Psychiatry & Neurology, Sleep Medicine · Johnson City, TN
NPI
1396790085
Since 2006
Specialty
Psychiatry & Neurology, Sleep Medicine
Code 2084S0012X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
1321 Sunset Drive, Suite 11
Johnson City, TN, 37604
Phone (423) 928-6174
Groups this clinician bills Medicare through
Medicare paid, 2024
$1.3M
22,134 services
Medicare patients, 2024
351
Average age 72
Drug cost, 2024
$2.8M
6,516 prescriptions
Company payments, 2025
$35.06
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by John M Dengler was code J1568 (injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg), 6,250 times for 16 patients. In total John M Dengler billed 22,134 services in 35 codes, and Medicare paid $1.3M.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2016-03-08.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|
| J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | Office | 6,250 | 16 | $37.16 | $232K |
| 99214 Office E&M - Established | Office | 703 | 286 | $75.41 | $53K |
| 96365 Intravenous Infusion, Hydration | Office | 169 | 24 | $40.06 | $6,771 |
| 96366 Intravenous Infusion, Hydration | Office | 145 | 18 | $13.30 | $1,929 |
| J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Office | 93 | 16 | $0.85 | $79.28 |
| 96372 Injection Administration | Office | 89 | 16 | $8.09 | $720 |
| 99204 Office E&M - New | Office | 28 | 28 | $92.30 | $2,584 |
| 95806 Sleep Study | Office | 24 | 13 | $61.38 | $1,473 |
| 99213 Office E&M - Established | Office | 12 | 11 | $45.35 | $544 |
| 95816 Neurologic | Office | 11 | 11 | $212.69 | $2,340 |
By year: 2022 $1.5M for 32,126 services; 2023 $1.3M for 31,065 services; 2024 $1.3M for 22,134 services.
Medicare prescription drug claims, 2024
In 2024, the drug John M Dengler prescribed most often to Medicare patients was Gabapentin, with 372 prescriptions and refills. In total John M Dengler wrote 6,516 Medicare prescriptions that cost $2.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Gabapentin Generic | 372 | 537 | 67 | $9,493 |
| Levetiracetam Generic | 354 | 681 | 62 | $9,335 |
| Clonazepam Generic | 350 | 358 | 48 | $4,011 |
| Lacosamide Generic | 281 | 351 | 33 | $26K |
| Lamotrigine Generic | 241 | 430 | 38 | $6,584 |
| Donepezil Hcl Generic | 182 | 368 | 43 | $1,259 |
| Primidone Generic | 174 | 340 | 33 | $5,238 |
| Carbidopa-Levodopa Carbidopa/Levodopa | 164 | 267 | 35 | $2,915 |
| Pregabalin Generic | 159 | 192 | 30 | $3,228 |
| Baclofen Generic | 145 | 224 | 35 | $3,119 |
| Zonisamide Generic | 134 | 219 | 22 | $5,102 |
| Carbidopa-Levodopa Er Carbidopa/Levodopa | 131 | 233 | 26 | $6,428 |
| Phenobarbital Generic | 131 | 178 | 12 | $4,342 |
| Topiramate Generic | 126 | 184 | 16 | $1,376 |
| Carbamazepine Er Carbamazepine | 119 | 184 | 14 | $15K |
Brand drugs: 694 claims; generic drugs: 5,691 claims; opioid claims: 203.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid John M Dengler $35.06 ($35.06 in general payments such as food, travel and fees) from 1 company. The largest payer was Pfizer Inc. with $35.06.
| Company | Payments | Amount |
|---|---|---|
| Pfizer Inc. PFE | 1 | $35.06 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.