Dr. Matthew Ben Wallenstein, M.D. — NPI 1972824605
Dr. Matthew Ben Wallenstein, M.D.’s National Provider Identifier is 1972824605. NPPES classifies this as a Type 1 individual record and reports a practice location in Palo Alto, California. The primary taxonomy is Neonatal-Perinatal Medicine Physician.
Key facts
- NPI
- 1972824605
- Entity type
- Type 1 individual
- NPPES status
- Active in the August 10, 2026 snapshot
- Practice location
- 725 WELCH RD
Palo Alto, California 94304 - Practice telephone
- (650) 497-8000
- Primary taxonomy
- Neonatal-Perinatal Medicine Physician
- Additional taxonomies
-
- Obstetrics & Gynecology Physician
- Enumeration date
- June 16, 2010
- NPPES last update
- March 5, 2024
- Source
- CMS NPPES, NPPES Data Dissemination August 2026 V2
Questions answered by the NPPES record
What is the NPI for Dr. Matthew Ben Wallenstein, M.D.?
The NPI listed for Dr. Matthew Ben Wallenstein, M.D. in the NPPES snapshot is 1972824605. The number passes the NPI check-digit test and is recorded as active in that snapshot.
Is NPI 1972824605 an individual or organization record?
NPPES records NPI 1972824605 as an Entity Type 1 record, which CMS assigns to an individual health care provider.
Where is the reported practice location?
The primary practice location reported to NPPES is 725 WELCH RD, Palo Alto, California 94304.
What taxonomy codes are listed for this NPI?
2 taxonomy codes are listed. Primary: Neonatal-Perinatal Medicine Physician (2080N0001X). Additional: Obstetrics & Gynecology Physician (207V00000X). Names come from the NUCC Health Care Provider Taxonomy code set version 26.1; definitions are not reproduced.
When was the NPPES record last updated?
NPPES reports a last update date of March 5, 2024 and an enumeration date of June 16, 2010, as published in NPPES Data Dissemination August 2026 V2.
Source and data date
All facts on this page come from the Centers for Medicare & Medicaid Services (CMS) NPPES data dissemination file NPPES Data Dissemination August 2026 V2, released August 10, 2026 (snapshot date 2026-08-10). The record was reproduced from the main provider file without edits; only the fields listed on the methodology page are published.
CMS updates NPPES continuously and this page reflects a single monthly snapshot. Confirm current details in the official NPPES NPI Registry.
Directory pages
This profile is listed on the Palo Alto, California NPI directory and the California NPI directory.
Other published profiles in Palo Alto, CA
Up to ten other profiles this site publishes for Palo Alto, listed alphabetically. Appearing together here indicates only a shared reported practice city, not any affiliation or relationship. The city page lists all 50 published profiles.
Independent service disclaimer
This directory is an independent, experimental publication of public NPPES fields. It is not affiliated with or endorsed by CMS, NPPES, Medicare, the American Medical Association, or the National Uniform Claim Committee. An NPI is an administrative identifier. Its presence here does not establish that a provider is licensed, credentialed, board certified, in good standing, accepting patients or insurance, employed by or affiliated with any organization, or currently practicing. Nothing on this page is medical, legal, or insurance advice.