Ryan D. Duncan, MD
Otolaryngology Physician · Brentwood, TN
Ryan D. Duncan, MD is an otolaryngology physician with a practice address in Brentwood, Tennessee, and NPI 1831308170, issued on May 22, 2007. Check the license (Tennessee 42368, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ryan D. Duncan
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 42368 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1622 Westgate Cir, Brentwood, TN 37027
- Phone
- (629) 255-2231
- Enumerated
- May 22, 2007
- Record last updated
- Feb 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (629) 255-4181
- Medicaid ID
- 1505427 TN
- Medicare enrollment
- Enrolled (PECOS I20071002000527); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 199 in Tennessee → Look up another NPI →
Also registered at 1622 Westgate Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Abbott, DOStudent in an Organized Health Care Education/Training Program1225730831
- Elizabeth Bailes, M.D.Pediatrics Physician1346237138
- Rachel Barker, MDDermatology Physician1487188827
- Kimberly Bergeron, M.D.Allergy Physician1043291370
- Lauren Brooks, MDInternal Medicine Physician1801416987
- Francis Caprio, M.D.Internal Medicine Physician1235196395
Verify Ryan D. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 42368Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average otolaryngology physician in 2024
573 Medicare Part D claims for 215 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 37 claims were for opioids.
Most prescribed
- Ipratropium Bromide103 claims
- Doxycycline Hyclate39 claims
- Mupirocin39 claims
- Amitriptyline Hcl37 claims
- Hydrocodone-Acetaminophen34 claims
- Dexamethasone27 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.
Industry payments in 2024: $922.31
30 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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.
Bills Medicare through one group practice
- Heritage Medical Associates PCNashville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan D. Duncan among 199 otolaryngology physician records in Tennessee
Ryan D. Duncan, MD is one of 199 otolaryngology physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 38% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2002 · median 2004 among the 147 with a school on file
- Record last updated2019 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Tennessee
There are 199 otolaryngology physician records in Tennessee.
All 199 in Tennessee → Every provider in Brentwood → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Wiliam Davis, M.D.Brentwood, TN 370271386011468
- Todd Huber, M.D.Brentwood, TN 370271881781904
- Gregory Mowery, M.D.Brentwood, TN 370271336124874
- Gilbert Brandon, MDClarksville, TN 370431811987050
- Randolph Richards, M.D.Clarksville, TN 370431174637946
- James Roth, M.D.Dickson, TN 370551144227778
- Raymond Demoville, MDGallatin, TN 370661699770016
- Michael Lee, MDGallatin, TN 370661053317685
Common questions
What is Ryan D. Duncan, MD's NPI number?
Ryan D. Duncan, MD's National Provider Identifier (NPI) is 1831308170, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ryan D. Duncan, MD located?
The NPPES record lists a practice address at 1622 Westgate Cir, Brentwood, TN, 37027. Phone: (629) 255-2231. Providers update this record themselves, so call before visiting.
How can I verify Ryan D. Duncan, MD's license?
NPPES lists Tennessee license number 42368, 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 Ryan D. Duncan, MD prescribe under Medicare Part D?
In 2024, Ryan D. Duncan, MD had 573 Medicare Part D claims for 215 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
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.