Doctor profile · Federal record
Dr. John Colfax, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Murfreesboro, TN
- NPI 1770630667
- Accepts Medicare
- MIPS 89.7 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 North Highland Avenue, Emergency Department
Murfreesboro, TN 37130
(615) 596-3455
fax (615) 396-6963 - Mailing address
-
One Vantage Way, Suite B240
Nashville, TN 37228
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- March 24, 2008
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Tennessee #42461
- Medicaid
- TN #3000317
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770630667. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
855
Distinct HCPCS
5
Medicare allowed
$102,659
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 286 | 278 | $176 | |
99284 |
Emergency department visit with moderate level of medical decision making | 260 | 240 | $121 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 168 | 159 | $8 | |
99283 |
Emergency department visit with low level of medical decision making | 76 | 68 | $72 | |
99291 |
Critical care, first 30-74 minutes | 65 | 64 | $215 |
In context: peer comparison
Among 19 peers in Murfreesboro Emergency Medicine Physician, average services per provider: 107. This provider delivers 8.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
116
Patients
113
Total drug cost
$1,298
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 32 | 31 | $386 |
| Doxycycline Monohydrate | Generic | 29 | 28 | $566 |
| Ondansetron Odt (Ondansetron) | Brand | 25 | 25 | $203 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 16 | 15 | $79 |
| Prednisone | Generic | 14 | 14 | $64 |
Frequently asked questions
What is Dr. John Colfax's medical specialty?
Dr. John Colfax practices Emergency Medicine Physician in Murfreesboro, TN.
Where does Dr. John Colfax practice?
Dr. John Colfax practices at 400 North Highland Avenue, Murfreesboro, TN 37130. Office phone: 6155963455.
What is Dr. John Colfax's NPI?
Dr. John Colfax's National Provider Identifier (NPI) is 1770630667, issued by NPPES.
Does Dr. John Colfax accept Medicare assignment?
Yes. Dr. John Colfax accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Colfax commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.