Doctor profile · Federal record
Dr. John Marshall, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medical Services (Emergency Medicine) Physician · Chattanooga, TN
- NPI 1285676999
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2333 McCallie Ave
Chattanooga, TN 374043258
(423) 493-1493
fax (423) 698-6061 - Mailing address
-
580 Pine Hill RD
Mc Donald, TN 373535463
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 24, 2022
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Tennessee #30691
- Medicaid (2)
- GA #000818364K · TN #3836151
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285676999. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
231
Distinct HCPCS
3
Medicare allowed
$27,119
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 150 | 141 | $115 | |
99285 |
Emergency department visit with high level of medical decision making | 45 | 43 | $166 | |
99283 |
Emergency department visit with low level of medical decision making | 36 | 36 | $68 |
In context: peer comparison
Among 46 peers in Chattanooga Emergency Medicine Physician, average services per provider: 101. This provider delivers 2.3× the peer median.Open Payments
Industry payments received
All-time total
$192
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ShockWave Medical, INC | 1 | $192.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
464
Patients
452
Total drug cost
$3,557
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Diclofenac Sodium | Generic | 71 | 66 | $468 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 59 | 56 | $202 |
| Ondansetron Odt (Ondansetron) | Brand | 46 | 45 | $287 |
| Cephalexin | Generic | 42 | 41 | $306 |
| Methylprednisolone | Generic | 37 | 37 | $454 |
| Meloxicam | Generic | 33 | 33 | $50 |
| Azithromycin | Generic | 31 | 30 | $164 |
| Prednisone | Generic | 25 | 24 | $281 |
| Methocarbamol | Generic | 23 | 23 | $124 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 21 | 21 | $84 |
Hospital affiliations
Frequently asked questions
What is Dr. John Marshall's medical specialty?
Dr. John Marshall practices Emergency Medicine Physician in Chattanooga, TN.
Where does Dr. John Marshall practice?
Dr. John Marshall practices at 2333 McCallie Ave, Chattanooga, TN 374043258. Office phone: 4234931493.
What is Dr. John Marshall's NPI?
Dr. John Marshall's National Provider Identifier (NPI) is 1285676999, issued by NPPES.
Does Dr. John Marshall accept Medicare assignment?
Yes. Dr. John Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Marshall commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.