Doctor profile · Federal record

Dr. Stuart Greenfield, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Chicago, IL

  • NPI 1457319477
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 E Huron St, Ste 800
Chicago, IL 606112912
(312) 642-9858
fax (312) 642-9818

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 10, 2016
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Illinois #036086081
Medicaid
IL #036086081

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457319477. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,945
Distinct HCPCS
10
Medicare allowed
$141,962
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 719 476 $15
36415 Insertion of needle into vein for collection of blood sample 576 367 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 546 412 $133
80061 Blood test, lipids (cholesterol and triglycerides) 391 299 $13
99213 Established patient office or other outpatient visit, 20-29 minutes 332 212 $94
99212 Established patient office or other outpatient visit, 10-19 minutes 110 35 $59
85610 Blood test, clotting time 95 11 $4
90756 Influenza vaccine, quadrivalent derived from cell cultures 72 72 $32
G0008 Administration of influenza virus vaccine 72 72 $32
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $175

In context: peer comparison

Among 96 peers in this city , average services per provider: 129. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$341
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $133.16
Novartis Pharmaceuticals Corporation 4 $108.25
AstraZeneca Pharmaceuticals LP 1 $99.55

By nature of payment

Food and Beverage
$341

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,810
Patients
1,116
Total drug cost
$540,637
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 846 245 $15,326
Amlodipine Besylate Generic 466 138 $7,563
Metoprolol Succinate Generic 434 127 $10,921
Losartan Potassium Generic 424 122 $7,857
Hydrochlorothiazide Generic 206 61 $1,491
Levothyroxine Sodium Generic 177 52 $3,952
Lisinopril Generic 174 49 $3,009
Eliquis (Apixaban) Brand 172 49 $270,800
Ezetimibe Generic 167 48 $7,022
Rosuvastatin Calcium Generic 164 46 $3,901

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stuart Greenfield's medical specialty?
Dr. Stuart Greenfield practices Cardiovascular Disease Physician in Chicago, IL.
Where does Dr. Stuart Greenfield practice?
Dr. Stuart Greenfield practices at 150 E Huron St, Chicago, IL 606112912. Office phone: 3126429858.
What is Dr. Stuart Greenfield's NPI?
Dr. Stuart Greenfield's National Provider Identifier (NPI) is 1457319477, issued by NPPES.
Does Dr. Stuart Greenfield accept Medicare assignment?
Yes. Dr. Stuart Greenfield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stuart Greenfield commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.