What is Jason Cai's NPI number?

Jason Cai's National Provider Identifier (NPI) is 1689250359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jason Cai's specialty?

Jason Cai is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).

Where is Jason Cai located?

Jason Cai's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2696.

What is Jason Cai's phone number?

The practice phone number listed in the NPPES registry for Jason Cai is (617) 724-9729.

Is Jason Cai's NPI active?

Yes — Jason Cai's NPI (1689250359) is active in the NPPES registry as of the last update on 2026-05-19.

IndividualActive

Jason Cai, MD

NPI 1689250359 · Diagnostic Radiology Physician · Boston, MA

Jason Cai, MD is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1689250359).

Provider details

NPI number: 1689250359
Entity type: Individual
Primary specialty: Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 1026027 (MA)

Specialties & taxonomies

Diagnostic Radiology PhysicianPrimary2085R0202XLicense 1026027 (MA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(62/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
5 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

55 Fruit St

Boston, MA 02114-2696

Phone: (617) 724-9729

Street-level locationGet directions

More MA providers

Mailing address