MIN SHONG CHANG MD A PROFESSIONAL CORPORATION
NPI 1790090751
Internal Medicine in Hayward, CA

NPI Status: Active since August 16, 2010

Contact Information

27171 CALAROGA AVE
SUITE 14
HAYWARD, CA
ZIP 94545
Phone: (510) 782-1972
Fax: (510) 782-1973

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  • Organization
  • Internal Medicine

About MIN SHONG CHANG MD A PROFESSIONAL CORPORATION

This page provides the complete NPI Profile along with additional information for Min Shong Chang Md A Professional Corporation, an internist established in Hayward, California operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1790090751 assigned on August 2010. The practitioner's primary taxonomy code is 207R00000X with license number A37315 (CA). The provider is registered as an organization and their NPI record was last updated 16 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Min Shong Chang M.d. (President)

NPI
1790090751
Provider Name
MIN SHONG CHANG MD A PROFESSIONAL CORPORATION
Entity Type
Organization
Location Address
27171 CALAROGA AVE SUITE 14 HAYWARD, CA 94545
Location Phone
(510) 782-1972
Location Fax
(510) 782-1973
Mailing Address
27171 CALAROGA AVE SUITE 14 HAYWARD, CA 94545
Mailing Phone
(510) 782-1972
Mailing Fax
(510) 782-1973
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-16-2010
Last Update Date
08-16-2010
Code Navigator

An internist like Min Shong Chang Md A Professional Corporation 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.
A37315
License State
CA
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

DR. MIN SHONG CHANG M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(510) 782-1972

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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 1790090751, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
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 9 → 18 → 9 0 → 0 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 0 + 9 + 0 + 7 + 1 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1790090751.

Other Providers at the Same Location


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

Internal Medicine
27171 CALAROGA AVE, SUITE 14
HAYWARD, CA 94545
Dentist (General Practice)
27171 CALAROGA AVE, SUITE # 11
HAYWARD, CA 94545
Home Health
27171 CALAROGA AVE, SUITE 12
HAYWARD, CA 94545
Home Health
27171 CALAROGA AVE, SUITE 12
HAYWARD, CA 94545

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790090751, enumerated as an "organization" on August 16, 2010.

The provider is located at 27171 CALAROGA AVE SUITE 14 HAYWARD, CA 94545 and the phone number is (510) 782-1972.

Internal Medicine with taxonomy code 207R00000X.