DR. SHARON MARIE STEIN MD
NPI 1952348260
Radiology - Diagnostic Radiology in San Mateo, CA
About Dr. Sharon Marie Stein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHARON MARIE STEIN MD (NPI 1952348260) is an individual diagnostic radiology provider in San Mateo, California, licensed in California (A49100) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Louisiana State University School Of Medicine In Shreveport (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 13
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
Dr. Sharon Marie Stein Md 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
3Medicare enrollment records show Sharon Stein reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Mateo, CA 94402
- Reassigned Medicare billing, California enrollment
- 176 clinicians in this Medicare group
Stockton, CA 95204
- Reassigned Medicare billing, California enrollment
- 110 clinicians in this Medicare group
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- 488 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 30
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 94401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAN MATEO, CA 94401
SAN MATEO, CA 94401
SAN MATEO, CA 94401
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 Sharon Stein's NPI number?
The NPI number for Sharon Stein is 1952348260. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Sharon Stein located?
Sharon Stein practices at 101 S San Mateo Dr Suite 201, San Mateo, CA 94401. The listed phone number is (650) 343-1655.
What is Sharon Stein's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Sharon Stein enrolled in Medicare?
Yes. Sharon Stein 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 Sharon Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sharon Stein reassigns Medicare benefits to 3 organizations: North East Medical Services (San Mateo, CA), Advanced Radiology And Interventional Associates Inc (Stockton, CA) and First Choice Physician Partners (Manteca, 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 Sharon Stein'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 Sharon Stein was last updated on August 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.