Active NPI
Mary Elizabeth Weiss
- Pediatric Critical Care Nutrition Registered Dietitian
- Philadelphia, PA
National Provider Identifier
1184553059
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Critical Care Nutrition Registered Dietitian
- License
- DN007897
- Practice address
- 943 Washington Ave Apt 404
Philadelphia, PA 19147-3868 - Phone
- (856) 701-4198
- NPI assigned
- May 18, 2026
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Critical Care Nutrition Registered Dietitian | 133VN1401X | DN007897 | PA | Primary |
Addresses
Primary practice location
943 Washington Ave Apt 404
Philadelphia, PA 19147-3868
Mailing address
943 Washington Ave Apt 404
Philadelphia, PA 19147-3868
Phone (856) 701-4198
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DN007897 | PA | MD | Pediatric Critical Care Nutrition Registered Dietitian |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1779062400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779062400000",
"number": "1184553059",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "943 WASHINGTON AVE APT 404",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191473868",
"telephone_number": "856-701-4198"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "943 WASHINGTON AVE APT 404",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191473868",
"telephone_number": "856-701-4198"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WEISS",
"first_name": "MARY",
"middle_name": "ELIZABETH",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-05-18",
"last_updated": "2026-05-18",
"certification_date": "2026-05-17",
"status": "A"
},
"taxonomies": [
{
"code": "133VN1401X",
"taxonomy_group": "",
"desc": "Dietitian, Registered, Nutrition, Pediatric Critical Care",
"state": "PA",
"license": "DN007897",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Philadelphia, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.