Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Mackenzie L. Pennington, PA-C

Individual provider Physician Assistant · NPI 1992002570

MS. Mackenzie L. Pennington, PA-C is a Physician Assistant in Los Angeles, California. Qualified in 2010, 16 years ago. Practices with Intercommunity Emergency Medical Group, a 60-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Licensed in
CA
In the registry since
2011
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1225 Wilshire Blvd
Los Angeles, CA 90017-1901
Phone: (323) 226-6801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 18300 Yorba Linda Blvd, Yorba Linda, CA 92886-4052 — (714) 577-6000

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA21245 (CA)

Record details

NPI number1992002570
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedFebruary 17, 2011
Last updated in NPPESMarch 17, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Intercommunity Emergency Medical Group — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients184
Services billed 203 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Intercommunity Emergency Medical Group

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 60 clinicians in the practice; 12 are shown here.

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