What is Lennig Chang's NPI number?

Lennig Chang's National Provider Identifier (NPI) is 1932179637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lennig Chang's specialty?

Lennig Chang is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).

Where is Lennig Chang located?

Lennig Chang's practice location on file with NPPES is 2000 Washington St, Newton, MA 02462-1650.

What is Lennig Chang's phone number?

The practice phone number listed in the NPPES registry for Lennig Chang is (617) 964-8497.

Is Lennig Chang's NPI active?

Yes — Lennig Chang's NPI (1932179637) is active in the NPPES registry as of the last update on 2008-03-26.

IndividualActive

Lennig Chang, MD

NPI 1932179637 · Rheumatology Physician · Newton, MA

Lennig Chang, MD is a Rheumatology Physician provider in Newton, MA (NPI 1932179637).

Provider details

NPI number: 1932179637
Entity type: Individual
Primary specialty: Rheumatology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: 31068 (MA)

Specialties & taxonomies

Rheumatology PhysicianPrimary207RR0500XLicense 31068 (MA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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

2000 Washington St

Suite 405

Newton, MA 02462-1650

Phone: (617) 964-8497

Fax: (617) 964-8479

Street-level locationGet directions

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Mailing address