Gerald Irvin Geiszler, M.D.
Emergency Medicine Physician · Great Falls, MT
Gerald Irvin Geiszler, M.D. is an emergency medicine physician with a practice address in Great Falls, Montana, and NPI 1841344132, issued on Jan 23, 2007. Check the license (Montana 4282, as entered in NPPES) on the Montana Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gerald Irvin Geiszler
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 4282 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1101 26TH St S, Great Falls, MT 59405
- Phone
- (406) 761-6383
- Enumerated
- Jan 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1101 26TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joie Abner, DOEmergency Medicine Physician1881036119
- Michael Adams, MDEmergency Medicine Physician1770576555
- Graig Aders, M.D.Psychiatry Physician1265758734
- Khansa AliStudent in an Organized Health Care Education/Training Program1497632277
- Jeffrey Allen, CRNACertified Registered Nurse Anesthetist1245256916
- Batool Alnahar, MBBSStudent in an Organized Health Care Education/Training Program1447137310
Verify Gerald Irvin Geiszler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 4282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29 emergency medicine physician records list a practice address in Great Falls
They are 29 of the 1,798 NPPES records with a practice address in Great Falls, and 243 emergency medicine physician records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 29 in Great Falls → All 243 in Montana → Every provider in Great Falls →
Other emergency medicine physician records in Montana
- Joie Abner, DOGreat Falls, MT1881036119
- Stephanie Abraham, M.D.Bozeman, MT1306135785
- Barrett Adams, M.DAnaconda, MT1043365067
- Michael Adams, MDGreat Falls, MT1770576555
- Clinton Adkins, DOHamilton, MT1245283282
- Charles Allen, DOBig Sky, MT1174609432
- Nathan Allen, M.D.Billings, MT1356676878
- Casey Ambrose, MDMissoula, MT1669892576
- Ty Anderson, MDBillings, MT1043889033
- Phillip Anuta, DORonan, MT1396308789
Common questions
What is Gerald Irvin Geiszler, M.D.'s NPI number?
Gerald Irvin Geiszler, M.D.'s National Provider Identifier (NPI) is 1841344132, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gerald Irvin Geiszler, M.D. located?
The NPPES record lists a practice address at 1101 26TH St S, Great Falls, MT, 59405. Phone: (406) 761-6383. Providers update this record themselves, so call before visiting.
How can I verify Gerald Irvin Geiszler, M.D.'s license?
NPPES lists Montana license number 4282, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.