Doctor profile · Federal record

Dr. Melissa Ennis, MSN, APRN, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Emergency Registered Nurse · Nurse Practitioner · Tustin, CA

  • NPI 1548989650
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17612 17Th St
Tustin, CA 927801962
(216) 544-6857
Mailing address
1225 E Latham Ave Ste B
Hemet, CA 925434423

Credentials & registration

NPPES · NUCC
NPI registered
August 2022 — 4 yrs on file
Profile last updated
September 4, 2024
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #95022314 · California #95160974

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548989650. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$107
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Alnylam Pharmaceuticals INC. 1 $27.38
Abbvie INC. 1 $22.01
Janssen Biotech, INC. 1 $20.58
Tolmar, INC. 1 $19.94
Myriad Genetic Laboratories, INC. 1 $17.10

By nature of payment

Food and Beverage
$107

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
134
Patients
133
Total drug cost
$1,498
Drug Type Claims Patients Total cost
Methylprednisolone Generic 40 40 $338
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 27 27 $304
Azithromycin Generic 22 21 $89
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 16 16 $201
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 15 15 $427
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 14 14 $139

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Ennis's medical specialty?
Dr. Melissa Ennis practices Family Nurse Practitioner in Tustin, CA.
Where does Dr. Melissa Ennis practice?
Dr. Melissa Ennis practices at 17612 17Th St, Tustin, CA 927801962. Office phone: 2165446857.
What is Dr. Melissa Ennis's NPI?
Dr. Melissa Ennis's National Provider Identifier (NPI) is 1548989650, issued by NPPES.
Does Dr. Melissa Ennis accept Medicare assignment?
Yes. Dr. Melissa Ennis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.