Colby Gray, D.O.
NPI 1326428509 · Anesthesiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colby Gray, D.O. is a Anesthesiology Physician provider in Boston, MA (NPI 1326428509).
Provider details
- NPI number
- 1326428509
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 1013031 (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
11 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
Mailing address
Registry dates
- Enumerated
- 2015-06-03
- Last updated
- 2025-10-20
- Certified
- 2025-10-20
Frequently asked questions
- What is Colby Gray's NPI number?
- Colby Gray's National Provider Identifier (NPI) is 1326428509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colby Gray's specialty?
- Colby Gray is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Colby Gray located?
- Colby Gray's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Colby Gray's phone number?
- The practice phone number listed in the NPPES registry for Colby Gray is (617) 732-8210.
- Does Colby Gray accept Medicare?
- Colby Gray is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colby Gray's NPI active?
- Yes — Colby Gray's NPI (1326428509) is active in the NPPES registry as of the last update on 2025-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.