KATHERINE M SEVERIN, O.D.
NPI 1871619973
Optometrist - Corneal and Contact Management in Fairfield, CA

NPI Status: Active since March 21, 2007

Contact Information

3700 HILBORN RD
STE 500
FAIRFIELD, CA
ZIP 94534
Phone: (707) 426-2020

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  • Organization
  • Optometrist
  • Corneal and Contact Management

About KATHERINE M SEVERIN, O.D.

This page provides the complete NPI Profile along with additional information for Katherine M Severin, O.d., a provider established in Fairfield, California operating as a Optometrist, focusing in corneal and contact management . The healthcare provider is registered in the NPI registry with number 1871619973 assigned on March 2007. The practitioner's primary taxonomy code is 152WC0802X with license number OPT8122TPA (CA). The provider is registered as an organization and their NPI record was last updated 15 years 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 other name is Katherine M Severin, O.d.. The authorized official of this NPI record is Dr. Katherine M Severin O.d. (Owner Optometrist)

NPI
1871619973
Provider Legal Name
FAMILY EYE ASSOCIATES
Other Organization Name
KATHERINE M SEVERIN, O.D.
Other Name Type
Other Name (5)
Entity Type
Organization
Location Address
3700 HILBORN RD STE 500 FAIRFIELD, CA 94534
Location Phone
(707) 426-2020
Mailing Address
3700 HILBORN RD STE 500 FAIRFIELD, CA 94534
Mailing Phone
(707) 426-2020
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-21-2007
Last Update Date
04-15-2011
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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

Optometrist Corneal and Contact Management

Taxonomy Code
152WC0802X
Type
Eye and Vision Services Providers
License No.
OPT8122TPA
License State
CA
Taxonomy Description
The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.

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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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. KATHERINE M SEVERIN O.D.

Authorized Official Title
OWNER OPTOMETRIST
Authorized Official Phone
(707) 426-2020

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
5666727MEDICAID (05)CA 
0967240001MEDICARE NSC (07)CA 
T10647MEDICARE UPIN (02)CA 
SD0081220MEDICARE PIN (08)CA 

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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 1871619973, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
3
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 7 → 14 → 5 6 → 12 → 3 9 → 18 → 9 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 + 1 + 4 + 1 + 1 + 2 + 1 + 1 + 8 + 9 + 1 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1871619973.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Internal Medicine
3700 HILBORN RD, STE. 200
FAIRFIELD, CA 94534
Case Manager/Care Coordinator
3700 HILBORN RD
FAIRFIELD, CA 94534
Case Manager/Care Coordinator
3700 HILBORN RD
FAIRFIELD, CA 94534
Counselor (Professional)
3700 HILBORN RD
FAIRFIELD, CA 94534

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871619973, enumerated as an "organization" on March 21, 2007.

The provider is located at 3700 HILBORN RD STE 500 FAIRFIELD, CA 94534 and the phone number is (707) 426-2020.

Optometrist with taxonomy code 152WC0802X and a focus in Corneal and Contact Management.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.