama Board of Medical Examiners; 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
1083119473
Name
Michael Loudon Marshall
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
MD.39155 AL
Self-reported in NPPES; status is on the state search
Practice location
2451 USA Medical Center Dr, Mobile, AL 36617
Phone
(251) 461-4243
Enumerated
Mar 27, 2018
Record last updated
Jun 15, 2022
Fax
(251) 450-4323
Medicare enrollment
Enrolled (PECOS I20210428002359); accepts Medicare assignment
Medical or professional school
University Of South Alabama College Of Medicine, 2018
Telehealth
Offers telehealth (CMS)
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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Also registered at 2451 USA Medical Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Anaya, MDNephrology Physician1225533557
  2. Vinod Edirisinghe, M.D.Student in an Organized Health Care Education/Training Program1043625700
  3. Jenna Fowlkes, CRNPFamily Nurse Practitioner1982124822
  4. Jessica Houston, DOInternal Medicine Physician1447778154
  5. Michael Lysek, M.D.Internal Medicine Physician1265968853
  6. Bradford MargherioCertified Registered Nurse Anesthetist1598238578

Verify Michael Loudon Marshall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license MD.39155
    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 Alabama license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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75% more Medicare Part D claims than the average psychiatry physician in 2024

1,750 Medicare Part D claims for 111 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Michael Marshall1,750
  2. Specialty average1,000

Most prescribed

  1. Buspirone Hcl175 claims
  2. Trazodone Hcl151 claims
  3. Duloxetine Hcl90 claims
  4. Desvenlafaxine Succinate Er88 claims
  5. Clonazepam84 claims
  6. Bupropion Xl75 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.

Industry payments in 2024: $11,028.51

77 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Marshall$11,029
  2. Specialty average$4,955

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF South Alabama Health Care AuthorityMobile, AL

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

Michael Loudon Marshall among 517 psychiatry physician records in Alabama

Michael Loudon Marshall is one of 517 psychiatry physician records with a practice address in Alabama. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2018 · median 2004 among the 237 with a school on file
  • Record last updated2022 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

78 psychiatry physician records list a practice address in Mobile

They are 78 of the 6,309 NPPES records with a practice address in Mobile, and 517 psychiatry physician records in Alabama.

The 8 psychiatry physician records with the nearest ZIP codes

  1. William Billett, M.DMobile, AL 366171306848254
  2. Sebrina Burnett, DOMobile, AL 366171043953698
  3. Manuel Cepeda, MDMobile, AL 366171659321768
  4. Miranda Crowell, MDMobile, AL 366171003556077
  5. Amanda DavisMobile, AL 366171710637459
  6. Jason Engeriser, M.D.Mobile, AL 366171386735280
  7. Dominique MorenoMobile, AL 366171063040376
  8. Kelly Mover, DOMobile, AL 366171477050920

Common questions

What is Michael Loudon Marshall's NPI number?

Michael Loudon Marshall's National Provider Identifier (NPI) is 1083119473, issued on Mar 27, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Michael Loudon Marshall located?

The NPPES record lists a practice address at 2451 USA Medical Center Dr, Mobile, AL, 36617. Phone: (251) 461-4243. Providers update this record themselves, so call before visiting.

How can I verify Michael Loudon Marshall's license?

NPPES lists Alabama license number MD.39155, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Loudon Marshall prescribe under Medicare Part D?

In 2024, Michael Loudon Marshall had 1,750 Medicare Part D claims for 111 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.