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DR. DAVID CHARLES PHD
NPI 1629526983
Clinical Neuropsychologist in Algonquin, IL

Active since September 15, 2016PECOS EnrolledAccepts Medicare Assignment
1451 MERCHANT DR, ALGONQUIN, IL 60102(847) 469-7537(847) 469-7540 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 21, 2024, Sep 15, 2016 (2 updates tracked since 2016).

About Dr. David Charles Phd NPPES

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

DR. DAVID CHARLES PHD (NPI 1629526983) is an individual clinical neuropsychologist in Algonquin, Illinois, licensed in Illinois (071.011321) and active in the NPI registry since September 2016. He is enrolled in Medicare PECOS, maintains 7 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1629526983
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameDR. DAVID CHARLESCredential: PHD
Location Address1451 MERCHANT DRAlgonquin, IL 60102-5917
Mailing Address1451 Merchant DrAlgonquin, IL 60102-5917 · (847) 469-7537 · Fax (847) 469-7540
Phone(847) 469-7537
Fax(847) 469-7540
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateSeptember 15, 2016
Last NPPES UpdateSeptember 23, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2025
✔ NPI 1629526983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in IL · 071.011321
Definition
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.
1451 MERCHANT DR, Algonquin, IL 60102
Open in Google Maps ↗

Secondary Practice Locations 7

Location 117W662 Butterfield Rd Ste 302Oakbrook Terrace, IL 60181-4006 · Phone (847) 469-7537 · Fax (847) 469-7540
Location 21603 Orrington Ave Ste 600Evanston, IL 60201-3860 · Phone (847) 469-7537 · Fax (847) 469-7540
Location 32604 Dempster St Ste 407BPark Ridge, IL 60068-8428 · Phone (847) 469-7537 · Fax (847) 469-7540
Location 41531 S Grove Ave Unit 105Barrington, IL 60010-5250 · Phone (847) 469-7537 · Fax (847) 469-7540
Location 5420 Lake Cook Rd Ste 112Deerfield, IL 60015-4914 · Phone (847) 469-7537 · Fax (847) 469-7540
Location 62551 N Clark St Ste 200Chicago, IL 60614-1798 · Phone (847) 469-7537 · Fax (847) 469-7540
Location 72300 N Barrington Rd Ste 105Hoffman Estates, IL 60169-2033 · Phone (847) 469-7537 · Fax (847) 469-7540

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. David Charles Phd 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 ID6406136670
PECOS Enrollment IDI20241211001304
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.

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.

DR. CHRISTINA JOY BLODGETT PH.D.
Clinical Neuropsychologist
1451 MERCHANT DR
ALGONQUIN, IL 60102
McHenry County (847) 469-7537
DR. THOMAS R SAK PSYD
Clinical Neuropsychologist
1451 MERCHANT DR
ALGONQUIN, IL 60102
McHenry County (847) 469-7537
ANTONIO MARTINEZ TLATENCHI PH.D.
Clinical Neuropsychologist
1451 MERCHANT DR
ALGONQUIN, IL 60102
McHenry County (847) 469-7537
THOMSON MEMORY CENTER LLC
Clinical Neuropsychologist
1451 MERCHANT DR
ALGONQUIN, IL 60102
McHenry County (847) 469-7537
TAYLOR GRECO PSYD
Clinical Neuropsychologist
1451 MERCHANT DR
ALGONQUIN, IL 60102
McHenry County (847) 469-7537
DR. NICKOLAS ARMSTRONG PSY.D.
Clinical Neuropsychologist
1451 MERCHANT DR
ALGONQUIN, IL 60102
McHenry County (847) 469-7537
DR. ARINA POLEVOY PSY.D.
Clinical Neuropsychologist
1451 MERCHANT DR
ALGONQUIN, IL 60102
McHenry County (847) 469-7537
HEATHER PATERSON MA, NCC
Counselor
1451 MERCHANT DR
ALGONQUIN, IL 60102
McHenry County (847) 469-7537

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 David Charles's NPI number?

The NPI number for David Charles is 1629526983. It was assigned to this individual provider in the NPPES registry on September 15, 2016.

Where is David Charles located?

David Charles practices at 1451 Merchant Dr, Algonquin, IL 60102. The listed phone number is (847) 469-7537.

What is David Charles's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is David Charles enrolled in Medicare?

Yes. David Charles 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.

When was this NPI record last updated?

The NPPES record for David Charles was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.