WATSON A. DESA, MD, A MEDICAL CORP
NPI 1982616439
Clinic/Center - Medical Specialty in Long Beach, CA

NPI Status: Active since August 13, 2006

Contact Information

1050 LINDEN AVE
LONG BEACH, CA
ZIP 90813
Phone: (562) 594-6080
Fax: (562) 594-6030

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  • Organization
  • Clinic/Center
  • Medical Specialty

About WATSON A. DESA, MD, A MEDICAL CORP

This page provides the complete NPI Profile along with additional information for Watson A. Desa, Md, A Medical Corp, a provider established in Long Beach, California operating as a Clinic/center, focusing in medical specialty . The healthcare provider is registered in the NPI registry with number 1982616439 assigned on August 2006. The practitioner's primary taxonomy code is 261QM2500X with license number A32717 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Dr. Watson Antonio Desa M.d. (Owner)

NPI
1982616439
Provider Name
WATSON A. DESA, MD, A MEDICAL CORP
Entity Type
Organization
Location Address
1050 LINDEN AVE LONG BEACH, CA 90813
Location Phone
(562) 594-6080
Location Fax
(562) 594-6030
Mailing Address
PO BOX 708 LOS ALAMITOS, CA 90720
Mailing Phone
(562) 594-6080
Mailing Fax
(562) 594-6030
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-13-2006
Last Update Date
10-30-2025
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Location Map

Secondary Locations

  • 3751 Katella Ave
    Los Alamitos, CA 90720
    (562) 594-6080
  • 3700 South St
    Lakewood, CA 90712
    (562) 594-6080

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 Medical Specialty

Taxonomy Code
261QM2500X
Type
Ambulatory Health Care Facilities
License No.
A32717
License State
CA
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).

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. WATSON ANTONIO DESA M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(562) 594-6080

Reviews for WATSON A. DESA, MD, A MEDICAL CORP

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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 1982616439, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
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 8 → 16 → 7 6 → 12 → 3 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 2 + 1 + 1 + 2 + 4 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1982616439.

Other Providers at the Same Location


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

Anesthesiology
1050 LINDEN AVE
LONG BEACH, CA 90813
Anesthesiology
1050 LINDEN AVE
LONG BEACH, CA 90813
Anesthesiology
1050 LINDEN AVE
LONG BEACH, CA 90813
Anesthesiology
1050 LINDEN AVE
LONG BEACH, CA 90813
Anesthesiology
1050 LINDEN AVE
LONG BEACH, CA 90813
Emergency Medicine
1050 LINDEN AVE
LONG BEACH, CA 90813
Anesthesiology
1050 LINDEN AVE
LONG BEACH, CA 90813
Nurse Practitioner
1050 LINDEN AVE, EMPLOYEE HEALTH CLINIC
LONG BEACH, CA 90813
Anesthesiology
1050 LINDEN AVE
LONG BEACH, CA 90813
Emergency Medicine
1050 LINDEN AVE
LONG BEACH, CA 90813
Hospitalist
1050 LINDEN AVE
LONG BEACH, CA 90813
Anesthesiology
1050 LINDEN AVE
LONG BEACH, CA 90813
Internal Medicine
1050 LINDEN AVE, DEPARTMENT OF MEDICAL EDUCATION
LONG BEACH, CA 90813
Internal Medicine
1050 LINDEN AVE
LONG BEACH, CA 90813
Pediatrics (Neonatal-Perinatal Medicine)
1050 LINDEN AVE, NICU
LONG BEACH, CA 90813
Physical Medicine & Rehabilitation
1050 LINDEN AVE
LONG BEACH, CA 90813
Pathology (Anatomic Pathology & Clinical Pathology)
1050 LINDEN AVE
LONG BEACH, CA 90813
Physical Medicine & Rehabilitation
1050 LINDEN AVE
LONG BEACH, CA 90813
Legal Medicine
1050 LINDEN AVE
LONG BEACH, CA 90813
Hospitalist
1050 LINDEN AVE
LONG BEACH, CA 90813

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982616439, enumerated as an "organization" on August 13, 2006.

The provider is located at 1050 LINDEN AVE LONG BEACH, CA 90813 and the phone number is (562) 594-6080.

Clinic/Center with taxonomy code 261QM2500X and a focus in Medical Specialty.