John Martin Dengler, MD
Sleep Medicine (Psychiatry & Neurology) Physician · Johnson City, TN
John Martin Dengler, MD is a sleep medicine (psychiatry & neurology) physician with a practice address in Johnson City, Tennessee, and NPI 1396790085, issued on May 23, 2006. Check the license (Tennessee MDO21544, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Martin Dengler
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
- License number
- MDO21544 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1321 Sunset Drive, Johnson City, TN 37604
- Phone
- (423) 928-6174
- Enumerated
- May 23, 2006
- Record last updated
- Mar 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (423) 926-2258
- Medicaid IDs
- 890687P NC
64913387 KY
006154042 VA
3061273 TN - Entity
- Type 1 · individual
8 nearest sleep medicine (psychiatry & neurology) physician records → All 18 in Tennessee → Look up another NPI →
Also registered at 1321 Sunset Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Kimbrough, MDNeurology Physician1851345235
- Nathaniel Whaley, MDNeurology Physician1245213545
Verify John Martin Dengler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MDO21544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.9 times the Medicare Part D claims of the average sleep medicine (psychiatry & neurology) physician in 2024
6,516 Medicare Part D claims for 522 beneficiaries, against an average of 655 among the 377 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 203 claims were for opioids.
Most prescribed
- Gabapentin372 claims
- Levetiracetam354 claims
- Clonazepam350 claims
- Lacosamide281 claims
- Lamotrigine241 claims
- Donepezil Hcl182 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,021.44
192 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 278 providers of this specialty with any payment received $5,572.43 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Martin Dengler among 18 sleep medicine (psychiatry & neurology) physician records in Tennessee
John Martin Dengler, MD is one of 18 sleep medicine (psychiatry & neurology) physician records with a practice address in Tennessee. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 28% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2016 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084S0012X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Psychiatry & Neurology) Physician providers in Tennessee
There are 18 sleep medicine (psychiatry & neurology) physician records in Tennessee.
All 18 in Tennessee → Every provider in Johnson City → Sleep Medicine (Psychiatry & Neurology) Physician nationwide →
The 8 sleep medicine (psychiatry & neurology) physician records with the nearest ZIP codes
- John Thomas, M.D.Knoxville, TN 379091083677835
- Michael Eisenstadt, MDKnoxville, TN 379201790865335
- Thomas Higgins, MDKnoxville, TN 379231780766469
- Christopher Nolte, M.D.Knoxville, TN 379341790768091
- Kanika Bagai, MDNashville, TN 372321750465860
- Lana Jeradeh Boursoulian, M.D.Nashville, TN 372321346465358
- Beth Malow, MDNashville, TN 372321629165733
- James McGuirkNashville, TN 372321376990754
Common questions
What is John Martin Dengler, MD's NPI number?
John Martin Dengler, MD's National Provider Identifier (NPI) is 1396790085, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Martin Dengler, MD located?
The NPPES record lists a practice address at 1321 Sunset Drive, Johnson City, TN, 37604. Phone: (423) 928-6174. Providers update this record themselves, so call before visiting.
How can I verify John Martin Dengler, MD's license?
NPPES lists Tennessee license number MDO21544, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Martin Dengler, MD prescribe under Medicare Part D?
In 2024, John Martin Dengler, MD had 6,516 Medicare Part D claims for 522 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. Part D covers Medicare prescriptions only.
What is John Martin Dengler, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.