Doctor profile · Federal record

Dr. Melix Diaz, APRN

Family Nurse Practitioner · Nurse Practitioner · Johnston, RI

  • NPI 1568124337
  • 5 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1524 Atwood Ave Ste 327
Johnston, RI 029193228
(401) 383-0400
fax (401) 383-0410
Additional location
1 Kettle Point Ave
East Providence, RI 029145375
(401) 457-1500

Credentials & registration

NPPES · NUCC
NPI registered
October 2021 — 5 yrs on file
Profile last updated
February 19, 2024
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Rhode Island #APRN02888

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568124337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
80
Distinct HCPCS
3
Medicare allowed
$5,828
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 47 39 $78
99212 Established patient office or other outpatient visit, 10-19 minutes 22 17 $49
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $97

In context: peer comparison

Among 4 peers in Johnston Family Nurse Practitioner, average services per provider: 87. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$521
Transactions
19
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 3 $167.63
Qol Medical, LLC 3 $70.34
Amgen INC. 3 $61.83
Phathom Pharmaceuticals, INC. 2 $50.73
Optinose US, INC. 2 $47.84
AstraZeneca Pharmaceuticals Lp 2 $40.18
Ardelyx, INC. 2 $38.87
Novartis Pharmaceuticals Corporation 1 $26.40
Shield Therapeutics INC 1 $17.61

By nature of payment

Food and Beverage
$521

Frequently asked questions

Auto-generated from federal data
What is Dr. Melix Diaz's medical specialty?
Dr. Melix Diaz practices Family Nurse Practitioner in Johnston, RI.
Where does Dr. Melix Diaz practice?
Dr. Melix Diaz practices at 1524 Atwood Ave Ste 327, Johnston, RI 029193228. Office phone: 4013830400.
What is Dr. Melix Diaz's NPI?
Dr. Melix Diaz's National Provider Identifier (NPI) is 1568124337, issued by NPPES.
What procedures does Dr. Melix Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.