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Carl Nielsen, MD
NPI 1619994142 · Anesthesiology Physician · Saint Louis, MO
Carl Nielsen, MD is a Anesthesiology Physician provider in Saint Louis, MO (NPI 1619994142).
Provider details
- NPI number
- 1619994142
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R7D91 (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
19 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
1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110-1003
Phone: (314) 362-6973
Fax: (314) 362-1185
Approximate (ZIP-level) locationGet directions
Mailing address
660 S Euclid Ave
Saint Louis, MO 63110-1010
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2016-11-14
Frequently asked questions
- What is Carl Nielsen's NPI number?
- Carl Nielsen's National Provider Identifier (NPI) is 1619994142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Nielsen's specialty?
- Carl Nielsen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Carl Nielsen located?
- Carl Nielsen's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Carl Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Carl Nielsen is (314) 362-6973.
- Is Carl Nielsen's NPI active?
- Yes — Carl Nielsen's NPI (1619994142) is active in the NPPES registry as of the last update on 2016-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.