What is Michelle Yan's NPI number?

Michelle Yan's National Provider Identifier (NPI) is 1780400226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michelle Yan's specialty?

Michelle Yan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Michelle Yan located?

Michelle Yan's practice location on file with NPPES is 136 Harrison Ave, Boston, MA 02111-1817.

What is Michelle Yan's phone number?

The practice phone number listed in the NPPES registry for Michelle Yan is (617) 636-0405.

Is Michelle Yan's NPI active?

Yes — Michelle Yan's NPI (1780400226) is active in the NPPES registry as of the last update on 2026-01-07.

IndividualActive

Michelle Yan

NPI 1780400226 · Physician Assistant · Boston, MA

Michelle Yan is a Physician Assistant provider in Boston, MA (NPI 1780400226).

Provider details

NPI number: 1780400226
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(49/100 index)

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

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% 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

136 Harrison Ave

Boston, MA 02111-1817

Phone: (617) 636-0405

Street-level locationGet directions

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Mailing address