Doctor profile · Federal record

Dr. Johnna Diaz, APRN, FNP-C

Family Nurse Practitioner · Elyria, OH

  • NPI 1144843673
  • MIPS 78.4 / 100 · 2023
  • 6 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
630 E River St
Elyria, OH 440355902
(440) 949-9835
Mailing address
4900 Washington Ave
Lorain, OH 440525722

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Ohio #0296750

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144843673. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$320
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $114.00
Penumbra, Inc. 1 $103.20
Fresenius USA Marketing, Inc. 2 $102.63

By nature of payment

Food and Beverage
$320

Frequently asked questions

Auto-generated from federal data
What is Dr. Johnna Diaz's medical specialty?
Dr. Johnna Diaz practices Family Nurse Practitioner in Elyria, OH.
Where does Dr. Johnna Diaz practice?
Dr. Johnna Diaz practices at 630 E River St, Elyria, OH 440355902. Office phone: 4409499835.
What is Dr. Johnna Diaz's NPI?
Dr. Johnna Diaz's National Provider Identifier (NPI) is 1144843673, issued by NPPES.