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DAVID S. HIRSCHFELD M.D.
NPI 1730111907
Specialist in San Jose, CA

Active since July 07, 2006PECOS Enrolled
2585 SAMARITAN DR STE 303, SAN JOSE, CA 95124(408) 358-3458(408) 356-6191 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About David S. Hirschfeld M.d. NPPES

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

DAVID S. HIRSCHFELD M.D. (NPI 1730111907) is an individual specialist in San Jose, California, licensed in California (G22502) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730111907
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDAVID S. HIRSCHFELDCredential: M.D.
Location Address2585 SAMARITAN DR STE 303San Jose, CA 95124-4107
Mailing Address2585 Samaritan Dr Ste 303San Jose, CA 95124-4107 · (408) 358-3458 · Fax (408) 356-6191
Phone(408) 358-3458
Fax(408) 356-6191
Sole ProprietorYes
Enumeration DateJuly 7, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1730111907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · G22502
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2585 SAMARITAN DR STE 303, San Jose, CA 95124
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David S. Hirschfeld M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show David Hirschfeld reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physician Services At El Camino Hospital
11 mi
General Acute Care Hospital
2500 GRANT RD, MS OAK 209
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • 57 clinicians in this Medicare group
NPI 1669575585 (650) 988-7711

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL M GOLD MD A PROFESSIONAL MEDICAL CORPORATION
Clinic/Center (Medical Specialty)
2585 SAMARITAN DR STE 303
SAN JOSE, CA 95124
Santa Clara County (408) 358-3458
MICHAEL M GOLD M.D.
Specialist
2585 SAMARITAN DR STE 303
SAN JOSE, CA 95124
Santa Clara County (408) 358-3458
DAVID S. HIRSCHFELD, M.D., INC.
Clinic/Center (Medical Specialty)
2585 SAMARITAN DR STE 303
SAN JOSE, CA 95124
Santa Clara County (408) 358-3458
JACK SIEGEL, M.D., INC.
Clinic/Center (Health Service)
2585 SAMARITAN DR STE 303
SAN JOSE, CA 95124
Santa Clara County (408) 358-3458

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 David Hirschfeld's NPI number?

The NPI number for David Hirschfeld is 1730111907. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is David Hirschfeld located?

David Hirschfeld practices at 2585 Samaritan Dr Ste 303, San Jose, CA 95124. The listed phone number is (408) 358-3458.

What is David Hirschfeld's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is David Hirschfeld enrolled in Medicare?

Yes. David Hirschfeld is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Hirschfeld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Hirschfeld reassigns Medicare benefits to Physician Services At El Camino Hospital (Mountain View, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Hirschfeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Hirschfeld was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.