IndividualActive
Elizabeth Karlson, MD
NPI 1548228075 · Rheumatology Physician · Boston, MA
Elizabeth Karlson, MD is a Rheumatology Physician provider in Boston, MA (NPI 1548228075).
Provider details
- NPI number
- 1548228075
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 72587 (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
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
75 Francis Street
Brigham and Womens Hospital
Boston, MA 02115
Phone: (617) 732-5325
Street-level locationGet directions
Mailing address
111 Cypress St
Brookline, MA 02445
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2012-07-23
Frequently asked questions
- What is Elizabeth Karlson's NPI number?
- Elizabeth Karlson's National Provider Identifier (NPI) is 1548228075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Karlson's specialty?
- Elizabeth Karlson is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Karlson located?
- Elizabeth Karlson's practice location on file with NPPES is 75 Francis Street, Boston, MA 02115.
- What is Elizabeth Karlson's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Karlson is (617) 732-5325.
- Is Elizabeth Karlson's NPI active?
- Yes — Elizabeth Karlson's NPI (1548228075) is active in the NPPES registry as of the last update on 2012-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.