Active NPI 1023051315 Individual Practitioner Male Practitioner

Dr. James R Davis , MD

Specialist • Naperville, IL

Professional Overview & Biography Verified Profile Summary

Dr. James Davis, MD is a registered healthcare professional specializing in Specialist in Naperville, IL. Practice services are available at 120 SPALDING DR under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

120 Spalding Dr
Suite 307

Naperville, IL 605406521

Telephone 6303551102

Fax 6303553078

Associated Practice Facility / Clinic

🏢 Academic Endocrine Metabolism & Nutrition Facility NPI 1912963919

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Naperville, IL

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 40.0 Yrs

State Avg: 38.5 Yrs

Regional Practice Density

21 Specialists

Practicing in Naperville, IL (1322 Statewide)

Telehealth Adoption Rate

4.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

3.5% 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 (2020)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	272	203	$114.22	$109.96
99213 Established patient office or other outpatient visit, typically 15 minutes	29	23	$77.56	$75.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,036	551	$114.19	$109.22
99213 Established patient office or other outpatient visit, typically 15 minutes	109	101	$77.75	$74.18
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	64	57	$154.09	$147.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$116.15	$110.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,160	561	$114.16	$109.22
99213 Established patient office or other outpatient visit, typically 15 minutes	77	67	$77.84	$74.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	67	58	$153.65	$147.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$116.18	$111.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$173.15	$166.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,131	569	$114.06	$108.45
99213 Established patient office or other outpatient visit, typically 15 minutes	95	83	$77.84	$74.49
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	89	77	$153.76	$147.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	81	81	$115.71	$109.79

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Practice Associates & Co-Workers

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

39 Associated Practitioners

Sheila Treftz , APN

Nurse Practitioner - Acute Care

NPI 1023074051

Advanced Practice Nurse

Dr. Joseph Kash , MD

Internal Medicine - Hematology & Oncology

NPI 1043297971

Doctor of Medicine (M.D.)

Wendy Pawelski , LCPC, CADC

Counselor - Professional

NPI 1063565885

Licensed Clinical Professional Counselor, Certified Alcohol and Drug Counselor

Dr. Enayat Osanloo , MD

Internal Medicine - Nephrology

NPI 1073510996

Doctor of Medicine (M.D.)

Kristin Watkins , APN-CNP

Nurse Practitioner

NPI 1093667032

APNCNP

Dr. James Wielgolewski , MD

Surgery

NPI 1134193493

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 120 SPALDING DR, SUITE 307, NAPERVILLE, IL 605406521 (Tel: 6303551102)

📍

Updated Business Mailing Address July 08, 2007

Registered at 120 SPALDING DR, SUITE 307, NAPERVILLE, IL 605406508 (Tel: 6303551102)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as JAMES DAVIS, MD

🎓

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

Specialist

🟢

Initial NPI Registration & Enumeration June 14, 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: 1023051315

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 14, 2006

Last Update: July 08, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

120 Spalding Dr, Suite 307

Naperville, IL 605406508

Phone: 6303551102

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.