WILLIAM H NUESSE M D AND MARY ANN NUESSE D O A MEDICAL CORPORATION
NPI 1508994088
Clinic/Center in Orange, CA

NPI Status: Active since February 28, 2007

Contact Information

867 S TUSTIN ST
ORANGE, CA
ZIP 92866
Phone: (714) 771-1420
Fax: (714) 771-6918

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  • Organization
  • Clinic/Center

About WILLIAM H NUESSE M D AND MARY ANN NUESSE D O A MEDICAL CORPORATION

This page provides the complete NPI Profile along with additional information for William H Nuesse M D And Mary Ann Nuesse D O A Medical Corporation, a provider established in Orange, California operating as a Clinic/center. The healthcare provider is registered in the NPI registry with number 1508994088 assigned on February 2007. The practitioner's primary taxonomy code is 261Q00000X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's . The authorized official of this NPI record is Dr. William H. Nuesse M.d. (Medical Director)

NPI
1508994088
Provider Legal Name
WILLIAM H NUESSE M D AND MARY ANN NUESSE D O A MEDICAL CORPORATION
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
867 S TUSTIN ST ORANGE, CA 92866
Location Phone
(714) 771-1420
Location Fax
(714) 771-6918
Mailing Address
867 S TUSTIN ST ORANGE, CA 92866
Mailing Phone
(714) 771-1420
Mailing Fax
(714) 771-6918
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-28-2007
Last Update Date
10-09-2025
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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

Clinic/Center

Taxonomy Code
261Q00000X
Type
Ambulatory Health Care Facilities
Taxonomy Description
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).

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

DR. WILLIAM H. NUESSE M.D.

Authorized Official Title
MEDICAL DIRECTOR
Authorized Official Phone
(714) 771-1420

Reviews for WILLIAM H NUESSE M D AND MARY ANN NUESSE D O A MEDICAL CORPORATION

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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 1508994088, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 0 → 0 9 → 18 → 9 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 8 + 9 + 8 + 0 + 1 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1508994088.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

General Practice
867 S TUSTIN ST
ORANGE, CA 92866
Family Medicine
867 S TUSTIN ST
ORANGE, CA 92866
Physician Assistant
867 S TUSTIN ST
ORANGE, CA 92866
Family Medicine (Adult Medicine)
867 S TUSTIN ST
ORANGE, CA 92866
Family Medicine (Adult Medicine)
867 S TUSTIN ST
ORANGE, CA 92866
Physician Assistant
867 S TUSTIN ST
ORANGE, CA 92866
Nurse Practitioner (Family)
867 S TUSTIN ST
ORANGE, CA 92866
Chiropractor
867 S TUSTIN ST
ORANGE, CA 92866

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508994088, enumerated as an "organization" on February 28, 2007.

The provider is located at 867 S TUSTIN ST ORANGE, CA 92866 and the phone number is (714) 771-1420.

Clinic/Center with taxonomy code 261Q00000X.