Grace Callahan, MD
NPI 1528760592 · Student in an Organized Health Care Education/Training Program · Boston, MA
Grace Callahan, MD is a Student in an Organized Health Care Education/Training Program provider in Boston, MA (NPI 1528760592).
Provider details
- NPI number
- 1528760592
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 2220 N Druid Hills Rd NeAtlanta, GA 30329-3117Phone: (404) 785-5437
Registry dates
- Enumerated
- 2023-03-21
- Last updated
- 2026-04-05
- Certified
- 2026-04-05
Frequently asked questions
- What is Grace Callahan's NPI number?
- Grace Callahan's National Provider Identifier (NPI) is 1528760592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Callahan's specialty?
- Grace Callahan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Grace Callahan located?
- Grace Callahan's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Grace Callahan's phone number?
- The practice phone number listed in the NPPES registry for Grace Callahan is (404) 375-7393.
- Is Grace Callahan's NPI active?
- Yes — Grace Callahan's NPI (1528760592) is active in the NPPES registry as of the last update on 2026-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.