JOHN NATHANIEL DIEHL, MD, PHD
NPI 1194428177, an individual provider in PHILADELPHIA, PA 19104.
- NPI
- 1194428177
- Entity type
- Individual (type 1)
- Status
- Active
- Practice location
- PHILADELPHIA, PA 19104
- Enumerated
- 2023-03-27
- Last updated
- 2023-03-27
curl https://api.healthcare.dev/v1/providers/1194428177 \ -H "Authorization: Bearer $HDEV_API_KEY"
NPPES
Taxonomy codes
- 390200000X Primary
Codes from the Health Care Provider Taxonomy code set; their names belong to the NUCC and aren't shown here.
Official record
The CMS NPI Registry is the official source for this NPI: NPI 1194428177 in the NPI Registry.
Use it
Look up 1194428177 from code or an agent
curl https://api.healthcare.dev/v1/providers/1194428177 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up NPI 1194428177. Tell me the provider's name, whether it is an individual or an organization, whether the NPI is active, its taxonomy codes and its practice city and state.
Source: CMS NPPES file, release 2026-11. Public (FOIA-disclosable). Registry data as CMS publishes it, not a verification of credentials, licensure or enrollment.