IndividualActive
Karl Kelsey, MD
NPI 1588772818 · Occupational Medicine Physician · Boston, MA
Karl Kelsey, MD is a Occupational Medicine Physician provider in Boston, MA (NPI 1588772818).
Provider details
- NPI number
- 1588772818
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 52380 (MA)
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
15 Francis St Pbb Lobby
Brigham and Womens Hospital Center for Chest Diseases
Boston, MA 02115
Phone: (617) 732-6770
Street-level locationGet directions
Mailing address
665 Huntington Ave
Boston, MA 02115
Registry dates
- Enumerated
- 2006-08-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karl Kelsey's NPI number?
- Karl Kelsey's National Provider Identifier (NPI) is 1588772818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Kelsey's specialty?
- Karl Kelsey is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Kelsey located?
- Karl Kelsey's practice location on file with NPPES is 15 Francis St Pbb Lobby, Boston, MA 02115.
- What is Karl Kelsey's phone number?
- The practice phone number listed in the NPPES registry for Karl Kelsey is (617) 732-6770.
- Is Karl Kelsey's NPI active?
- Yes — Karl Kelsey's NPI (1588772818) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.