DR. SARAH YAHNER CONNOLLY O.D.
NPI 1669729497
Optometrist - Corneal and Contact Management in Nashville, TN

NPI Status: Active since August 10, 2012

Contact Information

1801 W END AVE
SUITE 1150
NASHVILLE, TN
ZIP 37203
Phone: (615) 321-8881
Fax: (615) 321-8874

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Optometrist
Corneal and Contact Management

About SARAH CONNOLLY

This page provides the complete NPI Profile along with additional information for Sarah Connolly, a provider established in Nashville, Tennessee with a medical specialization in Optometrist, focusing in corneal and contact management . The healthcare provider is registered in the NPI registry with number 1669729497 assigned on August 2012. The practitioner's primary taxonomy code is 152WC0802X with license number 3054 (TN). The provider is registered as an individual and her NPI record was last updated 14 years ago.

NPI: 1669729497
Provider Name: DR. SARAH YAHNER CONNOLLY O.D.
Gender: Female
Entity Type: Individual
Location Address: 1801 W END AVE SUITE 1150 NASHVILLE, TN 37203
Location Phone: (615) 321-8881
Location Fax: (615) 321-8874
Mailing Address: 1801 W END AVE SUITE 1150 NASHVILLE, TN 37203
Mailing Phone: (615) 321-8881
Mailing Fax: (615) 321-8874
Is Sole Proprietor?: Yes
Enumeration Date: 08-10-2012
Last Update Date: 08-10-2012
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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.: 3054
License State: TN
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.

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 1669729497, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

Check

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 6 → 12 → 3 7 → 14 → 5 9 → 18 → 9 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 4 + 2 + 1 + 8 + 4 + 1 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1669729497.

Other Providers at the Same Location

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

MS. JACQUELYN GANUS LCSW

Social Worker (Clinical)

1801 W END AVE
NASHVILLE, TN 37203

Davidson County (615) 965-2199

DR. WILLIAM GREGORY CANNELLA D.O.

Family Medicine

1801 W END AVE, SUITE 500
NASHVILLE, TN 37203

Davidson County (615) 822-2041

SHELLENA STOREY NP

Nurse Practitioner (Gerontology)

1801 W END AVE, SUITE 600
NASHVILLE, TN 37203

Davidson County (615) 695-2141

DR. STEPHANIE M SCHENK

Specialist/Technologist, Other (Electroneurodiagnostic)