XUAN HAO THI DOAN PA
NPI 1831802578
Physician Assistant - Medical in Fountain Valley, CA

NPI Status: Active since December 27, 2022

Contact Information

11100 WARNER AVE
FOUNTAIN VALLEY, CA
ZIP 92708
Phone: (714) 434-4990

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  • Individual
  • Female
  • Physician Assistant
  • Medical
  • PECOS Enrolled

About XUAN HAO DOAN

This page provides the complete NPI Profile along with additional information for Xuan Hao Doan, a primary care provider established in Fountain Valley, California with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1831802578 assigned on December 2022. The practitioner's primary taxonomy code is 363AM0700X with license number PA61762 (CA). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1831802578
Provider Name
XUAN HAO THI DOAN PA
Gender
Female
Entity Type
Individual
Location Address
11100 WARNER AVE FOUNTAIN VALLEY, CA 92708
Location Phone
(714) 434-4990
Mailing Address
11100 WARNER AVE FOUNTAIN VALLEY, CA 92708
Mailing Phone
(714) 434-4990
Is Sole Proprietor?
No
Enumeration Date
12-27-2022
Last Update Date
03-05-2026
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A primary care provider (PCP) like Xuan Hao Doan 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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
PA61762
License State
CA

Medicare Participation & PECOS Enrollment Status

Xuan Hao Doan 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

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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 1831802578, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
8
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 3 → 6 8 → 16 → 7 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 1 + 6 + 0 + 4 + 5 + 1 + 4 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1831802578.

Other Providers at the Same Location


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

Podiatrist (Foot & Ankle Surgery)
11100 WARNER AVE, SUITE 306
FOUNTAIN VALLEY, CA 92708
Dentist (Pediatric Dentistry)
11100 WARNER AVE
FOUNTAIN VALLEY, CA 92708
Specialist
11100 WARNER AVE, SUITE 258
FOUNTAIN VALLEY, CA 92708
Ophthalmology
11100 WARNER AVE, SUITE 104
FOUNTAIN VALLEY, CA 92708
Thoracic Surgery (Cardiothoracic Vascular Surgery)
11100 WARNER AVE, SUITE 258
FOUNTAIN VALLEY, CA 92708
Surgery
11100 WARNER AVE, SUITE #320A
FOUNTAIN VALLEY, CA 92708
Dermatology
11100 WARNER AVE, 264
FOUNTAIN VALLEY, CA 92708
Internal Medicine
11100 WARNER AVE, SUITE 154
FOUNTAIN VALLEY, CA 92708
Specialist
11100 WARNER AVE, SUITE # 262
FOUNTAIN VALLEY, CA 92708
Family Medicine
11100 WARNER AVE, STE 100
FOUNTAIN VALLEY, CA 92708
Family Medicine
11100 WARNER AVE, #120
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Endocrinology, Diabetes & Metabolism)
11100 WARNER AVE, SUITE 354
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Endocrinology, Diabetes & Metabolism)
11100 WARNER AVE, SUITE 254
FOUNTAIN VALLEY, CA 92708
Pediatrics
11100 WARNER AVE, SUITE 362
FOUNTAIN VALLEY, CA 92708
Internal Medicine
11100 WARNER AVE, SUITE 154
FOUNTAIN VALLEY, CA 92708
Pediatrics
11100 WARNER AVE, SUITE # 116
FOUNTAIN VALLEY, CA 92708
Internal Medicine
11100 WARNER AVE, #154
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Gastroenterology)
11100 WARNER AVE, SUITE 268
FOUNTAIN VALLEY, CA 92708
Plastic Surgery
11100 WARNER AVE, STE #202
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Cardiovascular Disease)
11100 WARNER AVE, #268
FOUNTAIN VALLEY, CA 92708

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831802578, enumerated as an "individual" on December 27, 2022.

The provider is located at 11100 WARNER AVE FOUNTAIN VALLEY, CA 92708 and the phone number is (714) 434-4990.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.