DEANNA MARIE BAKER LMSW
NPI 1720923451
Social Worker in Port Jefferson, NY

NPI Status: Active since April 20, 2026

Contact Information

646 MAIN ST
PORT JEFFERSON, NY
ZIP 11777
Phone: (631) 802-2566

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  • Individual
  • Female
  • Social Worker

About DEANNA BAKER

This page provides the complete NPI Profile along with additional information for Deanna Baker, a provider established in Port Jefferson, New York with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1720923451 assigned on April 2026. The practitioner's primary taxonomy code is 104100000X with license number 129587 (NY). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1720923451
Provider Name
DEANNA MARIE BAKER LMSW
Gender
Female
Entity Type
Individual
Location Address
646 MAIN ST PORT JEFFERSON, NY 11777
Location Phone
(631) 802-2566
Mailing Address
57 ABINET CT SELDEN, NY 11784
Mailing Phone
(631) 335-0425
Is Sole Proprietor?
No
Enumeration Date
04-20-2026
Last Update Date
04-20-2026
Code Navigator

A social worker like Deanna Baker helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

Location Map

Secondary Locations

  • 57 Abinet Ct
    Selden, NY 11784
    (631) 335-0425

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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
129587
License State
NY
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

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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 1720923451, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
7
Unchanged
Pos 3
2
Doubled → 4
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
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 2 → 4 9 → 18 → 9 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 1 + 8 + 2 + 6 + 4 + 1 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1720923451.

Other Providers at the Same Location


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

Clinical Neuropsychologist
646 MAIN ST
PORT JEFFERSON, NY 11777
Psychologist (Clinical)
646 MAIN ST, 2ND FLOOR, SUITE 203
PORT JEFFERSON, NY 11777
Social Worker
646 MAIN ST
PORT JEFFERSON, NY 11777
Psychologist
646 MAIN ST
PORT JEFFERSON, NY 11777
Psychologist (Clinical Child & Adolescent)
646 MAIN ST
PORT JEFFERSON, NY 11777
Counselor (Mental Health)
646 MAIN ST
PORT JEFFERSON, NY 11777
Psychologist (Clinical)
646 MAIN ST
PORT JEFFERSON, NY 11777
Psychiatry & Neurology (Psychiatry)
646 MAIN ST
PORT JEFFERSON, NY 11777
Social Worker (Clinical)
646 MAIN ST, LOWER LEVEL
PORT JEFFERSON, NY 11777
Social Worker (Clinical)
646 MAIN ST
PORT JEFFERSON, NY 11777
Home Health
646 MAIN ST
PORT JEFFERSON, NY 11777
Nurse Practitioner (Psychiatric/Mental Health)
646 MAIN ST, SUITE 201
PORT JEFFERSON, NY 11777
Clinic/Center (Mental Health (Including Community Mental Health Center))
646 MAIN ST, SUITE 201
PORT JEFFERSON, NY 11777
Psychologist
646 MAIN ST
PORT JEFFERSON, NY 11777
Psychologist
646 MAIN ST
PORT JEFFERSON, NY 11777
Psychologist (Clinical)
646 MAIN ST
PORT JEFFERSON, NY 11777
Social Worker (Clinical)
646 MAIN ST
PORT JEFFERSON, NY 11777
Dietitian, Registered
646 MAIN ST
PORT JEFFERSON, NY 11777
Social Worker (Clinical)
646 MAIN ST
PORT JEFFERSON, NY 11777
Social Worker
646 MAIN ST
PORT JEFFERSON, NY 11777

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720923451, enumerated as an "individual" on April 20, 2026.

The provider is located at 646 MAIN ST PORT JEFFERSON, NY 11777 and the phone number is (631) 802-2566.

Social Worker with taxonomy code 104100000X.