DR. JOHN WILLIS MARSHALL MD
NPI 1285676999
Emergency Medicine in Chattanooga, TN

Active since June 10, 2006PECOS EnrolledAccepts Medicare Assignment
2333 MCCALLIE AVE, CHATTANOOGA, TN 37404(423) 493-1493(423) 698-6061 Get Directions Write a Review

NPPES record last updated: March 24, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John Willis Marshall Md NPPES

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

DR. JOHN WILLIS MARSHALL MD (NPI 1285676999) is an individual emergency medicine provider in Chattanooga, Tennessee, licensed in Tennessee (30691) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Chi Memorial Hospital- Georgia, and is a graduate of University Of Kentucky College Of Medicine (1993).

NPPES Registry Identity

NPI1285676999
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JOHN WILLIS MARSHALLCredential: MD
Location Address2333 MCCALLIE AVEChattanooga, TN 37404-3258
Mailing Address580 Pine Hill RdMc Donald, TN 37353-5463 · (423) 902-7737
Fax(423) 698-6061
Sole ProprietorNo
Medical School CMSUniversity Of Kentucky College Of MedicineGraduated 1993
Enumeration DateJune 10, 2006
Last NPPES UpdateMarch 24, 2022
NPPES CertifiedMarch 24, 2022
NPI 1285676999 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 · 30691
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 ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License 30691 (TN)
2333 MCCALLIE AVE, Chattanooga, TN 37404

Other Identifiers 2

Medicaid000818364KGA
Medicaid3836151TN

Accepted Insurance

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

Dr. John Willis Marshall 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 ID244205359
PECOS Enrollment IDI20040901000412, I20050728000373
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
90 services88 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
84 services84 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Chi Memorial Hospital- Georgia

Acute Care Hospitals · Fort Oglethorpe, GA
OwnershipVoluntary non-profit - Private
CMS Certification Number110236
Location100 Gross Crescent CircleFort Oglethorpe, GA 30742 · Catoosa County
Emergency services

Memorial Healthcare System, Inc

Acute Care Hospitals · Chattanooga, TN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440091
Location2525 Desales AveChattanooga, TN 37404 · Hamilton County

Parkridge Medical Center

Acute Care Hospitals · Chattanooga, TN
4/5 CMS rating
OwnershipProprietary
CMS Certification Number440156
Location2333 Mccallie AveChattanooga, TN 37404 · Hamilton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 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.

Physician Assistant
2333 MCCALLIE AVE
CHATTANOOGA, TN 37404
General Acute Care Hospital
2333 MCCALLIE AVE
CHATTANOOGA, TN 37404
Emergency Medicine
2333 MCCALLIE AVE
CHATTANOOGA, TN 37404
Nurse Practitioner (Acute Care)
2333 MCCALLIE AVE
CHATTANOOGA, TN 37404
Pathology (Anatomic Pathology & Clinical Pathology)
2333 MCCALLIE AVE
CHATTANOOGA, TN 37404
Internal Medicine
2333 MCCALLIE AVE
CHATTANOOGA, TN 37404
Emergency Medicine
2333 MCCALLIE AVE
CHATTANOOGA, TN 37404
Nurse Practitioner (Family)
2333 MCCALLIE AVE
CHATTANOOGA, TN 37404

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 John Marshall's NPI number?

The NPI number for John Marshall is 1285676999. It was assigned to this individual provider in the NPPES registry on June 10, 2006.

Where is John Marshall located?

John Marshall practices at 2333 Mccallie Ave, Chattanooga, TN 37404. The listed phone number is (423) 493-1493.

What is John Marshall's specialty?

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

Is John Marshall enrolled in Medicare?

Yes. John Marshall 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.

What insurance does John Marshall accept?

Health plans from Oscar Insurance Company list John Marshall as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Marshall affiliated with any hospitals?

According to CMS data, John Marshall is affiliated with Chi Memorial Hospital- Georgia, Memorial Healthcare System, Inc and Parkridge Medical Center.

When was this NPI record last updated?

The NPPES record for John Marshall was last updated on March 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.