Geoffrey Smith, MD/PHD
NPI 1396204665 · Pediatric Hematology & Oncology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geoffrey Smith, MD/PHD is a Pediatric Hematology & Oncology Physician provider in Boston, MA (NPI 1396204665).
Provider details
- NPI number
- 1396204665
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD/PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 291914 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% 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)
- 300 Longwood AveBoston, MA 02115-5724Phone: (617) 355-6000
Registry dates
- Enumerated
- 2019-03-17
- Last updated
- 2025-05-13
- Certified
- 2025-05-13
Frequently asked questions
- What is Geoffrey Smith's NPI number?
- Geoffrey Smith's National Provider Identifier (NPI) is 1396204665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Smith's specialty?
- Geoffrey Smith is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Geoffrey Smith located?
- Geoffrey Smith's practice location on file with NPPES is 450 Brookline Ave, Boston, MA 02215-5450.
- What is Geoffrey Smith's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Smith is (617) 632-3270.
- Does Geoffrey Smith accept Medicare?
- Geoffrey Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geoffrey Smith's NPI active?
- Yes — Geoffrey Smith's NPI (1396204665) is active in the NPPES registry as of the last update on 2025-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.