DR. ALFRED BENG-CHYE TAY M.D.
NPI 1629202189
Obstetrics & Gynecology in Orange, CA

NPI Status: Active since May 12, 2009

Contact Information

370 N CHANDLER RANCH RD
ORANGE, CA
ZIP 92869
Phone: (714) 928-6796
Fax: (714) 997-9565

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  • Individual
  • Male
  • Obstetrics & Gynecology

About ALFRED TAY

This page provides the complete NPI Profile along with additional information for Alfred Tay, a women's health care provider established in Orange, California with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1629202189 assigned on May 2009. The practitioner's primary taxonomy code is 207V00000X with license number A25394 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1629202189
Provider Name
DR. ALFRED BENG-CHYE TAY M.D.
Gender
Male
Entity Type
Individual
Location Address
370 N CHANDLER RANCH RD ORANGE, CA 92869
Location Phone
(714) 928-6796
Location Fax
(714) 997-9565
Mailing Address
370 N CHANDLER RANCH RD ORANGE, CA 92869
Mailing Phone
(714) 928-6796
Mailing Fax
(714) 997-9565
Is Sole Proprietor?
Yes
Enumeration Date
05-12-2009
Last Update Date
05-12-2009
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Women's health care providers like Alfred Tay 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.

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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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
A25394
License State
CA
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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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 1629202189, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
2
Doubled → 4
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
9
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 2 → 4 2 → 4 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 4 + 9 + 4 + 0 + 4 + 1 + 1 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1629202189.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629202189, enumerated as an "individual" on May 12, 2009.

The provider is located at 370 N CHANDLER RANCH RD ORANGE, CA 92869 and the phone number is (714) 928-6796.

Obstetrics & Gynecology with taxonomy code 207V00000X.