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Sidney Christiansen, MD
NPI 1942264551 · Otolaryngology Physician · Columbia, MO
Sidney Christiansen, MD is a Otolaryngology Physician provider in Columbia, MO (NPI 1942264551).
Provider details
- NPI number
- 1942264551
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R8683 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
812 Keene St
Columbia, MO 65201-6633
Phone: (573) 817-3000
Fax: (573) 876-6950
Street-level locationGet directions
Mailing address
Po Box 7687
Columbia, MO 65205-7687
Registry dates
- Enumerated
- 2006-04-12
- Last updated
- 2011-06-09
Frequently asked questions
- What is Sidney Christiansen's NPI number?
- Sidney Christiansen's National Provider Identifier (NPI) is 1942264551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sidney Christiansen's specialty?
- Sidney Christiansen is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Sidney Christiansen located?
- Sidney Christiansen's practice location on file with NPPES is 812 Keene St, Columbia, MO 65201-6633.
- What is Sidney Christiansen's phone number?
- The practice phone number listed in the NPPES registry for Sidney Christiansen is (573) 817-3000.
- Is Sidney Christiansen's NPI active?
- Yes — Sidney Christiansen's NPI (1942264551) is active in the NPPES registry as of the last update on 2011-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.