Physician Profile
John M. Dengler, MD practices sleep medicine (neurology) in Johnson City, TN. Medicare claims data shows John provided 7,524 services to 439 patients. The services billed most often include injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1321 SUNSET DRIVE SUITE 11
Johnson City, TN 37604
Within Sleep Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breathing disruption
Circadian rhythm
Daytime alertness
Excessive sleepiness
General sleep
General symptoms
Hormonal sleep
Insomnia & anxiety
Movement disorders
Neurological sleep
Parasomnia
Parasomnias
Pediatric sleep
Sleep breathing
Sleep disruption
Sleep movement
Sleep quality
Sleep timing
Most searched procedures
Behavioral therapy
Circadian therapy
Consultation
CPAP & positive airway pressure
Device management
Devices
Diagnostic testing
Diagnostics
Evaluations
Lifestyle & devices
Medical management
Oral appliances
Respiratory care
Snoring & airway
Surgery
Surgical & implants
Therapy
7,524 services · 439 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
169 |
| Infusion into a vein for therapy, prevention, or diagnosis, each additional hour | Treatment | 96366 |
145 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
89 |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
24 |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
11 |
| Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | Drug given | J1568 |
6,250 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
93 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
703 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
28 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Dengler is a sleep medicine (neurology) in Johnson City, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Dengler is listed at 1321 Sunset Drive Suite 11, Johnson City, TN 37604. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (423) 928-6174. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Dengler's National Provider Identifier is 1396790085. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Dengler has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Dengler provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less and infusion into a vein for therapy, prevention, or diagnosis, each additional hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dengler. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.