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

Dr. Allen A. Hassen, MD

Individual provider Occupational Medicine Physician · NPI 1659604023

Dr. Allen A. Hassen, MD is a Family Practice in West Covina, California. Qualified in 2010, 16 years ago. Practices with Southern California Medical Center Inc, a 12-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Licensed in
CA
In the registry since
2009
Specialties on file
4
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

3121 E Hillside Dr
West Covina, CA 91791-3459
Phone: (626) 347-8220
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A114943 (CA)
Occupational Medicine Physician Taxonomy 2083X0100X · Licence A114943 (CA)
General Practice Physician Taxonomy 208D00000X · Licence A114943 (CA)
Preventive Medicine/Occupational Environmental Medicine Physician Taxonomy 2083P0500X · Licence A114943 (CA)

Record details

NPI number1659604023
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 16, 2009
Last updated in NPPESJuly 13, 2011

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Southern California Medical Center Inc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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