Michael William Nash, M.D.
Family Medicine Physician · Saint Louis, MO
Michael William Nash, M.D. is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1376577825, issued on Jul 10, 2006. Check the license (Missouri 2017029652, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Michael William Nash
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 2017029652 MO
036-115521 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3637 S Geyer RD, Saint Louis, MO 63127
- Phone
- (314) 525-1887
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 21, 2026
- Fax
- (314) 525-1868
- Medicare enrollment
- Enrolled (PECOS I20170907000777); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 3637 S Geyer RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chisom Eze, MDInternal Medicine Physician1821527649
- Ming Hao, M.D.Geriatric Medicine (Family Medicine) Physician1861607640
Verify Michael William Nash 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 2017029652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,812 Medicare Part D claims for 318 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 214 claims were for opioids.
Most prescribed
- Atorvastatin Calcium507 claims
- Amlodipine Besylate323 claims
- Levothyroxine Sodium306 claims
- Furosemide304 claims
- Gabapentin280 claims
- Trazodone Hcl259 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 one group practice
- Mercy Clinic East CommunitiesWashington, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael William Nash among 2,991 family medicine physician records in Missouri
Michael William Nash, M.D. is one of 2,991 family medicine physician records with a practice address in Missouri. 79% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2006 among the 1,778 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Missouri
There are 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Saint Louis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Emily Doucette, M.D.Saint Louis, MO 631271487940078
- Kemdi Egekeze, MDSaint Louis, MO 631271609452085
- Jack Galbraith, MDSaint Louis, MO 631271649373440
- Dana Galbraith, M.D.Saint Louis, MO 631271750589263
- Sarah Gebauer, MDSaint Louis, MO 631271225392087
- Dina Helina Fleming, DOSaint Louis, MO 631271053938217
- Priyanka Krishnan, MDSaint Louis, MO 631271700413150
- Kenneth Lee, DOSaint Louis, MO 631271063040574
Common questions
What is Michael William Nash, M.D.'s NPI number?
Michael William Nash, M.D.'s National Provider Identifier (NPI) is 1376577825, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael William Nash, M.D. located?
The NPPES record lists a practice address at 3637 S Geyer RD, Saint Louis, MO, 63127. Phone: (314) 525-1887. Providers update this record themselves, so call before visiting.
How can I verify Michael William Nash, M.D.'s license?
NPPES lists Missouri license number 2017029652, 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 Michael William Nash, M.D. prescribe under Medicare Part D?
In 2024, Michael William Nash, M.D. had 8,812 Medicare Part D claims for 318 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.