Mark A. Muiznieks, MD
Emergency Medicine Physician · Clarksville, TN
Mark A. Muiznieks, MD is an emergency medicine physician with a practice address in Clarksville, Tennessee, and NPI 1174570014, issued on May 27, 2006. Check the license (Tennessee 40646, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark A. Muiznieks
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 40646 TN
Self-reported in NPPES; status is on the state search - Practice location
- 651 Dunlop Lane Clarksville, Clarksville, TN 37040
- Phone
- (931) 502-1370
- Enumerated
- May 27, 2006
- Record last updated
- Aug 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 3831915 TN
- Medicare enrollment
- Enrolled (PECOS I20070327000405); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,174 in Tennessee → Look up another NPI →
Verify Mark A. Muiznieks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 40646Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average emergency medicine physician in 2024
175 Medicare Part D claims for 121 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 35 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen30 claims
- Prednisone18 claims
- Azithromycin12 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.
Bills Medicare through 4 group practices
- Eagle Creek Emergency Group, PCParis, TN
- Emergency Medicine Services OF TN, PCChattanooga, TN
- Fep OF Kentucky LLCHopkinsville, KY
- Hardin Emergency Group LLCSavannah, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Muiznieks among 1,174 emergency medicine physician records in Tennessee
Mark A. Muiznieks, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2003 · median 2012 among the 667 with a school on file
- Record last updated2011 · 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).
33 emergency medicine physician records list a practice address in Clarksville
They are 33 of the 3,514 NPPES records with a practice address in Clarksville, and 1,174 emergency medicine physician records in Tennessee.
All 1,174 in Tennessee → Every provider in Clarksville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Darcey Crawford, MDClarksville, TN 370401841247988
- Randall Ellis, M.D.Clarksville, TN 370401396784138
- Troy Harris, MDClarksville, TN 370401841234432
- Sanford Herman, M.D.Clarksville, TN 370401619941200
- Jackie Hinds, M.D.Clarksville, TN 370401346277324
- Stephen Kent, M.D.Clarksville, TN 370401346295425
- Manickam Krishnamurthy, MDClarksville, TN 370401134175987
- Randle Likes, DOClarksville, TN 370401477500445
Common questions
What is Mark A. Muiznieks, MD's NPI number?
Mark A. Muiznieks, MD's National Provider Identifier (NPI) is 1174570014, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Muiznieks, MD located?
The NPPES record lists a practice address at 651 Dunlop Lane Clarksville, Clarksville, TN, 37040. Phone: (931) 502-1370. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Muiznieks, MD's license?
NPPES lists Tennessee license number 40646, 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 Mark A. Muiznieks, MD prescribe under Medicare Part D?
In 2024, Mark A. Muiznieks, MD had 175 Medicare Part D claims for 121 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.