JOSEPH DAVIDSON, MD, A MEDICAL CORPORATION
NPI 1790716884
Ophthalmology in Pasadena, CA

NPI Status: Active since July 06, 2006

Contact Information

301 S FAIR OAKS AVE STE 406
PASADENA, CA
ZIP 91105
Phone: (626) 577-5437

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  • Organization
  • Ophthalmology

About JOSEPH DAVIDSON, MD, A MEDICAL CORPORATION

This page provides the complete NPI Profile along with additional information for Joseph Davidson, Md, A Medical Corporation, a provider established in Pasadena, California operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1790716884 assigned on July 2006. The practitioner's primary taxonomy code is 207W00000X. The provider is registered as an organization and their NPI record was last updated 8 years ago. Joseph Davidson, Md, A Medical Corporation operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Joseph K Davidson M.d. (President)

NPI
1790716884
Provider Name
JOSEPH DAVIDSON, MD, A MEDICAL CORPORATION
Entity Type
Organization
Location Address
301 S FAIR OAKS AVE STE 406 PASADENA, CA 91105
Location Phone
(626) 577-5437
Mailing Address
PO BOX 2614 PASADENA, CA 91102
Mailing Phone
(626) 577-5437
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-06-2006
Last Update Date
05-29-2018
Code Navigator

Ophthalmologists like Joseph Davidson, Md, A Medical Corporation specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

Location Map

Secondary Locations

  • 50 Alessandro Pl Ste 130
    Pasadena, CA 91105
    (626) 577-5437

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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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. JOSEPH K DAVIDSON M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(626) 577-5437

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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 1790716884, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 9 → 18 → 9 7 → 14 → 5 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 4 + 1 + 1 + 2 + 8 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1790716884.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Ophthalmology
301 S FAIR OAKS AVE STE 406
PASADENA, CA 91105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790716884, enumerated as an "organization" on July 06, 2006.

The provider is located at 301 S FAIR OAKS AVE STE 406 PASADENA, CA 91105 and the phone number is (626) 577-5437.

Ophthalmology with taxonomy code 207W00000X.