DR. ROBERT MICHAEL CHANG M.D.
NPI 1275509648
Obstetrics & Gynecology in Kansas City, MO

NPI Status: Active since February 27, 2006

Contact Information

930 CARONDELET DR STE 201
KANSAS CITY, MO
ZIP 64114
Phone: (816) 941-2222

NPI Profile Information
Primary Taxonomy
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Obstetrics & Gynecology

About ROBERT CHANG

This page provides the complete NPI Profile along with additional information for Robert Chang, a women's health care provider established in Kansas City, Missouri with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1275509648 assigned on February 2006. The practitioner's primary taxonomy code is 207V00000X with license number 2002001998 (MO). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI: 1275509648
Provider Name: DR. ROBERT MICHAEL CHANG M.D.
Gender: Male
Entity Type: Individual
Location Address: 930 CARONDELET DR STE 201 KANSAS CITY, MO 64114
Location Phone: (816) 941-2222
Mailing Address: 1000 CARONDELET DR PROVIDER ENROLLMENT KANSAS CITY, MO 64114
Mailing Phone: (816) 943-5744
Is Sole Proprietor?: No
Enumeration Date: 02-27-2006
Last Update Date: 11-30-2018
Code Navigator

Women's health care providers like Robert 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

Secondary Locations

3450 NE Ralph Powell Rd
Lees Summit, MO 64064
(816) 246-7200

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.: 2002001998
License State: MO
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.

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 1275509648, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

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 7 → 14 → 5 5 → 10 → 1 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 1 + 0 + 0 + 1 + 8 + 6 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8

This NPI is valid

The calculated check digit is 8, which matches the last digit of 1275509648.