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

Dr. Cynthia Kay Mackey, DO

Individual provider Hospice and Palliative Medicine (Emergency Medicine) Physician · NPI 1598966053

Dr. Cynthia Kay Mackey, DO is a Hospice and Palliative Medicine (Emergency Medicine) Physician in Lancaster, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

43112 15th St W
Lancaster, CA 93534-6219
Phone: (661) 726-2435
Fax: (661) 726-2301
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospice and Palliative Medicine (Emergency Medicine) Physician (primary) Taxonomy 207PH0002X · Licence 20A6571 (CA)

Record details

NPI number1598966053
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 30, 2007
Last updated in NPPESOctober 24, 2017