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

Dr. Amma N Hayes, PHD

Individual provider Case Manager/Care Coordinator · NPI 1720293715

Dr. Amma N Hayes, PHD is a Case Manager/Care Coordinator in Concord, California. Works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
6
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

2425 Bisso Ln Ste 200
Concord, CA 94520-4886
Phone: (925) 521-5717
Fax: (925) 646-5662
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2730 W. Tregallas Rd. # 3281, Antioch, CA 94509 — (925) 369-2113
  • 2150 Stockton Blvd, Sacramento, CA 95817-1337 — (916) 875-1000

Specialties & licences

Rehabilitation Practitioner (primary) Taxonomy 225400000X (CA)
Case Manager/Care Coordinator Taxonomy 171M00000X (CA)
Mental Health Counselor Taxonomy 101YM0800X · Licence APCC6420 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence APCC6420 (CA)
Professional Counselor Taxonomy 101YP2500X · Licence APCC6420 (CA)
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1720293715
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 11, 2007
Last updated in NPPESOctober 15, 2025
Certification dateOctober 15, 2025

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