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

Mary Haynes, FNP

Individual provider Family Nurse Practitioner · NPI 1902896921

Mary Haynes, FNP is a Family Nurse Practitioner in Lancaster, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

45104 10th St W
Lancaster, CA 93534-2310
Phone: (661) 942-2391
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence NP12899 (CA)

Record details

NPI number1902896921
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedOctober 21, 2005
Last updated in NPPESDecember 1, 2021
Mailing address45104 10th St W, Lancaster, CA 93534-2310

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