CITY OF DALLAS ENVIRONMENTAL AND HEALTH
NPI 1043477805
Public Health or Welfare in Dallas, TX
NPI Status: Active since May 20, 2008
Contact Information
300 N EWING AVE
DALLAS, TX
ZIP 75203
Phone: (214) 670-0556
Fax: (214) 670-6897
- Organization
- Public Health or Welfare
About CITY OF DALLAS ENVIRONMENTAL AND HEALTH
This page provides the complete NPI Profile along with additional information for City Of Dallas Environmental And Health, a provider established in Dallas, Texas operating as a Public Health Or Welfare. The healthcare provider is registered in the NPI registry with number 1043477805 assigned on May 2008. The practitioner's primary taxonomy code is 251K00000X. The provider is registered as an organization and their NPI record was last updated March 2026. The authorized official of this NPI record is Mrs. Karen D. Rayzer (Director)
- NPI
- 1043477805
- Provider Name
- CITY OF DALLAS ENVIRONMENTAL AND HEALTH
- Entity Type
- Organization
- Location Address
- 300 N EWING AVE DALLAS, TX 75203
- Location Phone
- (214) 670-0556
- Location Fax
- (214) 670-6897
- Mailing Address
- 300 N EWING AVE DALLAS, TX 75203
- Mailing Phone
- (214) 670-0556
- Mailing Fax
- (214) 670-6897
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-20-2008
- Last Update Date
- 03-14-2026
- 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
Public Health or Welfare
- Taxonomy Code
- 251K00000X
- Type
- Agencies
- License State
- TX
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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 1043477805, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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 65 is 70. 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 1043477805, enumerated as an "organization" on May 20, 2008.
The provider is located at 300 N EWING AVE DALLAS, TX 75203 and the phone number is (214) 670-0556.
Public Health or Welfare with taxonomy code 251K00000X.
