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Active NPI 1629526983 Individual Practitioner Male Practitioner

Dr. David Charles , PhD

Clinical Neuropsychologist • Algonquin, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Charles, PhD is a certified Clinical Neuropsychologist practicing in Algonquin, IL. With approximately 10 years of clinical experience since completing medical education in 2016, Dr. Charles delivers high-quality medical care to the local community at 1451 MERCHANT DR.

Dr. Charles is affiliated with Thomson Memory Center Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include neuropsychological testing, interpretation, and report by psychologist or physician per hour, psychotherapy, psychiatric diagnostic evaluation. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1451 Merchant Dr

Algonquin, IL 601025917

Telephone 8474697537
Fax 8474697540
Associated Practice Facility / Clinic
🏢 Family Wellness Care Facility NPI 1336357854

Medicare Profile & Education

Medical School

Other

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Clinical Neuropsychologist in Algonquin, IL

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs +0.9 yrs vs City Avg
City Avg: 9.1 Yrs
State Avg: 18.9 Yrs
Regional Practice Density
13 Specialists

Practicing in Algonquin, IL (262 Statewide)

Telehealth Adoption Rate
84.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
54.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Charles (10 Years) 10 Yrs
Algonquin Specialty Average (9.1 Years) 9.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2017)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
96118 Neuropsychological testing, interpretation, and report by psychologist or physician per hour
143 18 $250.00 $93.06
90834 Psychotherapy, 45 minutes
70 11 $160.00 $82.25
90791 Psychiatric diagnostic evaluation
22 22 $250.00 $126.83

Medical Specialties & State Licenses

CMS Verified: 2025-09-23
Clinical Neuropsychologist Primary Specialty

NUCC Taxonomy Code: 103G00000X

State License IL 071.011321

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Hospital & Practice Group Affiliations

Thomson Memory Center Llc

2604 Dempster St, Park Ridge, IL 600688428

Phone: 8474697537

Secondary Practice Locations

1531 S Grove Ave Unit 105

Barrington, IL 600105250

Phone: 8474697537

420 Lake Cook Rd Ste 112

Deerfield, IL 600154914

Phone: 8474697537

2551 N Clark St Ste 200

Chicago, IL 606141798

Phone: 8474697537

2300 N Barrington Rd Ste 105

Hoffman Estates, IL 601692033

Phone: 8474697537

2604 Dempster St Ste 407b

Park Ridge, IL 600688428

Phone: 8474697537

17w662 Butterfield Rd Ste 302

Oakbrook Terrace, IL 601814006

Phone: 8474697537

1603 Orrington Ave Ste 600

Evanston, IL 602013860

Phone: 8474697537

Practice Associates & Co-Workers

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

19 Associated Practitioners
Dr. Christina Blodgett , PhD

Clinical Neuropsychologist

NPI 1003092008

Doctor of Philosophy (Ph.D.)

Dr. Thomas Sak , PsyD

Clinical Neuropsychologist

NPI 1073090239

Doctor of Psychology (Psy.D.)

Dr. Antonio Martinez Tlatenchi , PhD

Clinical Neuropsychologist

NPI 1073295549

Doctor of Philosophy (Ph.D.)

Dr. Taylor Greco , PsyD

Clinical Neuropsychologist

NPI 1194202242

Doctor of Psychology (Psy.D.)

Dr. Calsey Fasching , PsyD

Clinical Neuropsychologist

NPI 1194232975

Doctor of Psychology (Psy.D.)

Dr. Nickolas Armstrong , PsyD

Clinical Neuropsychologist

NPI 1205443975

Doctor of Psychology (Psy.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location November 21, 2024

Registered at 1451 MERCHANT DR, ALGONQUIN, IL 601025917 (Tel: 8474697537)

📍
Updated Business Mailing Address November 21, 2024

Registered at 1451 MERCHANT DR, ALGONQUIN, IL 601025917 (Tel: 8474697537)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 21, 2024

Clinical Neuropsychologist (License #071.011321 in IL)

NPI Profile Active September 15, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location September 15, 2016

Registered at 421 BENJAMIN LN STE 202, LOUISVILLE, KY 402224845 (Tel: 5026908024)

📍
Updated Business Mailing Address September 15, 2016

Registered at PO BOX 2257, CHESTERTON, IN 463040357 (Tel: 2199268320)

👤
Provider Name / Credentials Updated September 15, 2016

Recorded as DAVID CHARLES, PHD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 15, 2016

Psychologist (License #2864 in KY)

🟢
Initial NPI Registration & Enumeration September 15, 2016

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: 1629526983
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 15, 2016
Last Update: September 23, 2025
Sole Proprietor: Yes

Mailing Address

1451 Merchant Dr

Algonquin, IL 601025917

Phone: 8474697537

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.