DR. NANCY B. LEWIS, P.A.
NPI 1124401955
Optometrist - Vision Therapy in Silver Spring, MD
NPI Status: Active since June 29, 2015
Contact Information
9215 COLESVILLE RD
SILVER SPRING, MD
ZIP 20910
Phone: (301) 598-7472
Fax: (301) 589-7473
- Organization
- Optometrist
- Vision Therapy
About DR. NANCY B. LEWIS, P.A.
This page provides the complete NPI Profile along with additional information for Dr. Nancy B. Lewis, P.a., a provider established in Silver Spring, Maryland operating as a Optometrist, focusing in vision therapy . The healthcare provider is registered in the NPI registry with number 1124401955 assigned on June 2015. The practitioner's primary taxonomy code is 152WV0400X with license number TA0795 (MD). The provider is registered as an organization and their NPI record was last updated 11 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 authorized official of this NPI record is Dr. Nancy B. Lewis O.d. (Owner/optometrist)
- NPI
- 1124401955
- Provider Name
- DR. NANCY B. LEWIS, P.A.
- Entity Type
- Organization
- Location Address
- 9215 COLESVILLE RD SILVER SPRING, MD 20910
- Location Phone
- (301) 598-7472
- Location Fax
- (301) 589-7473
- Mailing Address
- 9215 COLESVILLE RD SILVER SPRING, MD 20910
- Mailing Phone
- (301) 598-7472
- Mailing Fax
- (301) 589-7473
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 06-29-2015
- Last Update Date
- 06-29-2015
- Code Navigator
Location Map
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 Vision Therapy
- Taxonomy Code
- 152WV0400X
- Type
- Eye and Vision Services Providers
- License No.
- TA0795
- License State
- MD
- Taxonomy Description
- Optometrists who specialize in vision therapy as a treatment process used to improve vision function. It includes a broad range of developmental and rehabilitative treatment programs individually prescribed to remediate specific sensory, motor and/or visual perceptual dysfunctions.
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.
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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 1124401955, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 55 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124401955, enumerated as an "organization" on June 29, 2015.
The provider is located at 9215 COLESVILLE RD SILVER SPRING, MD 20910 and the phone number is (301) 598-7472.
Optometrist with taxonomy code 152WV0400X and a focus in Vision Therapy.
