Doctor profile · Federal record
Dr. Sunil John, MD
Internal Medicine Physician (CMS: Internal Medicine) · Knoxville, TN
- NPI 1912952177
- Accepts Medicare
- 36 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
6600 Nightingale Ln
Knoxville, TN 379092754
(865) 632-5885
fax (865) 374-2164 - Additional location
-
7625 Chapman Hwy Ste 103
Knoxville, TN 379202353
(865) 632-5893
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- August 20, 2025
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Tennessee #MD24852
- Medicaid
- TN #3078745
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912952177. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,850
Distinct HCPCS
10
Medicare allowed
$104,593
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 471 | 184 | $118 | |
36415 |
Insertion of needle into vein for collection of blood sample | 354 | 182 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 302 | 190 | $10 | |
81001 |
Manual urinalysis test with examination using microscope, automated | 278 | 182 | $3 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 274 | 180 | $8 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 196 | 155 | $16 | |
84439 |
Thyroxine (thyroid chemical), free | 193 | 152 | $9 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 185 | 148 | $13 | |
85652 |
Red blood cell sedimentation rate, to detect inflammation, automated | 158 | 130 | $3 | |
86140 |
Measurement c-reactive protein for detection of infection or inflammation | 158 | 128 | $5 |
In context: peer comparison
Among 77 peers in Knoxville Internal Medicine Physician, average services per provider: 140. This provider delivers 28× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
5,090
Patients
1,335
Total drug cost
$77,364
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 778 | 167 | $10,011 |
| Atorvastatin Calcium | Generic | 476 | 140 | $7,042 |
| Gabapentin | Generic | 461 | 98 | $7,609 |
| Pantoprazole Sodium | Generic | 429 | 131 | $6,544 |
| Rosuvastatin Calcium | Generic | 394 | 127 | $4,714 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 323 | 69 | $9,290 |
| Omeprazole | Generic | 295 | 88 | $4,629 |
| Duloxetine Hcl | Generic | 276 | 76 | $8,589 |
| Potassium Chloride | Generic | 276 | 76 | $8,188 |
| Amlodipine Besylate | Generic | 263 | 79 | $1,392 |
Hospital affiliations
Frequently asked questions
What is Dr. Sunil John's medical specialty?
Dr. Sunil John practices Internal Medicine Physician in Knoxville, TN.
Where does Dr. Sunil John practice?
Dr. Sunil John practices at 6600 Nightingale Ln, Knoxville, TN 379092754. Office phone: 8656325885.
What is Dr. Sunil John's NPI?
Dr. Sunil John's National Provider Identifier (NPI) is 1912952177, issued by NPPES.
Does Dr. Sunil John accept Medicare assignment?
Yes. Dr. Sunil John accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sunil John commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.