NPPES file of Aug 9, 2026

Callie Walraven Hearn, MD

Emergency Medicine Physician · Chattanooga, TN

Callie Walraven Hearn, MD is an emergency medicine physician with a practice address in Chattanooga, Tennessee, and NPI 1043909435, issued on May 2, 2023. Check the license (Tennessee 74596, as entered in NPPES) on the Tennessee 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
1043909435
Name
Callie Walraven Hearn
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
74596 TN
Self-reported in NPPES; status is on the state search
Practice location
975 E 3RD St, Chattanooga, TN 37403
Phone
(423) 778-7628
Enumerated
May 2, 2023
Record last updated
Jul 6, 2025
Medicare enrollment
Enrolled (PECOS I20250717003909); accepts Medicare assignment
Medical or professional school
Mercer University School Of Medicine, 2023
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 975 E 3RD St

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

  1. Edwin Abraham, MDAnesthesiology Physician1346469673
  2. Ndurache Adaba, CRNACertified Registered Nurse Anesthetist1669858056
  3. Jonathan AdamsRegistered Nurse1093525669
  4. Kimberly Adkins, PAPhysician Assistant1972600393
  5. Anthony Aird, M.D.Internal Medicine Physician1457513517
  6. Sachin Amin, M.D.Hospitalist Physician1154766764

Verify Callie Walraven Hearn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 74596
    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 Tennessee 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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65% fewer Medicare Part D claims than the average emergency medicine physician in 2024

80 Medicare Part D claims for 59 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Callie Hearn80
  2. Specialty average226

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. Tennessee River Physicians, PLLCPikeville, TN

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

Callie Walraven Hearn among 1,174 emergency medicine physician records in Tennessee

Callie Walraven Hearn, MD is one of 1,174 emergency medicine physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.

  • NPI issued2023 · 97% of these records are older, under 1% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2023 · median 2012 among the 667 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

112 emergency medicine physician records list a practice address in Chattanooga

They are 112 of the 7,377 NPPES records with a practice address in Chattanooga, and 1,174 emergency medicine physician records in Tennessee.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. James Bardoner, M.D.Chattanooga, TN 374031083654172
  2. Gary Barnes, M.D.Chattanooga, TN 374031538162433
  3. Ron Buchheit, M.D., D.C.Chattanooga, TN 374031740451343
  4. Mark Copeland, M.D.Chattanooga, TN 374031205876471
  5. Robert Hamilton, M.D.Chattanooga, TN 374031770523706
  6. Jacob Hennings, MDChattanooga, TN 374031265692008
  7. Amy Hess, MDChattanooga, TN 374031255590493
  8. Christine Jeong, M.D.Chattanooga, TN 374031619924743

Common questions

What is Callie Walraven Hearn, MD's NPI number?

Callie Walraven Hearn, MD's National Provider Identifier (NPI) is 1043909435, issued on May 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Callie Walraven Hearn, MD located?

The NPPES record lists a practice address at 975 E 3RD St, Chattanooga, TN, 37403. Phone: (423) 778-7628. Providers update this record themselves, so call before visiting.

How can I verify Callie Walraven Hearn, MD's license?

NPPES lists Tennessee license number 74596, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Callie Walraven Hearn, MD prescribe under Medicare Part D?

In 2024, Callie Walraven Hearn, MD had 80 Medicare Part D claims for 59 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.