Thomas Plynn Davis, M.D.
Internal Medicine Physician · Marshfield, MO
Thomas Plynn Davis, M.D. is an internal medicine physician with a practice address in Marshfield, Missouri, and NPI 1437166006, issued on Aug 3, 2006. Check the license (Missouri R8593, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Thomas Plynn Davis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R8593 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1240 Banning St, Marshfield, MO 65706
- Phone
- (417) 468-1963
- Enumerated
- Aug 3, 2006
- Record last updated
- Dec 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (417) 468-2736
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 1240 Banning St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Plynn Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R8593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
106 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium15 claims
- Lisinopril13 claims
- Tamsulosin Hcl11 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.
Thomas Plynn Davis among 2,604 internal medicine physician records in Missouri
Thomas Plynn Davis, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% 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 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 internal medicine physician record lists a practice address in Marshfield
They are 1 of the 104 NPPES records with a practice address in Marshfield, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Marshfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sergio Cruz, M.D.Monett, MO 657081952326860
- Steve Drew, D.O.Monett, MO 657081356408090
- Rolando Dy, M.D.Mount Vernon, MO 657121396759734
- Frederick Husted, M.D.Mount Vernon, MO 657121255348827
- Ricky Kime, M.D.Mount Venon, MO 657121477567030
- Mary Ann Kit, MDMount Vernon, MO 657121740297324
- Myo Win, M.DMount Vernon, MO 657121053321653
- Kristin Griffin, MDNixa, MO 657141982770608
Common questions
What is Thomas Plynn Davis, M.D.'s NPI number?
Thomas Plynn Davis, M.D.'s National Provider Identifier (NPI) is 1437166006, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Plynn Davis, M.D. located?
The NPPES record lists a practice address at 1240 Banning St, Marshfield, MO, 65706. Phone: (417) 468-1963. Providers update this record themselves, so call before visiting.
How can I verify Thomas Plynn Davis, M.D.'s license?
NPPES lists Missouri license number R8593, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Plynn Davis, M.D. prescribe under Medicare Part D?
In 2024, Thomas Plynn Davis, M.D. had 106 Medicare Part D claims for 22 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.