Doctor profile · Federal record
Dr. John Carlsen, P.A.
Medical Physician Assistant (CMS: Physician Assistant) · Surgical Physician Assistant · Medical Physician Assistant · Knoxville, TN
- NPI 1114970209
- Accepts Medicare
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9125 Cross Park Dr Ste 200
Knoxville, TN 379234563
(865) 632-5900
fax (865) 374-2129
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- August 24, 2020
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State licenses (2)
- Tennessee #3495 · Connecticut #001584
- Medicaid
- TN #Q047734
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114970209. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
29
Distinct HCPCS
2
Medicare allowed
$1,445
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 16 | 12 | $39 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 13 | 11 | $63 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 74. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
144
Patients
125
Total drug cost
$2,243
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amiodarone Hcl | Generic | 23 | 14 | $171 |
| Potassium Chloride | Generic | 22 | 20 | $102 |
| Furosemide | Generic | 21 | 21 | $28 |
| Metoprolol Tartrate | Generic | 21 | 16 | $83 |
| Naloxone Hcl | Generic | 21 | 21 | $1,651 |
| Oxycodone Hcl | Generic | 21 | 21 | $104 |
| Atorvastatin Calcium | Generic | 15 | 12 | $103 |
Hospital affiliations
Frequently asked questions
What is Dr. John Carlsen's medical specialty?
Dr. John Carlsen practices Medical Physician Assistant in Knoxville, TN.
Where does Dr. John Carlsen practice?
Dr. John Carlsen practices at 9125 Cross Park Dr Ste 200, Knoxville, TN 379234563. Office phone: 8656325900.
What is Dr. John Carlsen's NPI?
Dr. John Carlsen's National Provider Identifier (NPI) is 1114970209, issued by NPPES.
Does Dr. John Carlsen accept Medicare assignment?
Yes. Dr. John Carlsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Carlsen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.