NPPES file of Aug 9, 2026

John Hearn, MD, MA

Psychiatry Physician · Saint Louis, MO

John Hearn, MD, MA is a psychiatry physician with a practice address in Saint Louis, Missouri, and NPI 1912211343, issued on Jul 27, 2010. Check the license (Missouri 2011034013, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912211343
Name
John Hearn
Credential
MD, MA
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
2011034013 MO
Self-reported in NPPES; status is on the state search
Practice location
1438 S Grand Blvd Dept OF, Saint Louis, MO 63104
Phone
(314) 362-2462
Enumerated
Jul 27, 2010
Record last updated
Jan 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190430001626); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 2010
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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Verify John Hearn 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 2011034013
    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

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

91 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. John Hearn91
  2. Specialty average1,000

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 one group practice

  1. Mercy Aco Clinical Services IncChesterfield, MO

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

John Hearn among 965 psychiatry physician records in Missouri

John Hearn, MD, MA is one of 965 psychiatry physician records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.

  • NPI issued2010 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2010 · median 2003 among the 474 with a school on file
  • Record last updated2021 · 46% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Missouri

There are 965 psychiatry physician records in Missouri.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Michal Artal, MDSt Louis, MO 631041174548978
  2. Catalina Belean, M.D.Saint Louis, MO 631041205270626
  3. Anjan Bhattacharyya, MDSaint Louis, MO 631041134193162
  4. Mehret Gebretsadik, M.D.Saint Louis, MO 631041598966905
  5. Miggie Greenberg, MDSt Louis, MO 631041841216702
  6. George Grossberg, MDSaint Louis, MO 631041033135991
  7. Mirela Marcu, MDSaint Louis, MO 631041639194442
  8. Bridget McCoy, MDSaint Louis, MO 631041083956320

Common questions

What is John Hearn, MD, MA's NPI number?

John Hearn, MD, MA's National Provider Identifier (NPI) is 1912211343, issued on Jul 27, 2010. An NPI identifies a provider in billing; it is not a license.

Where is John Hearn, MD, MA located?

The NPPES record lists a practice address at 1438 S Grand Blvd Dept OF, Saint Louis, MO, 63104. Phone: (314) 362-2462. Providers update this record themselves, so call before visiting.

How can I verify John Hearn, MD, MA's license?

NPPES lists Missouri license number 2011034013, 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 John Hearn, MD, MA prescribe under Medicare Part D?

In 2024, John Hearn, MD, MA had 91 Medicare Part D claims for 29 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.