MARK STEVEN GOLDSMITH M.D.
NPI 1871526723
Radiology - Diagnostic Radiology in Walnut Creek, CA
About Mark Steven Goldsmith M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK STEVEN GOLDSMITH M.D. (NPI 1871526723) is an individual diagnostic radiology provider in Walnut Creek, California, licensed in California (G44890) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1980).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Steven Goldsmith M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Mark Goldsmith reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 181 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 129 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 158 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 58
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
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 Mark Goldsmith's NPI number?
The NPI number for Mark Goldsmith is 1871526723. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is Mark Goldsmith located?
Mark Goldsmith practices at 2125 Oak Grove Rd Suite 200, Walnut Creek, CA 94598. The listed phone number is (925) 296-7150.
What is Mark Goldsmith's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Mark Goldsmith enrolled in Medicare?
Yes. Mark Goldsmith is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Goldsmith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Goldsmith reassigns Medicare benefits to 5 organizations: Bay Imaging Consultants Medical Group Inc (Walnut Creek, CA), John Muir Magnetic Imaging Center (Walnut Creek, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), Magnetic Imaging Affiliates, LLC (Oakland, CA) and University Healthcare Alliance (Newark, CA). Each 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 Mark Goldsmith'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 Mark Goldsmith was last updated on December 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.