Doctor profile · Federal record

Dr. Gilberto Zavala, MD

Internal Medicine Physician · Chicago, IL

  • NPI 1699700872
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1725 W Harrison St, Sutie 318
Chicago, IL 60612
(312) 942-6647
fax (312) 942-3740
Mailing address
1725 W Harrison St Ste 318
Chicago, IL 606123817

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 8, 2020
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036103577
Medicaid
IL #036103577

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699700872. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
633
Distinct HCPCS
9
Medicare allowed
$54,021
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 166 43 $126
36415 Insertion of needle into vein for collection of blood sample 101 86 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 92 89 $15
96372 Injection of drug or substance under skin or into muscle 86 18 $15
99205 New patient office or other outpatient visit, 60-74 minutes 70 70 $232
99215 Established patient office or other outpatient visit, 40-54 minutes 66 47 $184
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 29 11 $1
G0008 Administration of influenza virus vaccine 12 12 $26
90662 Influenza vaccine split virus, preservative free 11 11 $72

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 3.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$253
Transactions
11
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 7 $152.64
Pfizer INC. 3 $77.53
Exact Sciences Corporation 1 $22.98

By nature of payment

Food and Beverage
$253

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
434
Patients
60
Total drug cost
$5,782
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 45 12 $748
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 36 20 $393
Furosemide Generic 36 0 $126
Amlodipine Besylate Generic 35 12 $480
Hydrochlorothiazide Generic 34 0 $245
Tramadol Hcl Generic 34 0 $390
Alprazolam Generic 33 0 $506
Metformin Hcl Generic 30 0 $233
Azithromycin Generic 25 16 $191
Levothyroxine Sodium Generic 24 0 $263

Frequently asked questions

Auto-generated from federal data
What is Dr. Gilberto Zavala's medical specialty?
Dr. Gilberto Zavala practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Gilberto Zavala practice?
Dr. Gilberto Zavala practices at 1725 W Harrison St, Chicago, IL 60612. Office phone: 3129426647.
What is Dr. Gilberto Zavala's NPI?
Dr. Gilberto Zavala's National Provider Identifier (NPI) is 1699700872, issued by NPPES.
What procedures does Dr. Gilberto Zavala commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.