CHRISTIANA MILLS LCSW
NPI 1689694432
Social Worker in New Haven, CT

NPI Status: Active since July 21, 2006

Contact Information

800 HOWARD AVE
YALE PHYSICIANS BLDG
NEW HAVEN, CT
ZIP 06519
Phone: (203) 785-2140
Fax: (203) 785-6414

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  • Individual
  • Female
  • Social Worker

About CHRISTIANA MILLS

This page provides the complete NPI Profile along with additional information for Christiana Mills, a provider established in New Haven, Connecticut with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1689694432 assigned on July 2006. The practitioner's primary taxonomy code is 104100000X with license number 004934 (CT). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1689694432
Provider Name
CHRISTIANA MILLS LCSW
Gender
Female
Entity Type
Individual
Location Address
800 HOWARD AVE YALE PHYSICIANS BLDG NEW HAVEN, CT 06519
Location Phone
(203) 785-2140
Location Fax
(203) 785-6414
Mailing Address
PO BOX 9805 300 GEORGE ST 6TH FLR NEW HAVEN, CT 06536
Mailing Phone
(203) 785-7998
Mailing Fax
(203) 785-6414
Is Sole Proprietor?
No
Enumeration Date
07-21-2006
Last Update Date
05-12-2025
Code Navigator

A social worker like Christiana Mills 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.

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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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
004934
License State
CT
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

004934 (CT)

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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 1689694432, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
2
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 8 → 16 → 7 6 → 12 → 3 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 2 + 9 + 8 + 4 + 6 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1689694432.

Other Providers at the Same Location


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

Internal Medicine (Medical Oncology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING - 2ND FLOOR
NEW HAVEN, CT 06519
Social Worker
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519
Internal Medicine (Interventional Cardiology)
800 HOWARD AVE, YPB - 2ND FLOOR
NEW HAVEN, CT 06519
Obstetrics & Gynecology
800 HOWARD AVE, YALE PHYSICIAN'S BUILDING, 3RD FLOOR
NEW HAVEN, CT 06519
Internal Medicine (Cardiovascular Disease)
800 HOWARD AVE, YALE PHYSICIANS' BUILDING, 2ND FLOOR
NEW HAVEN, CT 06519
Obstetrics & Gynecology (Gynecology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING- 3RD FLOOR
NEW HAVEN, CT 06519
Internal Medicine (Cardiovascular Disease)
800 HOWARD AVE, YALE PHYSICIANS' BUILDING; DEPT. OF CARDIOLOGY
NEW HAVEN, CT 06519
Emergency Medicine
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519
Internal Medicine (Medical Oncology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING - 2ND FLOOR
NEW HAVEN, CT 06519
Obstetrics & Gynecology (Gynecologic Oncology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519
Psychologist
800 HOWARD AVE
NEW HAVEN, CT 06519
Psychiatry & Neurology (Psychiatry)
800 HOWARD AVE, YALE PHYSICIANS BLDG
NEW HAVEN, CT 06519
Pathology (Anatomic Pathology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519
Pathology (Anatomic Pathology & Clinical Pathology)
800 HOWARD AVE
NEW HAVEN, CT 06519
Psychiatry & Neurology (Psychiatry)
800 HOWARD AVE, YALE PHYSICIANS BLDG
NEW HAVEN, CT 06519
Internal Medicine (Cardiovascular Disease)
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519
Medical Genetics (Clinical Genetics (M.D.))
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519
Internal Medicine (Medical Oncology)
800 HOWARD AVE, YALE PHYSICIANS' BUILDING, 2ND FLOOR
NEW HAVEN, CT 06519
Physician Assistant
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519
Dermatology
800 HOWARD AVE, YALE PHYSICIANS BUILDING
NEW HAVEN, CT 06519

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689694432, enumerated as an "individual" on July 21, 2006.

The provider is located at 800 HOWARD AVE YALE PHYSICIANS BLDG NEW HAVEN, CT 06519 and the phone number is (203) 785-2140.

Social Worker with taxonomy code 104100000X.