David C. Geier, M.D.
Emergency Medicine Physician · Keokuk, IA
David C. Geier, M.D. is an emergency medicine physician with a practice address in Keokuk, Iowa, and NPI 1649273913, issued on May 31, 2005. Check the license (Iowa MD-44890, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- David C. Geier
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD-44890 IA
9477 ND
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Morgan St, Keokuk, IA 52632
- Phone
- (319) 524-7150
- Enumerated
- May 31, 2005
- Record last updated
- Jan 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (319) 524-5317
- Medicaid ID
- 12735 ND
- Medicare enrollment
- Enrolled (PECOS I20040209000867); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 509 in Iowa → Look up another NPI →
Also registered at 1600 Morgan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas Dittmer, MDMedical Microbiology Physician1477576692
- Janet Hurt, PTPhysical Therapist1255451472
- Jacob Sung Keum, D.O.Emergency Medical Services (Emergency Medicine) Physician1215998737
- Christina Miller, NPNurse Practitioner1548730286
- Elizabeth Swanson, R.D., L.D.Registered Dietitian1659858397
Verify David C. Geier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-44890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average emergency medicine physician in 2024
70 Medicare Part D claims for 47 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
One hospital affiliation
- Mckenzie County Healthcare Systems IncWilliston, ND · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
David C. Geier among 509 emergency medicine physician records in Iowa
David C. Geier, M.D. is one of 509 emergency medicine physician records with a practice address in Iowa. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2000 · median 2012 among the 231 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Iowa
There are 509 emergency medicine physician records in Iowa.
All 509 in Iowa → Every provider in Keokuk → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Studer, DOMt Pleasant, IA 526411205815297
- Gerald Arnold, MDWest Burlington, IA 526551184606493
- Leo Banwart, PA-CWest Burlington, IA 526551598747891
- Anna Floryanovich, M.D.West Burlington, IA 526551366649584
- Shan Gao, M.D.West Burlington, IA 526551609281088
- Marcus Haustein, MDWest Burlington, IA 526551447741418
- Amanda Johnson, MDBurlington, IA 526551457970030
- Milind Limaye, D.O.West Burlington, IA 526551427282664
Common questions
What is David C. Geier, M.D.'s NPI number?
David C. Geier, M.D.'s National Provider Identifier (NPI) is 1649273913, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David C. Geier, M.D. located?
The NPPES record lists a practice address at 1600 Morgan St, Keokuk, IA, 52632. Phone: (319) 524-7150. Providers update this record themselves, so call before visiting.
How can I verify David C. Geier, M.D.'s license?
NPPES lists Iowa license number MD-44890, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David C. Geier, M.D. prescribe under Medicare Part D?
In 2024, David C. Geier, M.D. had 70 Medicare Part D claims for 47 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.