IndividualActive
Karen Caldwell, MD-PHD
NPI 1407996481 · Rheumatology Physician · Lynn, MA
Karen Caldwell, MD-PHD is a Rheumatology Physician provider in Lynn, MA (NPI 1407996481).
Provider details
- NPI number
- 1407996481
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD-PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 231625 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
269 Union St
Lynn, MA 01901-1314
Phone: (781) 596-2502
Fax: (781) 596-3966
Street-level locationGet directions
Mailing address
694 Western Ave
Lynn, MA 01905-2229
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2015-02-25
Frequently asked questions
- What is Karen Caldwell's NPI number?
- Karen Caldwell's National Provider Identifier (NPI) is 1407996481, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Caldwell's specialty?
- Karen Caldwell is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Caldwell located?
- Karen Caldwell's practice location on file with NPPES is 269 Union St, Lynn, MA 01901-1314.
- What is Karen Caldwell's phone number?
- The practice phone number listed in the NPPES registry for Karen Caldwell is (781) 596-2502.
- Is Karen Caldwell's NPI active?
- Yes — Karen Caldwell's NPI (1407996481) is active in the NPPES registry as of the last update on 2015-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.