Michael D. Underwood, M.D.
Interventional Cardiology Physician · Knoxville, TN
Michael D. Underwood, M.D. is an interventional cardiology physician with a practice address in Knoxville, Tennessee, and NPI 1053376236, issued on Apr 19, 2006. Check the license (Tennessee MD8549, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael D. Underwood
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- MD8549 TN
Self-reported in NPPES; status is on the state search - Practice location
- 10810 Parkside Dr, Knoxville, TN 37934
- Phone
- (865) 690-9475
- Enumerated
- Apr 19, 2006
- Record last updated
- Jul 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (865) 690-2033
- Medicaid ID
- 3170607 TN
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 215 in Tennessee → Look up another NPI →
Also registered at 10810 Parkside Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diana Anderson, PA-CPhysician Assistant1639315690
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- Morris Barocas, M.D.Gastroenterology Physician1801865043
- Sherril Boozer, RN, MSN, APN, FNP-BCFamily Nurse Practitioner1851331540
- Abigail Bottomley, N.P.Family Nurse Practitioner1538618988
Verify Michael D. Underwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD8549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
59 Medicare Part D claims, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D.
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 D. Underwood among 215 interventional cardiology physician records in Tennessee
Michael D. Underwood, M.D. is one of 215 interventional cardiology physician records with a practice address in Tennessee. 95% 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 22% of them.
- NPI issued2006 · 22% of these records are older, 50% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileNo · 87% of these records are
- Record last updated2013 · 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 207RI0011X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Tennessee
There are 215 interventional cardiology physician records in Tennessee.
All 215 in Tennessee → Every provider in Knoxville → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Harry Bishop, M.D.Knoxville, TN 379341083601629
- Hunter Daniels, DOKnoxville, TN 379341215424643
- Clint Doiron, M.D.Knoxville, TN 379341972593663
- Malcolm Foster, M.D.Knoxville, TN 379341861482556
- Rachel Goodwin, DOKnoxville, TN 379341295266294
- Ravi Mehta, M.D.Knoxville, TN 379341669462230
- Barry Michelson, M.D.Knoxville, TN 379341538159017
- Steven Reed, M.D.Knoxville, TN 379341669462834
Common questions
What is Michael D. Underwood, M.D.'s NPI number?
Michael D. Underwood, M.D.'s National Provider Identifier (NPI) is 1053376236, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael D. Underwood, M.D. located?
The NPPES record lists a practice address at 10810 Parkside Dr, Knoxville, TN, 37934. Phone: (865) 690-9475. Providers update this record themselves, so call before visiting.
How can I verify Michael D. Underwood, M.D.'s license?
NPPES lists Tennessee license number MD8549, 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 D. Underwood, M.D. prescribe under Medicare Part D?
In 2024, Michael D. Underwood, M.D. had 59 Medicare Part D claims; the average among interventional cardiology physician prescribers was 3,179. 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.