Doctor profile · Federal record

Dr. Natalia Zero, DO

Internal Medicine Physician · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Oak Lawn, IL

  • NPI 1659995231
  • 6 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4440 W 95Th St, Rm 131 North
Oak Lawn, IL 60453
(708) 684-5673
fax (708) 684-2500
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
July 14, 2023
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Illinois #036.165192 · Illinois #125077079

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659995231. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
23
Distinct HCPCS
1
Medicare allowed
$2,870
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 14 $125

In context: peer comparison

Among 29 peers in Oak Lawn Internal Medicine Physician, average services per provider: 146. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$41
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $23.86
GlaxoSmithKline, LLC. 1 $17.56

By nature of payment

Food and Beverage
$41

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
0
Total drug cost
$2,582
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 20 0 $302
Amlodipine Besylate Generic 14 0 $81
Humulin 70-30 (Insulin Nph Hum/Reg Insulin Hm) Brand 12 0 $1,956
Spironolactone Generic 12 0 $243

Frequently asked questions

Auto-generated from federal data
What is Dr. Natalia Zero's medical specialty?
Dr. Natalia Zero practices Internal Medicine Physician in Oak Lawn, IL.
Where does Dr. Natalia Zero practice?
Dr. Natalia Zero practices at 4440 W 95Th St, Rm 131 North, Oak Lawn, IL 60453. Office phone: 7086845673.
What is Dr. Natalia Zero's NPI?
Dr. Natalia Zero's National Provider Identifier (NPI) is 1659995231, issued by NPPES.
What procedures does Dr. Natalia Zero commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.