John Alan Zimmerschied, M.D.
Internal Medicine Physician · Columbia, MO
John Alan Zimmerschied, M.D. is an internal medicine physician with a practice address in Columbia, Missouri, and NPI 1073570735, issued on Apr 27, 2006. Check the license (Missouri 101559, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- John Alan Zimmerschied
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 101559 MO
Self-reported in NPPES; status is on the state search - Practice location
- 800 Hospital Dr, Columbia, MO 65201
- Phone
- (573) 814-6000
- Enumerated
- Apr 27, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (573) 814-6671
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Alan Zimmerschied 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 101559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
215 Medicare Part D claims for 27 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium22 claims
- Lisinopril20 claims
- Metoprolol Tartrate14 claims
- Omeprazole12 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.
John Alan Zimmerschied among 2,604 internal medicine physician records in Missouri
John Alan Zimmerschied, 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 updated2026 · 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).
213 internal medicine physician records list a practice address in Columbia
They are 213 of the 6,004 NPPES records with a practice address in Columbia, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Columbia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Brocksmith, D.O.Columbia, MO 652011922061373
- Thomas Ciolino, MDColumbia, MO 652011518924646
- Lynn Keplinger, M.D.Columbia, MO 652011184687311
- Damascene Kurukulasuriya, MDColumbia, MO 652011578526497
- Myo Lwin, M.D.Columbia, MO 652011457310021
- Carlos Sanchez, M.D.Columbia, MO 652011578528758
- Raymond Schondelmeyer, MDColumbia, MO 652011801895032
- Lyndell Scoles, MDColumbia, MO 652011689676231
Common questions
What is John Alan Zimmerschied, M.D.'s NPI number?
John Alan Zimmerschied, M.D.'s National Provider Identifier (NPI) is 1073570735, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Alan Zimmerschied, M.D. located?
The NPPES record lists a practice address at 800 Hospital Dr, Columbia, MO, 65201. Phone: (573) 814-6000. Providers update this record themselves, so call before visiting.
How can I verify John Alan Zimmerschied, M.D.'s license?
NPPES lists Missouri license number 101559, 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 John Alan Zimmerschied, M.D. prescribe under Medicare Part D?
In 2024, John Alan Zimmerschied, M.D. had 215 Medicare Part D claims for 27 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.