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

Deante J. Markey

Individual provider Nurse Practitioner · NPI 1982393716

Deante J. Markey is a Nurse Practitioner in Covina, California. Qualified in 2024, 2 years ago. Practices with J M Geiss DO APC, a 13-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
2
Licensed in
CA
In the registry since
2023
Specialties on file
2

Practice location Address checks out

1161 E Covina Blvd
Covina, CA 91724-1523
Phone: (504) 451-7842
Show map & directions

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

Additional practice locations (1)

  • 1710 Barton Rd, Redlands, CA 92373-5304 — (909) 558-9200

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 95028099 (CA)
Nurse Practitioner Taxonomy 363L00000X · Licence 95028099 (CA)

Record details

NPI number1982393716
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMay 8, 2023
Last updated in NPPESDecember 23, 2025
Certification dateDecember 23, 2025
Mailing address11317 Fitzpatrick Dr, Rancho Cucamonga, CA 91730-8314

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice J M Geiss Do Apc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Covina