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DR. STUART A. GREENFIELD M.D.
NPI 1457319477
Internal Medicine - Cardiovascular Disease in Chicago, IL

Active since May 01, 2006PECOS EnrolledAccepts Medicare Assignment
150 E HURON ST, STE 800, CHICAGO, IL 60611(312) 642-9858(312) 642-9818 Get Directions Write a Review

NPPES record last updated: March 10, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Stuart A. Greenfield M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STUART A. GREENFIELD M.D. (NPI 1457319477) is an individual cardiovascular disease provider in Chicago, Illinois, licensed in Illinois (036086081) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1457319477
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. STUART A. GREENFIELDCredential: M.D.
Location Address150 E HURON ST, STE 800Chicago, IL 60611-2912
Mailing Address150 E Huron St, Ste 800Chicago, IL 60611-2912 · (312) 642-9858 · Fax (312) 642-9818
Phone(312) 642-9858
Fax(312) 642-9818
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateMay 1, 2006
Last NPPES UpdateMarch 10, 2016
✔ NPI 1457319477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in IL · 036086081
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
150 E HURON ST, Chicago, IL 60611
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Other Identifiers 3

Medicaid036086081IL
Medicare ID-Type UnspecifiedK18365IL
Medicare UPING02413IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stuart A. Greenfield M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729024708
PECOS Enrollment IDI20050630000112
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
394 services215 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
350 services208 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
314 services185 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
193 services142 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
61 services46 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
36 services15 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Atrial Fibrillation and Atrial Flutter: Chronic Anticoagulation Therapy
Percentage of patients aged 18 years and older with nonvalvular atrial fibrillation (AF) or atrial flutter who were prescribed warfarin OR another FDA- approved anticoagulant drug for the prevention of thromboembolism during the measurement period
94%209 patients4/55-star benchmark: 100%
Coronary Artery Disease (CAD): Antiplatelet Therapy
Percentage of patients aged 18 years and older with a diagnosis of coronary artery disease (CAD) seen within a 12 month period who were prescribed aspirin or clopidogrel
98%295 patients4/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%1,121 patients5/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
100%5,165 patients5/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
60%588 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
4%588 patients1/55-star benchmark: 79%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
Percentage of the following patients - all considered at high risk of cardiovascular events - who were prescribed or were on statin therapy during the measurement period: - Adults aged >= 21 years who were previously diagnosed with or currently have an active…
92%543 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WENDY R MURRAY R.N., L.AC
Acupuncturist
150 E HURON ST, SUITE 1100
CHICAGO, IL 60611
Cook County (312) 926-6146
DR. KEVIN R WALLACE DMD
Dentist (General Practice)
150 E HURON ST, STE 1103
CHICAGO, IL 60611
Cook County (312) 676-9893
CHARLES LOCKHART DDS
Dentist (General Practice)
150 E HURON ST, SUITE 1103
CHICAGO, IL 60611
Cook County (312) 676-9893
PAYTON CHALMERS
Counselor (Professional)
150 E HURON ST
CHICAGO, IL 60611
Cook County (312) 549-8818
ZIBUTE G ZAPARACKAS MD AND PAUL A KNEPPER MD LTD
Ophthalmology
150 E HURON ST, SUITE 1000
CHICAGO, IL 60611
Cook County (312) 337-1285
RENEE GENOVA LMT
Massage Therapist
150 E HURON ST, SUITE 1100
CHICAGO, IL 60611
Cook County (312) 926-3627
FEELY LTD
Family Medicine
150 E HURON ST, SUITE 1104
CHICAGO, IL 60611
Cook County (312) 266-8565
ANNE S LEAVELL
Dietitian, Registered
150 E HURON ST, SUITE 1100
CHICAGO, IL 60611
Cook County (312) 926-9355

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stuart Greenfield's NPI number?

The NPI number for Stuart Greenfield is 1457319477. It was assigned to this individual provider in the NPPES registry on May 1, 2006.

Where is Stuart Greenfield located?

Stuart Greenfield practices at 150 E Huron St Ste 800, Chicago, IL 60611. The listed phone number is (312) 642-9858.

What is Stuart Greenfield's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Stuart Greenfield enrolled in Medicare?

Yes. Stuart Greenfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Stuart Greenfield affiliated with any hospitals?

According to CMS data, Stuart Greenfield is affiliated with Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Stuart Greenfield was last updated on March 10, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.