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Thomas Chalmers, MD
NPI 1407807423 · Anesthesiology Physician · Boulder, CO
Thomas Chalmers, MD is a Anesthesiology Physician provider in Boulder, CO (NPI 1407807423).
Provider details
- NPI number
- 1407807423
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 29095 (CO)
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
1100 Balsam Ave
Boulder, CO 80304-3404
Phone: (303) 440-2273
Street-level locationGet directions
Mailing address
Po Box 668
Arvada, CO 80001-0668
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2015-03-16
Frequently asked questions
- What is Thomas Chalmers's NPI number?
- Thomas Chalmers's National Provider Identifier (NPI) is 1407807423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Chalmers's specialty?
- Thomas Chalmers is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Chalmers located?
- Thomas Chalmers's practice location on file with NPPES is 1100 Balsam Ave, Boulder, CO 80304-3404.
- What is Thomas Chalmers's phone number?
- The practice phone number listed in the NPPES registry for Thomas Chalmers is (303) 440-2273.
- Is Thomas Chalmers's NPI active?
- Yes — Thomas Chalmers's NPI (1407807423) is active in the NPPES registry as of the last update on 2015-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.