John M. Byrnes, M.D.
Internal Medicine Physician · Smyrna, TN
John M. Byrnes, M.D. is an internal medicine physician with a practice address in Smyrna, Tennessee, and NPI 1700846334, issued on Mar 27, 2006. Check the license (Tennessee MD16149, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John M. Byrnes
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD16149 TN
Self-reported in NPPES; status is on the state search - Practice location
- 115 Enon Springs RD E, Smyrna, TN 37167
- Phone
- (615) 459-0005
- Enumerated
- Mar 27, 2006
- Record last updated
- Jun 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (615) 459-5222
- Medicaid ID
- 3012369 TN
- Medicare enrollment
- Enrolled (PECOS I20100521000006); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 115 Enon Springs RD E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob KnightFamily Nurse Practitioner1447739891
- Julie Ludwig, NURSE PRACTITIONERFamily Nurse Practitioner1104052588
- Gary Schwartz, M.D.Internal Medicine Physician1780694752
Verify John M. Byrnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD16149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average internal medicine physician in 2024
4,143 Medicare Part D claims for 257 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 64 claims were for opioids.
Most prescribed
- Levothyroxine Sodium355 claims
- Omeprazole212 claims
- Amlodipine Besylate170 claims
- Simvastatin148 claims
- Buprenorphine-Naloxone126 claims
- Lisinopril110 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: $385.99
18 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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 M. Byrnes among 2,596 internal medicine physician records in Tennessee
John M. Byrnes, M.D. is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 46% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1981 · median 2003 among the 1,705 with a school on file
- Record last updated2010 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Smyrna
They are 23 of the 1,069 NPPES records with a practice address in Smyrna, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Smyrna → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Olawumi Ayo Akatue, MDSmyrna, TN 371671831274117
- Douglas Beatty, M.D.Smyrna, TN 371671053394916
- Suzanne Fletcher, MDSmyrna, TN 371671417032335
- Richard Garvin, MDSmyrna, TN 371671679521058
- Karen Hunt, MDSmyrna, TN 371671174579981
- Douglas Jones, DDSSmyrna, TN 371671720176829
- Joshua McCollum, MDSmyrna, TN 371671942299359
- Ukpong Nwankwo, M.D.Smyrna, TN 371671518914050
Common questions
What is John M. Byrnes, M.D.'s NPI number?
John M. Byrnes, M.D.'s National Provider Identifier (NPI) is 1700846334, issued on Mar 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Byrnes, M.D. located?
The NPPES record lists a practice address at 115 Enon Springs RD E, Smyrna, TN, 37167. Phone: (615) 459-0005. Providers update this record themselves, so call before visiting.
How can I verify John M. Byrnes, M.D.'s license?
NPPES lists Tennessee license number MD16149, 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 M. Byrnes, M.D. prescribe under Medicare Part D?
In 2024, John M. Byrnes, M.D. had 4,143 Medicare Part D claims for 257 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.