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MATTHEW WERNER MUELLENHOFF, D.O.

NPI 1740280650, an individual provider in GRASS VALLEY, CA 95945.

NPI
1740280650
Entity type
Individual (type 1)
Status
Active
Practice location
GRASS VALLEY, CA 95945
Enumerated
2005-07-21
Last updated
2013-04-08
Request
curl https://api.healthcare.dev/v1/providers/1740280650 \
  -H "Authorization: Bearer $HDEV_API_KEY"

NPPES

Taxonomy codes

  • 207NS0135X Primary
  • 207N00000X

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 1740280650 in the NPI Registry.

Use it

Look up 1740280650 from code or an agent

curl
curl https://api.healthcare.dev/v1/providers/1740280650 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up NPI 1740280650. 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.