Gregory M. Heidel, MD
Emergency Medicine Physician · Knoxville, TN
Gregory M. Heidel, MD is an emergency medicine physician with a practice address in Knoxville, Tennessee, and NPI 1710564364, issued on Mar 28, 2021. Check the license on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory M. Heidel
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 45635 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1924 Alcoa Hwy, Knoxville, TN 37920
- Phone
- (865) 305-9000
- Enumerated
- Mar 28, 2021
- Record last updated
- Jul 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20240918001044); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,174 in Tennessee → Look up another NPI →
Also registered at 1924 Alcoa Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Adams, M.DAnesthesiology Physician1043211782
- Lally Adams, M.D.Anesthesiology Physician1093962003
- Anna AddisonStudent in an Organized Health Care Education/Training Program1053233346
Verify Gregory M. Heidel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average emergency medicine physician in 2024
95 Medicare Part D claims for 62 beneficiaries, against an average of 226 among the 54,106 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.
Bills Medicare through one group practice
- Southeastern Emergency Physicians LLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory M. Heidel among 1,174 emergency medicine physician records in Tennessee
Gregory M. Heidel, MD is one of 1,174 emergency medicine 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 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2021 · median 2012 among the 667 with a school on file
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Tennessee
There are 1,174 emergency medicine physician records in Tennessee.
All 1,174 in Tennessee → Every provider in Knoxville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ralph Brooks, M.D.Knoxville, TN 379201891720736
- Roger Brooksbank, M.D.Knoxville, TN 379201932134889
- Matthew Frederick, D.O.Knoxville, TN 379201144404526
- Erik Geibig, M.D.Knoxville, TN 379201578626065
- Douglas Holland, M.D.Knoxville, TN 379201184787855
- Gary Hurt, M.D.Knoxville, TN 379201194768085
- David Linn, M.D.Knoxville, TN 379201306871264
- Jonathan Martin, MDKnoxville, TN 379201881672558
Common questions
What is Gregory M. Heidel, MD's NPI number?
Gregory M. Heidel, MD's National Provider Identifier (NPI) is 1710564364, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Gregory M. Heidel, MD located?
The NPPES record lists a practice address at 1924 Alcoa Hwy, Knoxville, TN, 37920. Phone: (865) 305-9000. Providers update this record themselves, so call before visiting.
How can I verify Gregory M. Heidel, MD's license?
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 Gregory M. Heidel, MD prescribe under Medicare Part D?
In 2024, Gregory M. Heidel, MD had 95 Medicare Part D claims for 62 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.