CHARLES E. DAVIS, PH.D., P.C.
NPI 1619285269
Psychologist - Clinical in Oak Park, IL

NPI Status: Active since September 16, 2010

Contact Information

1010 LAKE ST
SUITE 109
OAK PARK, IL
ZIP 60301
Phone: (708) 431-2245
Fax: (708) 383-0198

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  • Organization
  • Psychologist
  • Clinical

About CHARLES E. DAVIS, PH.D., P.C.

This page provides the complete NPI Profile along with additional information for Charles E. Davis, Ph.d., P.c., a provider established in Oak Park, Illinois operating as a Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1619285269 assigned on September 2010. The practitioner's primary taxonomy code is 103TC0700X with license number 071003271 (IL). The provider is registered as an organization and their NPI record was last updated 16 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Charles E. Davis Ph.d. (President And Registered Agent)

NPI
1619285269
Provider Name
CHARLES E. DAVIS, PH.D., P.C.
Entity Type
Organization
Location Address
1010 LAKE ST SUITE 109 OAK PARK, IL 60301
Location Phone
(708) 431-2245
Location Fax
(708) 383-0198
Mailing Address
1010 LAKE ST SUITE 109 OAK PARK, IL 60301
Mailing Phone
(708) 431-2245
Mailing Fax
(708) 383-0198
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-16-2010
Last Update Date
09-16-2010
Code Navigator

A clinical psychologist like Charles E. Davis, Ph.d., P.c. assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
071003271
License State
IL
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. CHARLES E. DAVIS PH.D.

Authorized Official Title
PRESIDENT AND REGISTERED AGENT
Authorized Official Phone
(708) 431-2245

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1619285269, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 2 → 4 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 2 + 9 + 4 + 8 + 1 + 0 + 2 + 1 + 2 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1619285269.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
1010 LAKE ST, SUITE 422
OAK PARK, IL 60301
Internal Medicine
1010 LAKE ST, SUITE 106
OAK PARK, IL 60301
Psychologist (Clinical)
1010 LAKE ST, #607
OAK PARK, IL 60301
Counselor (Professional)
1010 LAKE ST, 502B
OAK PARK, IL 60301
Social Worker (Clinical)
1010 LAKE ST, SUITE NUMBER 616
OAK PARK, IL 60301
Dentist (General Practice)
1010 LAKE ST
OAK PARK, IL 60301
Family Medicine
1010 LAKE ST, SUITE 500
OAK PARK, IL 60301
Family Medicine
1010 LAKE ST, SUITE 500
OAK PARK, IL 60301
Psychologist (Clinical)
1010 LAKE ST, SUITE 601
OAK PARK, IL 60301
Dentist
1010 LAKE ST, SUITE 608
OAK PARK, IL 60301
Psychiatry & Neurology (Psychiatry)
1010 LAKE ST, SUITE 501-A
OAK PARK, IL 60301
Nurse Practitioner (Family)
1010 LAKE ST
OAK PARK, IL 60301
Dentist
1010 LAKE ST
OAK PARK, IL 60301
Social Worker (Clinical)
1010 LAKE ST, STE. 616
OAK PARK, IL 60301
Audiologist
1010 LAKE ST, SUITE 621
OAK PARK, IL 60301
Social Worker (Clinical)
1010 LAKE ST, SUITE 501A
OAK PARK, IL 60301
Counselor (Professional)
1010 LAKE ST
OAK PARK, IL 60301
Social Worker (Clinical)
1010 LAKE ST, STE 430
OAK PARK, IL 60301
Obstetrics & Gynecology
1010 LAKE ST, SUITE 507
OAK PARK, IL 60301
Obstetrics & Gynecology (Reproductive Endocrinology)
1010 LAKE ST, SUITE 507
OAK PARK, IL 60301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619285269, enumerated as an "organization" on September 16, 2010.

The provider is located at 1010 LAKE ST SUITE 109 OAK PARK, IL 60301 and the phone number is (708) 431-2245.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.