Doctor profile · Federal record

Dr. John Dengler, MD

Sleep Medicine (Psychiatry & Neurology) Physician · Johnson City, TN

  • NPI 1396790085
  • MIPS 0.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1321 Sunset Drive, Suite 11
Johnson City, TN 376047902
(423) 928-6174
fax (423) 926-2258

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 8, 2016
Specialty taxonomy
2084S0012X — NUCC code
State license (1)
Tennessee #MDO21544
Medicaid (4)
NC #890687P · KY #64913387 · VA #006154042 · TN #3061273

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396790085. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11,494
Distinct HCPCS
10
Medicare allowed
$532,839
HCPCS Description Services Patients Avg allowed
J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg 10,070 21 $41
99214 Established patient office or other outpatient visit, 30-39 minutes 721 316 $116
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 194 30 $57
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 150 20 $19
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 121 18 $2
96372 Injection of drug or substance under skin or into muscle 111 15 $13
99204 New patient office or other outpatient visit, 45-59 minutes 60 60 $154
96413 Administration of chemotherapy into vein, 1 hour or less 23 12 $105
95806 Sleep study including heart rate, breathing, airflow, and effort 20 12 $81
95816 Measurement of brain wave activity (eeg), awake and drowsy 13 13 $344

In context: peer comparison

Among 1 peers in this city , average services per provider: 1,044. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,021
Transactions
151
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
UCB, Inc. 25 $551.42
Neurelis, Inc. 11 $366.57
MDD US Operations, LLC 7 $366.19
ABBVIE INC. 26 $287.93
Novartis Pharmaceuticals Corporation 13 $272.22
Lundbeck LLC 13 $263.09
Alexion Pharmaceuticals, Inc. 8 $220.09
PFIZER INC. 16 $187.74
Neurocrine Biosciences, Inc. 6 $130.41
Lilly USA, LLC 6 $112.00
Genentech USA, Inc. 5 $108.75
Sumitomo Pharma America, Inc. 5 $86.14
Biogen, Inc. 4 $82.78
ARGENX US, INC. 3 $77.66
JAZZ PHARMACEUTICALS INC. 3 $75.40

By nature of payment

Food and Beverage
$3,985
Education
$36

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,922
Patients
510
Total drug cost
$120,220
Drug Type Claims Patients Total cost
Clonazepam Generic 380 54 $3,800
Gabapentin Generic 369 71 $11,232
Levetiracetam Generic 318 58 $14,544
Lamotrigine Generic 254 39 $8,533
Donepezil Hcl Generic 229 54 $2,428
Lacosamide Generic 225 32 $23,303
Primidone Generic 160 34 $6,760
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 152 36 $6,479
Baclofen Generic 148 34 $5,284
Zonisamide Generic 133 22 $7,476

Frequently asked questions

Auto-generated from federal data
What is Dr. John Dengler's medical specialty?
Dr. John Dengler practices Sleep Medicine (Psychiatry & Neurology) Physician in Johnson City, TN.
Where does Dr. John Dengler practice?
Dr. John Dengler practices at 1321 Sunset Drive, Johnson City, TN 376047902. Office phone: 4239286174.
What is Dr. John Dengler's NPI?
Dr. John Dengler's National Provider Identifier (NPI) is 1396790085, issued by NPPES.
What procedures does Dr. John Dengler commonly perform?
Top Medicare-reported procedures in 2023: Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg (HCPCS J1568); Established patient office or other outpatient visit (HCPCS 99214); Infusion into a vein for therapy, prevention, or diagnosis (HCPCS 96365). Source: CMS Medicare Physician & Other Practitioners file.