What is James Diao's NPI number?

James Diao's National Provider Identifier (NPI) is 1891548731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Diao's specialty?

James Diao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is James Diao located?

James Diao's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6106.

What is James Diao's phone number?

The practice phone number listed in the NPPES registry for James Diao is (617) 732-5500.

Is James Diao's NPI active?

Yes — James Diao's NPI (1891548731) is active in the NPPES registry as of the last update on 2024-08-24.

IndividualActive

James Diao, MD

NPI 1891548731 · Internal Medicine Physician · Boston, MA

James Diao, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1891548731).

Provider details

NPI number: 1891548731
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 3017348 (MA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 3017348 (MA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(57/100 index)

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

Registry tenure38% of score
2 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

75 Francis St

Boston, MA 02115-6106

Phone: (617) 732-5500

Street-level locationGet directions

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Mailing address