MARY ELIZABETH WEISS
NPI 1184553059
Dietitian, Registered - Nutrition, Pediatric Critical Care in Philadelphia, PA
NPI Status: Active since May 18, 2026
Contact Information
943 WASHINGTON AVE APT 404
PHILADELPHIA, PA
ZIP 19147
Phone: (856) 701-4198
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Dietitian, Registered
- Nutrition, Pediatric Critical Care
About MARY WEISS
This page provides the complete NPI Profile along with additional information for Mary Weiss, a provider established in Philadelphia, Pennsylvania with a medical specialization in Dietitian, Registered, focusing in nutrition, pediatric critical care . The healthcare provider is registered in the NPI registry with number 1184553059 assigned on May 2026. The practitioner's primary taxonomy code is 133VN1401X with license number DN007897 (PA). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1184553059
- Provider Name
- MARY ELIZABETH WEISS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 943 WASHINGTON AVE APT 404 PHILADELPHIA, PA 19147
- Location Phone
- (856) 701-4198
- Mailing Address
- 943 WASHINGTON AVE APT 404 PHILADELPHIA, PA 19147
- Mailing Phone
- (856) 701-4198
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-18-2026
- Last Update Date
- 05-18-2026
- 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
Dietitian, Registered Nutrition, Pediatric Critical Care
- Taxonomy Code
- 133VN1401X
- Type
- Dietary & Nutritional Service Providers
- License No.
- DN007897
- License State
- PA
- Taxonomy Description
- An individual who is a Board Certified Specialist in Pediatric Critical Care Nutrition and applies evidence-based nutrition knowledge in providing medical nutrition therapy for critically ill infants, children and adolescents. Additional roles could include coordination, education, quality improvement, or research linked specifically to pediatric critical care nutrition.
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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 1184553059, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).
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 51 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1184553059, enumerated as an "individual" on May 18, 2026.
The provider is located at 943 WASHINGTON AVE APT 404 PHILADELPHIA, PA 19147 and the phone number is (856) 701-4198.
Dietitian, Registered with taxonomy code 133VN1401X and a focus in Nutrition, Pediatric Critical Care.
