Gregory V. West, MD
Internal Medicine Physician · Springfield, MO
Gregory V. West, MD is an internal medicine physician with a practice address in Springfield, Missouri, and NPI 1942368840, issued on Dec 4, 2006. Check the license (Missouri 116239, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gregory V. West
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 116239 MO
Self-reported in NPPES; status is on the state search - Practice location
- 960 E. Walnut Lawn Street, Springfield, MO 65807
- Phone
- (417) 269-4450
- Enumerated
- Dec 4, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (417) 269-8333
- Medicaid ID
- 209988336 MO
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 960 E. Walnut Lawn Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ana Rivas Mejia, MDEndocrinology, Diabetes & Metabolism Physician1275898017
Verify Gregory V. West 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 116239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
334 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate22 claims
- Metformin Hcl Er17 claims
- Potassium Chloride17 claims
- Atorvastatin Calcium15 claims
- Tamsulosin Hcl15 claims
- Lisinopril13 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.
Gregory V. West among 2,604 internal medicine physician records in Missouri
Gregory V. West, MD 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 updated2022 · 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).
135 internal medicine physician records list a practice address in Springfield
They are 135 of the 6,403 NPPES records with a practice address in Springfield, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Baird, DOSpringfield, MO 658071194798512
- Gigi Baker, MDSpringfield, MO 658071184666117
- John Caster, MDSpringfield, MO 658071902849854
- John Dexter, MDSpringfield, MO 658071205805538
- Stephen Holmes, MDSpringfield, MO 658071831132240
- Frederick Lobati, M.D.Springfield, MO 658071306823273
- William Moore, MDSpringfield, MO 658071700829819
- Lisa Pham, M.D.Springfield, MO 658071275502379
Common questions
What is Gregory V. West, MD's NPI number?
Gregory V. West, MD's National Provider Identifier (NPI) is 1942368840, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory V. West, MD located?
The NPPES record lists a practice address at 960 E. Walnut Lawn Street, Springfield, MO, 65807. Phone: (417) 269-4450. Providers update this record themselves, so call before visiting.
How can I verify Gregory V. West, MD's license?
NPPES lists Missouri license number 116239, 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 Gregory V. West, MD prescribe under Medicare Part D?
In 2024, Gregory V. West, MD had 334 Medicare Part D claims for 38 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.