WILLIAM MEFFERT MD
NPI 1245589597
General Acute Care Hospital in Portola Valley, CA

Q: What is William Meffert's NPI number?

The NPI number for William Meffert is 1245589597. It was assigned to this individual provider in the NPPES registry on August 31, 2012.

Q: What is William Meffert's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Q: When was this NPI record last updated?

The NPPES record for William Meffert was last updated on August 31, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 31, 2012

406 MINOCA RD, PORTOLA VALLEY, CA 94028(650) 529-0498(650) 529-0497 Get Directions Write a Review

NPPES record last updated: August 31, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About William Meffert Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM MEFFERT MD (NPI 1245589597) is an individual general acute care hospital provider in Portola Valley, California, licensed in Iowa (18184) and active in the NPI registry since August 2012.

NPPES Registry Identity

NPI1245589597

Entity TypeIndividualMale

Primary Taxonomy282N00000X

Provider Legal NameWILLIAM MEFFERTCredential: MD

Location Address406 MINOCA RDPortola Valley, CA 94028-7767

Mailing Address406 Minoca RdPortola Valley, CA 94028-7767 · (650) 529-0498 · Fax (650) 529-0497

Phone(650) 529-0498

Fax(650) 529-0497

Sole ProprietorYes

Enumeration DateAugust 31, 2012

✔ NPI 1245589597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals

Taxonomy Code282N00000X

License✔ Licensed in IA · 18184

Definition

An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.

406 MINOCA RD, Portola Valley, CA 94028

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Meffert's NPI number?

The NPI number for William Meffert is 1245589597. It was assigned to this individual provider in the NPPES registry on August 31, 2012.

Where is William Meffert located?

William Meffert practices at 406 Minoca Rd, Portola Valley, CA 94028. The listed phone number is (650) 529-0498.

What is William Meffert's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

When was this NPI record last updated?

The NPPES record for William Meffert was last updated on August 31, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.