Sidney George Christiansen, MD
Otolaryngology Physician · Columbia, MO
Sidney George Christiansen, MD is an otolaryngology physician with a practice address in Columbia, Missouri, and NPI 1942264551, issued on Apr 12, 2006. Check the license (Missouri R8683, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sidney George Christiansen
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- R8683 MO
Self-reported in NPPES; status is on the state search - Practice location
- 812 Keene St, Columbia, MO 65201
- Phone
- (573) 817-3000
- Enumerated
- Apr 12, 2006
- Record last updated
- Jun 9, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (573) 876-6950
- Medicaid ID
- 201090024 MO
- Entity
- Type 1 · individual
Also registered at 812 Keene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alvis Barrier, MDOtolaryngology Physician1760436307
- Christina Sanderson, AUDIOLOGISTAudiologist1336379676
Verify Sidney George Christiansen 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 R8683Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Otolaryngology Physician providers in Missouri
There are 253 otolaryngology physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other otolaryngology physician records in Missouri
- Mueed Ahmad, M.D.Saint Louis, MO1841329661
- Edgar Ailor, M.D.Columbia, MO1710130711
- Bushra Ajaz, MSCCC-ASaint Louis, MO1588994321
- Deepthi Akella, DOColumbia, MO1023906864
- Ryan Akin, MDJefferson City, MO1437738861
- Maha Al Gilani, MDSaint Louis, MO1255680369
- Allan Allphin, MDSpringfield, MO1538246723
- Jastin Antisdel, MDSaint Louis, MO1073714564
- Sean Bailey, M.D.Kirkwood, MO1013908714
- Hallie Baker, D.O.Joplin, MO1700228483
Common questions
What is Sidney George Christiansen, MD's NPI number?
Sidney George Christiansen, MD's National Provider Identifier (NPI) is 1942264551, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sidney George Christiansen, MD located?
The NPPES record lists a practice address at 812 Keene St, Columbia, MO, 65201. Phone: (573) 817-3000. Providers update this record themselves, so call before visiting.
How can I verify Sidney George Christiansen, MD's license?
NPPES lists Missouri license number R8683, 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.
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.