Doctor profile · Federal record

Dr. Diane Zimmer

Family Nurse Practitioner (CMS: Nurse Practitioner) · Oak Lawn, IL

  • NPI 1588801732
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9940 Harnew Road East
Oak Lawn, IL 60453
(708) 738-9732
Mailing address
9940 Harnew RD E
Oak Lawn, IL 604533913

Credentials & registration

NPPES · NUCC
NPI registered
January 2009 — 17 yrs on file
Profile last updated
June 30, 2009
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209007358

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588801732. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$692
Transactions
34
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 18 $324.96
Exact Sciences Corporation 8 $206.90
Merck Sharp & Dohme LLC 4 $76.64
PFIZER INC. 2 $36.54
Phadia US Inc. 1 $24.70
Xeris Pharmaceuticals, Inc. 1 $22.21

By nature of payment

Food and Beverage
$692

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
480
Patients
145
Total drug cost
$16,325
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 61 27 $725
Atorvastatin Calcium Generic 48 23 $944
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 44 19 $1,889
Montelukast Sodium Generic 38 12 $896
Fluticasone Propionate Generic 36 14 $795
Simvastatin Generic 33 0 $595
Hydrochlorothiazide Generic 32 13 $182
Meloxicam Generic 30 11 $457
Metformin Hcl Generic 29 13 $308
Lisinopril Generic 27 13 $548

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Zimmer's medical specialty?
Dr. Diane Zimmer practices Family Nurse Practitioner in Oak Lawn, IL.
Where does Dr. Diane Zimmer practice?
Dr. Diane Zimmer practices at 9940 Harnew Road East, Oak Lawn, IL 60453. Office phone: 7087389732.
What is Dr. Diane Zimmer's NPI?
Dr. Diane Zimmer's National Provider Identifier (NPI) is 1588801732, issued by NPPES.
Does Dr. Diane Zimmer accept Medicare assignment?
Yes. Dr. Diane Zimmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.