EFFIE C CHANG MD
NPI 1487668943
Obstetrics & Gynecology - Gynecology in New Haven, CT

NPI Status: Active since July 28, 2006

Contact Information

136 SHERMAN AVE
STE 302
NEW HAVEN, CT
ZIP 06511
Phone: (203) 776-5360
Fax: (203) 787-4990

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  • Individual
  • Female
  • Obstetrics & Gynecology
  • Gynecology

About EFFIE CHANG

This page provides the complete NPI Profile along with additional information for Effie Chang, a women's health care provider established in New Haven, Connecticut with a medical specialization in Obstetrics & Gynecology, focusing in gynecology . The healthcare provider is registered in the NPI registry with number 1487668943 assigned on July 2006. The practitioner's primary taxonomy code is 207VG0400X with license number 17026 (CT). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1487668943
Provider Name
EFFIE C CHANG MD
Gender
Female
Entity Type
Individual
Location Address
136 SHERMAN AVE STE 302 NEW HAVEN, CT 06511
Location Phone
(203) 776-5360
Location Fax
(203) 787-4990
Mailing Address
136 SHERMAN AVE STE 302 NEW HAVEN, CT 06511
Mailing Phone
(203) 776-5360
Mailing Fax
(203) 787-4990
Is Sole Proprietor?
No
Enumeration Date
07-28-2006
Last Update Date
01-29-2010
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Women's health care providers like Effie Chang treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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

Obstetrics & Gynecology Gynecology

Taxonomy Code
207VG0400X
Type
Allopathic & Osteopathic Physicians
License No.
17026
License State
CT
Taxonomy Description
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
0468300001OTHER (01)CTDMERC
B38191MEDICARE UPIN (02) 
160000529MEDICARE ID-TYPE UNSPECIFIED (04)CT 
0468300001OTHER (01)CTMEDICARE NSC
010017026CT01OTHER (01)ANTHEM BC

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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 1487668943, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 2 + 6 + 1 + 6 + 9 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1487668943.

Other Providers at the Same Location


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

Physician Assistant
136 SHERMAN AVE, SUITE 405
NEW HAVEN, CT 06511
Physician Assistant
136 SHERMAN AVE, SUITE 405
NEW HAVEN, CT 06511
Registered Nurse
136 SHERMAN AVE, SUITE 405
NEW HAVEN, CT 06511
Internal Medicine (Nephrology)
136 SHERMAN AVE, SUITE 405
NEW HAVEN, CT 06511
Internal Medicine (Nephrology)
136 SHERMAN AVE, SUITE 405
NEW HAVEN, CT 06511
Internal Medicine (Nephrology)
136 SHERMAN AVE, SUITE 405
NEW HAVEN, CT 06511
Internal Medicine (Nephrology)
136 SHERMAN AVE, SUITE 405
NEW HAVEN, CT 06511
Internal Medicine (Nephrology)
136 SHERMAN AVE, STE 405
NEW HAVEN, CT 06511
Internal Medicine (Nephrology)
136 SHERMAN AVE, SUITE 405
NEW HAVEN, CT 06511
Physician Assistant
136 SHERMAN AVE, STE 405
NEW HAVEN, CT 06511
Internal Medicine (Nephrology)
136 SHERMAN AVE, STE 405
NEW HAVEN, CT 06511
Internal Medicine (Nephrology)
136 SHERMAN AVE, STE 405
NEW HAVEN, CT 06511
Specialist
136 SHERMAN AVE, SUITE 505
NEW HAVEN, CT 06511
Dentist (Oral and Maxillofacial Surgery)
136 SHERMAN AVE, SUITE #402
NEW HAVEN, CT 06511
Plastic Surgery
136 SHERMAN AVE, #407
NEW HAVEN, CT 06511
Surgery
136 SHERMAN AVE, SUITE 308
NEW HAVEN, CT 06511
Internal Medicine (Rheumatology)
136 SHERMAN AVE, SUITE 104
NEW HAVEN, CT 06511
Internal Medicine (Rheumatology)
136 SHERMAN AVE
NEW HAVEN, CT 06511
Podiatrist
136 SHERMAN AVE, SUITE 202
NEW HAVEN, CT 06511
Psychiatry & Neurology (Child & Adolescent Psychiatry)
136 SHERMAN AVE
NEW HAVEN, CT 06511

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487668943, enumerated as an "individual" on July 28, 2006.

The provider is located at 136 SHERMAN AVE STE 302 NEW HAVEN, CT 06511 and the phone number is (203) 776-5360.

Obstetrics & Gynecology with taxonomy code 207VG0400X and a focus in Gynecology.

The provider might be accepting Accepts: Medicare, Medicaid and Anthem Blue Cross. Please consult your insurance carrier or call the provider to verify.