HEALTH CARE ADVOCATES INTERNATIONAL, INC.
NPI 1003353442
Internal Medicine in Stratford, CT

NPI Status: Active since January 24, 2017

Contact Information

2595 MAIN ST
STRATFORD, CT
ZIP 06615
Phone: (203) 345-0404
Fax: (203) 908-4110

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  • Organization
  • Internal Medicine
  • CLIA Number: 07D2341677
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 04-06-2028

About HEALTH CARE ADVOCATES INTERNATIONAL, INC.

This page provides the complete NPI Profile along with additional information for Health Care Advocates International, Inc., an internist established in Stratford, Connecticut operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1003353442 assigned on January 2017. The practitioner's primary taxonomy code is 207R00000X with license number 027524 (CT). The provider is registered as an organization and their NPI record was last updated March 2026. Health Care Advocates International, Inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Elysia Marie Cerreta-dial Aprn (Ao)

NPI
1003353442
Provider Legal Name
HEALTH CARE ADVOCATES INTERNATIONAL, INC.
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
2595 MAIN ST STRATFORD, CT 06615
Location Phone
(203) 345-0404
Location Fax
(203) 908-4110
Mailing Address
2595 MAIN ST STRATFORD, CT 06615
Mailing Phone
(203) 345-0404
Mailing Fax
(203) 908-4110
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-24-2017
Last Update Date
03-27-2026
Code Navigator

An internist like Health Care Advocates International, Inc. is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

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

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
027524
License State
CT
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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)
1207RI0200XAllopathic & Osteopathic Physicians

Internal Medicine
Infectious Disease

027524 (CT)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

ELYSIA MARIE CERRETA-DIAL APRN

Authorized Official Title
AO
Authorized Official Phone
(203) 345-0404

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
07D2341677
Facility Type
Physician Office
Certificate Effective Date
April 07, 2026
Certificate Expiration Date
April 06, 2028
Laboratory Director
ELYSIA M. CERRETA-DIAL
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Health Care Advocates International, Inc. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1003353442, 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
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 0 → 0 3 → 6 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 6 + 5 + 6 + 4 + 8 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1003353442.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Family Medicine
2595 MAIN ST, 2ND FLOOR
STRATFORD, CT 06615
Marriage & Family Therapist
2595 MAIN ST
STRATFORD, CT 06615
Nurse Practitioner (Gerontology)
2595 MAIN ST
STRATFORD, CT 06615
Nurse Practitioner (Gerontology)
2595 MAIN ST
STRATFORD, CT 06615

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003353442, enumerated as an "organization" on January 24, 2017.

The provider is located at 2595 MAIN ST STRATFORD, CT 06615 and the phone number is (203) 345-0404.

Internal Medicine with taxonomy code 207R00000X.