DR. CAITLIN BROWN DUNNING PSY.D.
NPI 1093979544
Psychologist - Clinical Child & Adolescent in Ellicott City, MD

NPI Status: Active since July 14, 2008

Contact Information

4785 DORSEY HALL DR
SUITE 125
ELLICOTT CITY, MD
ZIP 21042
Phone: (410) 599-5617

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  • Individual
  • Female
  • Psychologist
  • Clinical Child & Adolescent

About CAITLIN DUNNING

This page provides the complete NPI Profile along with additional information for Caitlin Dunning, a provider established in Ellicott City, Maryland with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1093979544 assigned on July 2008. The practitioner's primary taxonomy code is 103TC2200X with license number 04498 (MD). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1093979544
Provider Name
DR. CAITLIN BROWN DUNNING PSY.D.
Other Name
DR. CAITLIN DUNNING JOY PSY.D.
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
4785 DORSEY HALL DR SUITE 125 ELLICOTT CITY, MD 21042
Location Phone
(410) 599-5617
Mailing Address
4785 DORSEY HALL DR STE 125 ELLICOTT CITY, MD 21042
Mailing Phone
(443) 574-4405
Is Sole Proprietor?
Yes
Enumeration Date
07-14-2008
Last Update Date
08-09-2025
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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 Child & Adolescent

Taxonomy Code
103TC2200X
Type
Behavioral Health & Social Service Providers
License No.
04498
License State
MD
Taxonomy Description
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.

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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 1093979544, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
Check
4
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 9 → 18 → 9 9 → 18 → 9 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 8 + 3 + 1 + 8 + 7 + 1 + 8 + 5 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1093979544.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Counselor (Professional)
4785 DORSEY HALL DR
ELLICOTT CITY, MD 21042
Otolaryngology (Facial Plastic Surgery)
4785 DORSEY HALL DR, SUITE 111
ELLICOTT CITY, MD 21042
Chiropractor
4785 DORSEY HALL DR, SUITE 124
ELLICOTT CITY, MD 21042
Psychologist (Clinical Child & Adolescent)
4785 DORSEY HALL DR, SUITE 109
ELLICOTT CITY, MD 21042
Psychologist (Clinical)
4785 DORSEY HALL DR
ELLICOTT CITY, MD 21042

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093979544, enumerated as an "individual" on July 14, 2008.

The provider is located at 4785 DORSEY HALL DR SUITE 125 ELLICOTT CITY, MD 21042 and the phone number is (410) 599-5617.

Psychologist with taxonomy code 103TC2200X and a focus in Clinical Child & Adolescent.