MELISSA L GRISSINGER, FNP
NPI 1821099151, an individual provider in JOHNSON CITY, TN 37604.
- NPI
- 1821099151
- Entity type
- Individual (type 1)
- Status
- Active
- Practice location
- JOHNSON CITY, TN 37604
- Enumerated
- 2005-08-09
- Last updated
- 2024-04-23
curl https://api.healthcare.dev/v1/providers/1821099151 \ -H "Authorization: Bearer $HDEV_API_KEY"
NPPES
Taxonomy codes
- 363LF0000X Primary
- 363LX0001X
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 1821099151 in the NPI Registry.
Use it
Look up 1821099151 from code or an agent
curl https://api.healthcare.dev/v1/providers/1821099151 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up NPI 1821099151. 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.