Registry data as of Aug 27, 2026

Barry Hiatt, MD

Psychiatry Physician · St Louis, MO

Barry Hiatt, MD is a psychiatry physician with a practice address in St Louis, Missouri, and NPI 1801991781, issued on Sep 14, 2006. Check the license (Missouri R4783, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1801991781
Name
Barry Hiatt
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
R4783 MO
Self-reported in NPPES; status is on the state search
Practice location
8820 Ladue Road, St Louis, MO 63124
Phone
(314) 754-3246
Enumerated
Sep 14, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8820 Ladue Road

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

  1. Lenita Newberg, MSWPsychoanalyst1982840062
  2. Britt-Marie Schiller, PH.D.Psychoanalyst1629211206

Verify Barry Hiatt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R4783
    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 Missouri 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.

91% fewer Medicare Part D claims than the average psychiatry physician in 2024

91 Medicare Part D claims, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Barry Hiatt91
  2. Specialty average1,010

Most prescribed

  1. Alprazolam36 claims
  2. Lorazepam14 claims
  3. Fluvoxamine Maleate12 claims
  4. Methylphenidate Hcl12 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.

27 psychiatry physician records list a St Louis practice address

They are 27 of the 1,420 NPPES records with a St Louis practice address, and 924 psychiatry physician records in Missouri.

Other psychiatry physician records in Missouri

  1. Elham Abbas, M.D.Raymore, MO1538509062
  2. Mehamed Abdi, MDColumbia, MO1821982224
  3. Nawfel Abdulameer, MDKansas City, MO1164818589
  4. Ahmed Abdulkadir, MDColumbia, MO1104496355
  5. Lachman Abichandani, M.D.St Louis, MO1508928342
  6. Wayne AdamsJoplin, MO1376478941
  7. Aniefiok Agarin, M.D.West Plains, MO1558611129
  8. Archna Aggarwal, M.D.Columbia, MO1649255936
  9. Sara AghaSaint Louis, MO1912585829
  10. Kelly Ahern, MDSaint Louis, MO1740178177

Common questions

What is Barry Hiatt, MD's NPI number?

Barry Hiatt, MD's National Provider Identifier (NPI) is 1801991781, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barry Hiatt, MD located?

The NPPES record lists a practice address at 8820 Ladue Road, St Louis, MO, 63124. Phone: (314) 754-3246. Providers update this record themselves, so call before visiting.

How can I verify Barry Hiatt, MD's license?

NPPES lists Missouri license number R4783, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Barry Hiatt, MD prescribe under Medicare Part D?

In 2024, Barry Hiatt, MD had 91 Medicare Part D claims; 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.