Doctor profile · Federal record

Dr. Louis Hiotis, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL

  • NPI 1710980339
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 S. Michigan Avenue, #805
Chicago, IL 60604
(312) 922-3815
fax (312) 922-7449
Mailing address
200 S Michigan Avenue, #805
Chicago, IL 60604

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
March 18, 2011
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-108161
Medicaid
IL #036108161

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710980339. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
556
Distinct HCPCS
6
Medicare allowed
$28,045
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 168 106 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 148 77 $133
81003 Automated urinalysis test 98 83 $2
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 75 67 $15
99213 Established patient office or other outpatient visit, 20-29 minutes 54 39 $95
G0008 Administration of influenza virus vaccine 13 13 $32

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 3.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$447
Transactions
20
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 9 $211.56
Exact Sciences Corporation 3 $74.43
Merck Sharp & Dohme LLC 3 $62.40
Novo Nordisk INC 3 $58.52
GlaxoSmithKline, LLC. 1 $22.15
Lilly USA, LLC 1 $17.71

By nature of payment

Food and Beverage
$447

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,057
Patients
292
Total drug cost
$107,955
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 197 61 $4,020
Rosuvastatin Calcium Generic 139 42 $3,192
Amlodipine Besylate Generic 113 35 $1,837
Losartan Potassium Generic 80 26 $1,487
Metoprolol Succinate Generic 73 24 $1,648
Lisinopril Generic 58 15 $1,240
Levothyroxine Sodium Generic 56 16 $1,029
Tamsulosin Hcl Generic 52 16 $1,351
Eliquis (Apixaban) Brand 51 0 $39,264
Pantoprazole Sodium Generic 48 16 $958

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Hiotis's medical specialty?
Dr. Louis Hiotis practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Louis Hiotis practice?
Dr. Louis Hiotis practices at 200 S. Michigan Avenue, Chicago, IL 60604. Office phone: 3129223815.
What is Dr. Louis Hiotis's NPI?
Dr. Louis Hiotis's National Provider Identifier (NPI) is 1710980339, issued by NPPES.
Does Dr. Louis Hiotis accept Medicare assignment?
Yes. Dr. Louis Hiotis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Hiotis commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.