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Active NPI 1588605745 Individual Practitioner Male Practitioner

Dr. Gary Jack Davis , MD

Internal Medicine • Evanston, IL

Professional Overview & Biography Verified Profile Summary

Dr. Gary Davis, MD is a registered healthcare professional specializing in Internal Medicine in Evanston, IL. Practice services are available at 1000 CENTRAL ST under active NPI credentials.

Frequently performed procedures and clinical services include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 Central St
Suite 640

Evanston, IL 602011777

Telephone 8475701410
Fax 8478690520
Associated Practice Facility / Clinic
🏢 Sonus-Usa, Inc. Facility NPI 1861444895

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Evanston, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 18.5 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
180 Specialists

Practicing in Evanston, IL (7544 Statewide)

Telehealth Adoption Rate
14.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
47.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2018)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
164 119 $32.00 $8.93
99213 Established patient office or other outpatient visit, typically 15 minutes
78 71 $60.82 $54.25
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
34 34 $252.00 $122.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
22 21 $123.00 $83.64
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
11 11 $381.00 $180.46

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine - Cardiovascular Disease

NUCC Taxonomy Code: 207RC0000X

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

12 Associated Practitioners
Dr. William Kerr , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1003975871

Doctor of Medicine (M.D.)

Dr. Valli Stewart , MD

Internal Medicine

NPI 1053470559

Doctor of Medicine (M.D.)

Kelly Metcalf , APN-CNP

Nurse Practitioner

NPI 1124737119

APNCNP

Sara Phou , LCSW

Social Worker - Clinical

NPI 1184040446

Licensed Clinical Social Worker

Dr. Yvette Shannon , DO

Internal Medicine

NPI 1184805483

Doctor of Osteopathic Medicine (D.O.)

Dr. Zainab Quadri , MD

Internal Medicine

NPI 1336715580

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1000 CENTRAL ST, SUITE 640, EVANSTON, IL 602011777 (Tel: 8475701410)

📍
Updated Business Mailing Address July 08, 2007

Registered at 2650 RIDGE AVE, EVANSTON HOSPITAL, EVANSTON, IL 602011718 (Tel: 8475701206)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as GARY DAVIS, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine

🟢
Initial NPI Registration & Enumeration June 09, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1588605745
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 09, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

2650 Ridge Ave, Evanston Hospital

Evanston, IL 602011718

Phone: 8475701206

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.