CHRIS CHUNG, MD, INC.
NPI 1003022419
Family Medicine - Sports Medicine in San Jose, CA

NPI Status: Active since May 15, 2007

Contact Information

455 OCONNOR DR
#150
SAN JOSE, CA
ZIP 95128
Phone: (408) 293-7767
Fax: (408) 294-6595

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  • Organization
  • Family Medicine
  • Sports Medicine

About CHRIS CHUNG, MD, INC.

This page provides the complete NPI Profile along with additional information for Chris Chung, Md, Inc., a primary care provider established in San Jose, California operating as a Family Medicine, focusing in sports medicine . The healthcare provider is registered in the NPI registry with number 1003022419 assigned on May 2007. The practitioner's primary taxonomy code is 207QS0010X with license number A54870 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. Chris Chung, Md, Inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Chris Enchul Chung (Ceo)

NPI
1003022419
Provider Name
CHRIS CHUNG, MD, INC.
Entity Type
Organization
Location Address
455 OCONNOR DR #150 SAN JOSE, CA 95128
Location Phone
(408) 293-7767
Location Fax
(408) 294-6595
Mailing Address
455 OCONNOR DR #150 SAN JOSE, CA 95128
Mailing Phone
(408) 293-7767
Mailing Fax
(408) 294-6595
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-15-2007
Last Update Date
09-11-2025
Code Navigator

A primary care provider (PCP) like Chris Chung, Md, Inc. sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine Sports Medicine

Taxonomy Code
207QS0010X
Type
Allopathic & Osteopathic Physicians
License No.
A54870
License State
CA
Taxonomy Description
A family medicine physician that is trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have knowledge and experience in the promotion of wellness and the prevention of injury. Knowledge about special areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment and prevention and referral practice) and the role of exercise in promoting a healthy lifestyle are essential to the practice of sports medicine. The sports medicine physician requires special education to provide the knowledge to improve the health care of the individual engaged in physical exercise (sports) whether as an individual or in team participation.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

A54870 (CA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

CHRIS ENCHUL CHUNG

Authorized Official Title
CEO
Authorized Official Phone
(408) 293-7767

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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 1003022419, 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 41. The final step is to find the difference between that total and the next multiple of ten (50 - 41 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
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 0 → 0 0 → 0 2 → 4 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 0 + 2 + 4 + 4 + 2 + 24 = 41

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

The next multiple of ten after 41 is 50. The difference is the calculated check digit.

50 - 41 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1003022419.

Other Providers at the Same Location


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

Family Medicine
455 OCONNOR DR, SUITE 210
SAN JOSE, CA 95128
Orthopaedic Surgery
455 OCONNOR DR, SUITE 310
SAN JOSE, CA 95128
Surgery (Vascular Surgery)
455 OCONNOR DR, SUITE 370
SAN JOSE, CA 95128
Internal Medicine
455 OCONNOR DR, SUITE 150
SAN JOSE, CA 95128
Specialist
455 OCONNOR DR, SUITE 180B
SAN JOSE, CA 95128
Family Medicine
455 OCONNOR DR, STE210
SAN JOSE, CA 95128
Family Medicine (Geriatric Medicine)
455 OCONNOR DR, STE 210
SAN JOSE, CA 95128
Family Medicine
455 OCONNOR DR, SUITE 210
SAN JOSE, CA 95128
Family Medicine
455 OCONNOR DR, STE 210
SAN JOSE, CA 95128
Family Medicine
455 OCONNOR DR, SUITE 210
SAN JOSE, CA 95128
Family Medicine
455 OCONNOR DR, STE 210
SAN JOSE, CA 95128
Physical Therapy Assistant
455 OCONNOR DR
SAN JOSE, CA 95128
Physician Assistant (Surgical)
455 OCONNOR DR, SUITE 310 B
SAN JOSE, CA 95128
Advanced Practice Midwife
455 OCONNOR DR, STE 300
SAN JOSE, CA 95128
Surgery
455 OCONNOR DR, SUITE 370
SAN JOSE, CA 95128
Specialist/Technologist (Athletic Trainer)
455 OCONNOR DR, SUITE 150
SAN JOSE, CA 95128
Family Medicine
455 OCONNOR DR, SUITE 210
SAN JOSE, CA 95128
Family Medicine
455 OCONNOR DR, SUITE 200
SAN JOSE, CA 95128
Durable Medical Equipment & Medical Supplies (Customized Equipment)
455 OCONNOR DR, 320
SAN JOSE, CA 95128
Internal Medicine (Nephrology)
455 OCONNOR DR, SUITE 290
SAN JOSE, CA 95128

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003022419, enumerated as an "organization" on May 15, 2007.

The provider is located at 455 OCONNOR DR #150 SAN JOSE, CA 95128 and the phone number is (408) 293-7767.

Family Medicine with taxonomy code 207QS0010X and a focus in Sports Medicine.