Catherine Isabelle Lem, PA-C
Physician Assistant · Philadelphia, PA
Catherine Isabelle Lem, PA-C is a physician assistant with a practice address in Philadelphia, Pennsylvania, and NPI 1275404725, issued on Sep 17, 2025. Check the license with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Catherine Isabelle Lem
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 3500 N Broad St, Philadelphia, PA 19140
- Phone
- (215) 707-3656
- Enumerated
- Sep 17, 2025
- Record last updated
- Sep 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20260424001069); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 3500 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Isabelle Lem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine Isabelle Lem among 8,020 physician assistant records in Pennsylvania
Catherine Isabelle Lem, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 89% of them.
- NPI issued2025 · 89% of these records are older, 3% newer
- In a Medicare fileNo · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2025 · median 2018 among the 5,313 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
955 physician assistant records list a practice address in Philadelphia
They are 955 of the 42,849 NPPES records with a practice address in Philadelphia, and 8,020 physician assistant records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,020 in Pennsylvania → Every provider in Philadelphia → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- John Behrend, PA-CPhiladelphia, PA 191401104043769
- Tamara Boucher, PA-CPhiladelphia, PA 191401578728275
- Perry Cain, PA-CPhila, PA 191401649257528
- Leah Evans, PA-CPhiladelphia, PA 191401649445875
- Beverly Isaac, PAPhiladelphia, PA 191401285825943
- David Isgan, PA-CPhiladelphia, PA 191401285809434
- Marta Jaramillo, PA CPhiladelphia, PA 191401548247414
- Michelle Kwok, PAPhiladelphia, PA 191401891720793
Common questions
What is Catherine Isabelle Lem, PA-C's NPI number?
Catherine Isabelle Lem, PA-C's National Provider Identifier (NPI) is 1275404725, issued on Sep 17, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Isabelle Lem, PA-C located?
The NPPES record lists a practice address at 3500 N Broad St, Philadelphia, PA, 19140. Phone: (215) 707-3656. Providers update this record themselves, so call before visiting.
How can I verify Catherine Isabelle Lem, PA-C's license?
Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.