DR. JOHN HEARN (MD, MA) – Psychiatry Physician, NPI 1912211343

DR. JOHN HEARN (MD, MA) is a healthcare provider. based in Saint louis, Missouri. specializing in PSYCHIATRY. They hold the professional credentials MD, MA. They hold a License No. 2011034013 (MO). The NPI Number for DR. JOHN HEARN (MD, MA) is 1912211343

Main info

Male
Sole Proprietor
16 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN HEARN (MD, MA)
NPI
1912211343
Phone
(314) 362-2462
Address
1438 S GRAND BLVD DEPT OF
Enumeration Date
27 July 2010
Last Update Date
12 January 2021

Doctor Profile

Medical School Name
LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Secondary Phone
6362374200
Graduation Year
2010 (16 years ago)
PAC ID
3870722515
Group Practice PAC ID
6901188572
Professional Enrollment ID
I20190430001626
Address ID
MO630172004CH15740RDXX500
Telehealth
Yes

Contacts

Secure Messaging
jhearn303451@direct-ehr-ssmhc.com
FHIR Endpoint
https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness85
Years active:15State licenses:1Other namesUpdated within 12 months

819 PSYCHIATRY in MO

Provider Addresses for DR. JOHN HEARN (MD, MA)

  • 1438 S GRAND BLVD DEPT OF

    SAINT LOUIS, MO 631041027

    Phone: (314) 362-2462

    Type: Location

  • 660 S EUCLID AVE

    DEPARTMENT OF PSYCHIATRY, BOX 8134

    SAINT LOUIS, MO 631101010

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2019-04-30

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20190430001626IPsychiatryMOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 63104)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6901188572View full group profile
NameSpecialtyState
Hospitalist, Internal Medicine, Internal MedicineIL
Emergency MedicineMO
Nurse PractitionerMO
Nurse PractitionerMO
-MO
Nurse PractitionerMO
Nurse PractitionerMO
Physician AssistantMO
N E U R O L O G YAR
Internal MedicineMO

Reviews

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Frequently asked questions

What unique ID ties claims to DR. JOHN HEARN (MD, MA)?
NPI 1912211343 is assigned to DR. JOHN HEARN (MD, MA) under the national enumeration system.
Is DR. JOHN HEARN (MD, MA)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Does DR. JOHN HEARN (MD, MA) list a primary specialty?
If you are matching referrals, note Psychiatry Physician for DR. JOHN HEARN (MD, MA). Clinical services aligned with this taxonomy classification.
Does DR. JOHN HEARN (MD, MA) practice in Missouri?
You will see Saint Louis, Missouri on file for DR. JOHN HEARN (MD, MA) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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