What is Catherine Lem's NPI number?

Catherine Lem's National Provider Identifier (NPI) is 1275404725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Catherine Lem's specialty?

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

Where is Catherine Lem located?

Catherine Lem's practice location on file with NPPES is 3500 N Broad St, Philadelphia, PA 19140-4106.

What is Catherine Lem's phone number?

The practice phone number listed in the NPPES registry for Catherine Lem is (215) 707-3656.

Is Catherine Lem's NPI active?

Yes — Catherine Lem's NPI (1275404725) is active in the NPPES registry as of the last update on 2025-09-17.

IndividualActive

Catherine Lem, PA-C

NPI 1275404725 · Physician Assistant · Philadelphia, PA

Catherine Lem, PA-C is a Physician Assistant provider in Philadelphia, PA (NPI 1275404725).

Provider details

NPI number: 1275404725
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: PA-C
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

3500 N Broad St

Philadelphia, PA 19140-4106

Phone: (215) 707-3656

Street-level locationGet directions

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Mailing address