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

Dennis M Conneen, DO

Individual provider Emergency Medicine Physician · NPI 1316981483

Dennis M Conneen, DO is an Emergency Medicine Physician in Whittier, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

12401 Washington Blvd
Whittier, CA 90602-1006
Phone: (562) 698-0811
Fax: (818) 587-2493
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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 20A3987 (CA)

Record details

NPI number1316981483
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 4419, Woodland Hills, CA 91365-4419

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