DR. PAUL NENNER O.D.
NPI 1013057728
Optometrist - Occupational Vision in Baltimore, MD
NPI Status: Active since February 08, 2007
Contact Information
5006 SINCLAIR LN
BALTIMORE, MD
ZIP 21206
Phone: (410) 488-6800
Fax: (410) 488-4270
- Individual
- Male
- Optometrist
- Occupational Vision
About PAUL NENNER
This page provides the complete NPI Profile along with additional information for Paul Nenner, a provider established in Baltimore, Maryland with a medical specialization in Optometrist, focusing in occupational vision . The healthcare provider is registered in the NPI registry with number 1013057728 assigned on February 2007. The practitioner's primary taxonomy code is 152WX0102X with license number TA0780 (MD). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1013057728
- Provider Name
- DR. PAUL NENNER O.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5006 SINCLAIR LN BALTIMORE, MD 21206
- Location Phone
- (410) 488-6800
- Location Fax
- (410) 488-4270
- Mailing Address
- 7012 YORK RD BALTIMORE, MD 21212
- Mailing Phone
- (410) 294-7748
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-08-2007
- Last Update Date
- 09-11-2025
- 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 Occupational Vision
- Taxonomy Code
- 152WX0102X
- Type
- Eye and Vision Services Providers
- License No.
- TA0780
- License State
- MD
- Taxonomy Description
- Optometrists who work in Occupational Vision, the branch of environmental optometry, consider all aspects of the relationship between work and vision, visual performances, eye safety, and health.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 152W00000X | Eye and Vision Services Providers | Optometrist | TA0780 (MD) |
| 2 | 152WC0802X | Eye and Vision Services Providers | Optometrist | TA0780 (MD) |
| 3 | 152WP0200X | Eye and Vision Services Providers | Optometrist | TA0780 (MD) |
| 4 | 152WS0006X | Eye and Vision Services Providers | Optometrist | TA0780 (MD) |
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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 1013057728, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).
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 52 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 6 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1013057728, enumerated as an "individual" on February 08, 2007.
The provider is located at 5006 SINCLAIR LN BALTIMORE, MD 21206 and the phone number is (410) 488-6800.
Optometrist with taxonomy code 152WX0102X and a focus in Occupational Vision.
