DR. CHRIS C.W. CHAN M.D.
NPI 1013112994
Internal Medicine in Saint Louis, MO

NPI Status: Active since June 19, 2007

Contact Information

3635 VISTA AVE
SAINT LOUIS, MO
ZIP 63110
Phone: (314) 577-8000

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  • Individual
  • Male
  • Internal Medicine

About CHRIS CHAN

This page provides the complete NPI Profile along with additional information for Chris Chan, an internist established in Saint Louis, Missouri with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1013112994 assigned on June 2007. The practitioner's primary taxonomy code is 207R00000X with license number 2006016945 (MO). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1013112994
Provider Name
DR. CHRIS C.W. CHAN M.D.
Gender
Male
Entity Type
Individual
Location Address
3635 VISTA AVE SAINT LOUIS, MO 63110
Location Phone
(314) 577-8000
Mailing Address
275 UNION BLVD APT #1604 SAINT LOUIS, MO 63108
Mailing Phone
(314) 363-3204
Is Sole Proprietor?
Yes
Enumeration Date
06-19-2007
Last Update Date
07-08-2007
Code Navigator

An internist like Chris Chan 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.
2006016945
License State
MO
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.

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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 1013112994, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
1
Doubled → 2
Pos 4
3
Unchanged
Pos 5
1
Doubled → 2
Pos 6
1
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 1 → 2 1 → 2 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 2 + 1 + 4 + 9 + 1 + 8 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1013112994.

Other Providers at the Same Location


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

Anesthesiology
3635 VISTA AVE
SAINT LOUIS, MO 63110
Pathology (Anatomic Pathology & Clinical Pathology)
3635 VISTA AVE, SAINT LOUIS UNIVERSITY PATHOLOGY SERVICES
SAINT LOUIS, MO 63110
Specialist
3635 VISTA AVE, FDT 13TH FLOOR
SAINT LOUIS, MO 63110
Anesthesiology
3635 VISTA AVE
SAINT LOUIS, MO 63110
Anesthesiology
3635 VISTA AVE
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
3635 VISTA AVE
SAINT LOUIS, MO 63110
Internal Medicine (Infectious Disease)
3635 VISTA AVE
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
3635 VISTA AVE
SAINT LOUIS, MO 63110
Clinical Nurse Specialist (Medical-Surgical)
3635 VISTA AVE
SAINT LOUIS, MO 63110
Internal Medicine (Cardiovascular Disease)
3635 VISTA AVE, 14TH FLOOR
SAINT LOUIS, MO 63110
Emergency Medicine
3635 VISTA AVE, WEST PAVILION, ROOM 315
SAINT LOUIS, MO 63110
Emergency Medicine
3635 VISTA AVE, WEST PAVILION, ROOM 315
SAINT LOUIS, MO 63110
Emergency Medicine
3635 VISTA AVE, WEST PAVILION, ROOM 315
SAINT LOUIS, MO 63110
Emergency Medicine
3635 VISTA AVE, WEST PAVILION, ROOM 315
SAINT LOUIS, MO 63110
Emergency Medicine
3635 VISTA AVE, WEST PAVILION, ROOM 315
SAINT LOUIS, MO 63110
Emergency Medicine
3635 VISTA AVE, WEST PAVILION, RM 315
SAINT LOUIS, MO 63110
Internal Medicine (Cardiovascular Disease)
3635 VISTA AVE, 13TH FLOOR FDT
SAINT LOUIS, MO 63110
Nurse Practitioner (Acute Care)
3635 VISTA AVE
SAINT LOUIS, MO 63110
Registered Nurse (Critical Care Medicine)
3635 VISTA AVE
SAINT LOUIS, MO 63110
Nurse Practitioner (Acute Care)
3635 VISTA AVE
SAINT LOUIS, MO 63110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1013112994, enumerated as an "individual" on June 19, 2007.

The provider is located at 3635 VISTA AVE SAINT LOUIS, MO 63110 and the phone number is (314) 577-8000.

Internal Medicine with taxonomy code 207R00000X.