Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Denis Adlai Yen, MD

Individual provider Emergency Medicine Physician · NPI 1568576981

Dr. Denis Adlai Yen, MD is an Emergency Medicine in Pasadena, California. Graduated from Hahnemann University College of Medicine in 1995, 31 years ago. Practices with Exer Medical Corporation, a 333-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
31
Trained at
Hahnemann University College of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 W California Blvd
Pasadena, CA 91105-3010
Phone: (626) 397-3445
Fax: (626) 397-5643
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A61518 (CA)

Record details

NPI number1568576981
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 19, 2006
Last updated in NPPESJune 5, 2008

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolHAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Exer Medical Corporation — 333 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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