William Choi, MD, PHD
NPI 1861923658 · Medical Biochemical Genetics · Boston, MA
William Choi, MD, PHD is a Medical Biochemical Genetics provider in Boston, MA (NPI 1861923658).
Provider details
- NPI number
- 1861923658
- Entity type
- Individual
- Primary specialty
- Medical Biochemical GeneticsAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 286339 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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)
- 330 Brookline Ave # 3Boston, MA 02215-5400Phone: (832) 330-2987
Registry dates
- Enumerated
- 2017-03-23
- Last updated
- 2024-08-29
- Certified
- 2024-08-29
Frequently asked questions
- What is William Choi's NPI number?
- William Choi's National Provider Identifier (NPI) is 1861923658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Choi's specialty?
- William Choi is listed in the NPPES registry with a primary specialty of Medical Biochemical Genetics (Allopathic & Osteopathic Physicians).
- Where is William Choi located?
- William Choi's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is William Choi's phone number?
- The practice phone number listed in the NPPES registry for William Choi is (617) 355-6000.
- Is William Choi's NPI active?
- Yes — William Choi's NPI (1861923658) is active in the NPPES registry as of the last update on 2024-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.