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CALLIE WALRAVEN HEARN MD
NPI 1043909435
Emergency Medicine in Chattanooga, TN

Active since May 02, 2023PECOS EnrolledAccepts Medicare Assignment
975 E 3RD ST, CHATTANOOGA, TN 37403(423) 778-7628 Get Directions Write a Review

NPPES record last updated: July 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 6, 2025, May 31, 2023, May 2, 2023 (3 updates tracked since 2023).

About Callie Walraven Hearn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CALLIE WALRAVEN HEARN MD (NPI 1043909435) is an individual emergency medicine provider in Chattanooga, Tennessee, licensed in Tennessee (74596) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Mercer University School Of Medicine (2023).

NPPES Registry Identity

NPI1043909435
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameCALLIE WALRAVEN HEARNCredential: MD
Location Address975 E 3RD STChattanooga, TN 37403-2173
Mailing Address975 E 3rd StChattanooga, TN 37403-2173 · (423) 778-7628
Phone(423) 778-7628
Sole ProprietorNo
Medical School CMSMercer University School Of MedicineGraduated 2023
Enumeration DateMay 2, 2023
Last NPPES UpdateJuly 6, 20253 updates tracked since enumeration
NPPES CertifiedJuly 6, 2025
✔ NPI 1043909435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TN · 74596
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
975 E 3RD ST, Chattanooga, TN 37403
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Other Names 1

Former Name (1)Callie Walraven

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Callie Walraven Hearn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143688929
PECOS Enrollment IDI20250717003909
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGAN A SPEARS CRNA
Nurse Anesthetist, Certified Registered
975 E 3RD ST
CHATTANOOGA, TN 37403
Hamilton County (423) 602-8400
TENNESSEE CANCER SPECIALISTS, PLLC
Internal Medicine (Hematology & Oncology)
975 E 3RD ST, ERLINGER MEDICAL CENTER
CHATTANOOGA, TN 37403
Hamilton County (423) 778-7977
DAVID SHVED D.O.
Hospitalist
975 E 3RD ST
CHATTANOOGA, TN 37403
Hamilton County (423) 778-5179
JASON DEDEKER MD
Psychiatry & Neurology (Psychiatry)
975 E 3RD ST
CHATTANOOGA, TN 37403
Hamilton County (423) 778-7000
WILLIAM MICHAEL BRITT JR.
Internal Medicine
975 E 3RD ST
CHATTANOOGA, TN 37403
Hamilton County (423) 778-3894
MR. EDWARD BRIAN HALLOCK CRNA
Nurse Anesthetist, Certified Registered
975 E 3RD ST
CHATTANOOGA, TN 37403
Hamilton County (423) 602-8400
MRS. DEBORAH K WESTBROOK L.C.S.W.
Social Worker (Clinical)
975 E 3RD ST
CHATTANOOGA, TN 37403
Hamilton County (423) 778-7654
BRETT ESCARZA M.D.
Anesthesiology
975 E 3RD ST
CHATTANOOGA, TN 37403
Hamilton County (423) 602-8400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Callie Hearn's NPI number?

The NPI number for Callie Hearn is 1043909435. It was assigned to this individual provider in the NPPES registry on May 2, 2023. The provider is also known as Callie Walraven.

Where is Callie Hearn located?

Callie Hearn practices at 975 E 3rd St, Chattanooga, TN 37403. The listed phone number is (423) 778-7628.

What is Callie Hearn's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Callie Hearn enrolled in Medicare?

Yes. Callie Hearn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Callie Hearn was last updated on July 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.