DR. ANGELA MARIE KAO M.D.
NPI 1902291891
Surgery - Pediatric Surgery in Fairfax, VA

NPI Status: Active since March 30, 2015

Contact Information

8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA
ZIP 22031
Phone: (571) 472-4300

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  • Individual
  • Female
  • Surgery
  • Pediatric Surgery
  • PECOS Enrolled

About ANGELA KAO

This page provides the complete NPI Profile along with additional information for Angela Kao, a provider established in Fairfax, Virginia with a medical specialization in Surgery, focusing in pediatric surgery . The healthcare provider is registered in the NPI registry with number 1902291891 assigned on March 2015. The practitioner's primary taxonomy code is 2086S0120X with license number 0101278032 (VA). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1902291891
Provider Name
DR. ANGELA MARIE KAO M.D.
Gender
Female
Entity Type
Individual
Location Address
8280 WILLOW OAKS CORPORATE DR STE 300 FAIRFAX, VA 22031
Location Phone
(571) 472-4300
Mailing Address
8280 WILLOW OAKS CORPORATE DR STE 300 FAIRFAX, VA 22031
Is Sole Proprietor?
Yes
Enumeration Date
03-30-2015
Last Update Date
03-25-2026
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Location Map

Secondary Locations

  • 3300 Gallows Rd
    Falls Church, VA 22042
    (703) 776-4001
  • 1000 Blythe Blvd
    Charlotte, NC 28203
    (309) 825-0248

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

Surgery Pediatric Surgery

Taxonomy Code
2086S0120X
Type
Allopathic & Osteopathic Physicians
License No.
0101278032
License State
VA
Taxonomy Description
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.

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)
1208600000XAllopathic & Osteopathic Physicians

Surgery

0101278032 (VA)
2390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Medicare Participation & PECOS Enrollment Status

Angela Kao 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

Reviews for DR. ANGELA MARIE KAO M.D.

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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 1902291891, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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
9
Unchanged
Pos 3
0
Doubled → 0
Pos 4
2
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 0 → 0 2 → 4 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 0 + 2 + 4 + 9 + 2 + 8 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1902291891.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Speech-Language Pathologist
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Dietitian, Registered
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Pediatrics
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Pediatrics (Developmental - Behavioral Pediatrics)
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Pediatrics (Pediatric Cardiology)
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Dietitian, Registered
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Registered Nurse
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Otolaryngology (Pediatric Otolaryngology)
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Psychologist
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Pediatrics (Pediatric Endocrinology)
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902291891, enumerated as an "individual" on March 30, 2015.

The provider is located at 8280 WILLOW OAKS CORPORATE DR STE 300 FAIRFAX, VA 22031 and the phone number is (571) 472-4300.

Surgery with taxonomy code 2086S0120X and a focus in Pediatric Surgery.