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

Mrs. Melissa A Gregg, NP

Individual provider Family Nurse Practitioner · NPI 1255054490

Mrs. Melissa A Gregg, NP is a Nurse Practitioner in Costa Mesa, California. Graduated from University of California, San Francisco School of Medicine in 2018, 8 years ago. Practices with The Roads Foundation, Inc, a 58-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
8
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2022
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

1150 Baker St
Costa Mesa, CA 92626-4111
Phone: (866) 389-2727
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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 95019125 (CA)

Record details

NPI number1255054490
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedSeptember 22, 2022
Last updated in NPPESSeptember 22, 2022
Certification dateSeptember 16, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice The Roads Foundation, Inc — 58 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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