Michael C. Diaz, M.D.
Gastroenterology Physician · Hendersonville, TN
Michael C. Diaz, M.D. is a gastroenterology physician with a practice address in Hendersonville, Tennessee, and NPI 1427040021, issued on Aug 19, 2005. Check the license (Tennessee MD16303, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael C. Diaz
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD16303 TN
Self-reported in NPPES; status is on the state search - Practice location
- 105 Glen Oak Blvd, Hendersonville, TN 37075
- Phone
- (615) 822-6716
- Enumerated
- Aug 19, 2005
- Record last updated
- Apr 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (615) 822-9805
- Medicaid ID
- 3014073 TN
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Also registered at 105 Glen Oak Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Carmack, M.D.Internal Medicine Physician1245213909
- Crystal Hudson, NPFamily Nurse Practitioner1558723270
- Jennifer Perdue, M.S.N.Family Nurse Practitioner1083890719
- William Smith, M.D.Specialist1871559278
- Lauren Webb, FNPFamily Nurse Practitioner1811330574
Verify Michael C. Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD16303Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average gastroenterology physician in 2024
367 Medicare Part D claims for 139 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Omeprazole117 claims
- Pantoprazole Sodium53 claims
- Linzess16 claims
- Esomeprazole Magnesium15 claims
- Diphenoxylate-Atropine13 claims
- Famotidine12 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.
Michael C. Diaz among 384 gastroenterology physician records in Tennessee
Michael C. Diaz, M.D. is one of 384 gastroenterology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 74% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Tennessee
There are 384 gastroenterology physician records in Tennessee.
All 384 in Tennessee → Every provider in Hendersonville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- James Gillespie, M.D.Hendersonville, TN 370751952433435
- Scott Hande, MDHendersonville, TN 370751083665962
- Randy Howard, M.D.Hendersonville, TN 370751952386401
- Lucie Calderon, MDHermitage, TN 370761730649104
- Aswathi Chandran, MDHermitage, TN 370761578948956
- Kevin Finnegan, MDHermitage, TN 370761811044787
- Jocelyne Miller, MDHermitage, TN 370761730241084
- Sushil Patil, MDHermitage, TN 370761821095738
Common questions
What is Michael C. Diaz, M.D.'s NPI number?
Michael C. Diaz, M.D.'s National Provider Identifier (NPI) is 1427040021, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael C. Diaz, M.D. located?
The NPPES record lists a practice address at 105 Glen Oak Blvd, Hendersonville, TN, 37075. Phone: (615) 822-6716. Providers update this record themselves, so call before visiting.
How can I verify Michael C. Diaz, M.D.'s license?
NPPES lists Tennessee license number MD16303, 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 Michael C. Diaz, M.D. prescribe under Medicare Part D?
In 2024, Michael C. Diaz, M.D. had 367 Medicare Part D claims for 139 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.