ANGELA B. NAHL, M.D., INC.
NPI 1639656432
Ophthalmology - Cornea and External Diseases Specialist in La Jolla, CA
NPI Status: Active since July 24, 2018
Contact Information
9834 GENESEE AVE STE 428
LA JOLLA, CA
ZIP 92037
Phone: (858) 551-4100
Fax: (858) 777-5760
- Organization
- Ophthalmology
- Cornea and External Diseases Specialist
About ANGELA B. NAHL, M.D., INC.
This page provides the complete NPI Profile along with additional information for Angela B. Nahl, M.d., Inc., a provider established in La Jolla, California operating as a Ophthalmology, focusing in cornea and external diseases specialist . The healthcare provider is registered in the NPI registry with number 1639656432 assigned on July 2018. The practitioner's primary taxonomy code is 207WX0120X. 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
- NPI
- 1639656432
- Provider Legal Name
- ANGELA B. NAHL, M.D., INC.
- Other Organization Name
- Other Name Type
- (6)
- Entity Type
- Organization
- Location Address
- 9834 GENESEE AVE STE 428 LA JOLLA, CA 92037
- Location Phone
- (858) 551-4100
- Location Fax
- (858) 777-5760
- Mailing Address
- 9834 GENESEE AVE. #428 LA JOLLA, CA 92037
- Mailing Phone
- (858) 551-4100
- Mailing Fax
- (858) 777-5760
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-24-2018
- Last Update Date
- 11-04-2025
- Code Navigator
Location Map
Secondary Locations
- 9834 Genesee Ave Ste 209
LA Jolla, CA 92037
(858) 551-4100
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 Cornea and External Diseases Specialist
- Taxonomy Code
- 207WX0120X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An ophthalmologist who specializes in diseases of the cornea, sclera, eyelids, conjunctiva, and anterior segment of the eye.
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 1639656432, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
LA JOLLA, CA 92037
LA JOLLA, CA 92037
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1639656432, enumerated as an "organization" on July 24, 2018.
The provider is located at 9834 GENESEE AVE STE 428 LA JOLLA, CA 92037 and the phone number is (858) 551-4100.
Ophthalmology with taxonomy code 207WX0120X and a focus in Cornea and External Diseases Specialist.
