VAHID FEIZ, MD, INC
NPI 1699211565
Ophthalmology in Walnut Creek, CA

NPI Status: Active since January 16, 2017

Contact Information

100 N WIGET LN
SUITE 270
WALNUT CREEK, CA
ZIP 94598
Phone: (925) 705-7299
Fax: (800) 521-7886

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  • Organization
  • Ophthalmology

About VAHID FEIZ, MD, INC

This page provides the complete NPI Profile along with additional information for Vahid Feiz, Md, Inc, a provider established in Walnut Creek, California operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1699211565 assigned on January 2017. The practitioner's primary taxonomy code is 207W00000X with license number A68094 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's . The authorized official of this NPI record is Vahid Feiz Md (Ownder)

NPI
1699211565
Provider Legal Name
VAHID FEIZ, MD, INC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
100 N WIGET LN SUITE 270 WALNUT CREEK, CA 94598
Location Phone
(925) 705-7299
Location Fax
(800) 521-7886
Mailing Address
100 N WIGET LN SUITE 270 WALNUT CREEK, CA 94598
Mailing Phone
(925) 705-7299
Mailing Fax
(800) 521-7886
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-16-2017
Last Update Date
10-28-2025
Code Navigator

Ophthalmologists like Vahid Feiz, Md, Inc 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.

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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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
A68094
License State
CA
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 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

VAHID FEIZ MD

Authorized Official Title
OWNDER
Authorized Official Phone
(825) 705-7299

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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 1699211565, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 4 + 1 + 2 + 5 + 1 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1699211565.

Other Providers at the Same Location


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

Clinic/Center (Ambulatory Surgical)
100 N WIGET LN, SUITE #110
WALNUT CREEK, CA 94598
Physical Therapist (Sports)
100 N WIGET LN, SUITE 200
WALNUT CREEK, CA 94598
Physical Therapist (Sports)
100 N WIGET LN, STE 200
WALNUT CREEK, CA 94598
Neurological Surgery
100 N WIGET LN, SUITE 160
WALNUT CREEK, CA 94598
Plastic Surgery
100 N WIGET LN, SUITE 100
WALNUT CREEK, CA 94598
Plastic Surgery
100 N WIGET LN, STE 100
WALNUT CREEK, CA 94598
Psychologist (Clinical)
100 N WIGET LN
WALNUT CREEK, CA 94598
Plastic Surgery
100 N WIGET LN, SUITE #100
WALNUT CREEK, CA 94598
Urology
100 N WIGET LN, STE 290
WALNUT CREEK, CA 94598
Ophthalmology
100 N WIGET LN, SUITE 270
WALNUT CREEK, CA 94598

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699211565, enumerated as an "organization" on January 16, 2017.

The provider is located at 100 N WIGET LN SUITE 270 WALNUT CREEK, CA 94598 and the phone number is (925) 705-7299.

Ophthalmology with taxonomy code 207W00000X.