Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Jeffrey Griesemer, MD

Individual provider Family Medicine Physician · NPI 1851551907

Jeffrey Griesemer, MD is registered under Family Practice in Charleston, Missouri. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2008, 18 years ago. Practices with Missouri Delta Medical Center, a 131-clinician group and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
18
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL, MO
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1403 E Marshall St
Charleston, MO 63834 Not confirmed with CMS for 15 years — call before visiting
Phone: (573) 683-2327
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2011002939 (MO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 125054803 (IL)

Record details

NPI number1851551907
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2008
Last updated in NPPESOctober 22, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Missouri Delta Medical Center — 131 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients462
Services billed 1,548 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $20 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Missouri Delta Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 131 clinicians in the practice; 12 are shown here.

Other providers in Charleston