DR. KUO C CHANG M.D.
NPI 1518940162
Specialist in Tigard, OR

NPI Status: Active since November 28, 2005

Contact Information

9735 SW SHADY LN
#102
TIGARD, OR
ZIP 97223
Phone: (503) 620-5614
Fax: (503) 598-4688

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NPPES record last updated: August 12, 2008. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Male
  • Specialist
  • PECOS Enrolled

About KUO CHANG

This page provides the complete NPI Profile along with additional information for Kuo Chang, a provider established in Tigard, Oregon with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1518940162 assigned on November 2005. The practitioner's primary taxonomy code is 174400000X with license number 10546 (OR). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1518940162
Provider Name
DR. KUO C CHANG M.D.
Gender
Male
Entity Type
Individual
Location Address
9735 SW SHADY LN #102 TIGARD, OR 97223
Location Phone
(503) 620-5614
Location Fax
(503) 598-4688
Mailing Address
9735 SW SHADY LN #102 TIGARD, OR 97223
Mailing Phone
(503) 620-5614
Mailing Fax
(503) 598-4688
Is Sole Proprietor?
No
Enumeration Date
11-28-2005
Last Update Date
08-12-2008
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
10546
License State
OR
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
243550MEDICAID (05)OR 
R117292MEDICARE PIN (08)OR 
C94241MEDICARE UPIN (02)OR 
R117290MEDICARE PIN (08)OR 

Medicare Participation & PECOS Enrollment Status

Kuo Chang is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 10-19 minutes

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 11 times for 11 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 16 times for 16 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 12 times for 12 patients

Professional service for multiple injections of allergen

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

This service was performed 63 times for 17 patients

Professional service for single injection of allergen

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

This service was performed 77 times for 16 patients

Reviews for DR. KUO C CHANG M.D.

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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 1518940162, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
5
Unchanged
Pos 3
1
Doubled → 2
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
2
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 9 → 18 → 9 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 2 + 8 + 1 + 8 + 4 + 0 + 1 + 1 + 2 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1518940162.

Other Providers at the Same Location


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

Physician Assistant (Medical)
9735 SW SHADY LN, #102
TIGARD, OR 97223
Family Medicine
9735 SW SHADY LN, SUITE 100
TIGARD, OR 97223
Dentist
9735 SW SHADY LN, SUITE #307
TIGARD, OR 97223
Clinic/Center (Primary Care)
9735 SW SHADY LN, SUITE 100
TIGARD, OR 97223
Physical Therapist
9735 SW SHADY LN, SUITE 100
TIGARD, OR 97223
Acupuncturist
9735 SW SHADY LN, SUITE 306
TIGARD, OR 97223
Massage Therapist
9735 SW SHADY LN, SUITE 103
TIGARD, OR 97223
General Practice
9735 SW SHADY LN, #203
TIGARD, OR 97223
Psychiatry & Neurology (Neurology)
9735 SW SHADY LN, SUITE 201
TIGARD, OR 97223
Mechanotherapist
9735 SW SHADY LN, STE. 306
TIGARD, OR 97223
Chiropractor
9735 SW SHADY LN, SUITE 303
TIGARD, OR 97223
Chiropractor
9735 SW SHADY LN, SUITE 303
TIGARD, OR 97223
Acupuncturist
9735 SW SHADY LN
TIGARD, OR 97223
Naturopath
9735 SW SHADY LN, SUITE 306
TIGARD, OR 97223
Acupuncturist
9735 SW SHADY LN, SUITE 306
TIGARD, OR 97223
Allergy & Immunology
9735 SW SHADY LN, STE 102
TIGARD, OR 97223
Physical Therapist
9735 SW SHADY LN
TIGARD, OR 97223
Physician Assistant
9735 SW SHADY LN, SUTIE 100
TIGARD, OR 97223
Social Worker (Clinical)
9735 SW SHADY LN
TIGARD, OR 97223
Counselor (Professional)
9735 SW SHADY LN
TIGARD, OR 97223

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518940162, enumerated as an "individual" on November 28, 2005.

The provider is located at 9735 SW SHADY LN #102 TIGARD, OR 97223 and the phone number is (503) 620-5614.

Specialist with taxonomy code 174400000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.