DR. REBECCA JUNG-HEE SONU MD
NPI 1144547340
Pathology - Anatomic Pathology & Clinical Pathology in Sacramento, CA
About Dr. Rebecca Jung-hee Sonu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. REBECCA JUNG-HEE SONU MD (NPI 1144547340) is an individual anatomic pathology & clinical pathology provider in Sacramento, California, licensed in California (A122352) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Rebecca Jung-hee Sonu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Rebecca Sonu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 7 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 4
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 95817 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.
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
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 Rebecca Sonu's NPI number?
The NPI number for Rebecca Sonu is 1144547340. It was assigned to this individual provider in the NPPES registry on April 27, 2010.
Where is Rebecca Sonu located?
Rebecca Sonu practices at 4400 V St, Sacramento, CA 95817. The listed phone number is (916) 734-2525.
What is Rebecca Sonu's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Rebecca Sonu enrolled in Medicare?
Yes. Rebecca Sonu is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Rebecca Sonu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Sonu reassigns Medicare benefits to 2 organizations: Sierra Nevada Gastroenterology Medical Associates, Inc. (Grass Valley, 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 Rebecca Sonu'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 Rebecca Sonu was last updated on August 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Rebecca Jung-Hee Sonu, MD · NPI 1144547340
Anatomic Pathology & Clinical Pathology physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since April 27, 2010.
## Identity
- **NPI:** 1144547340 (Entity type: Individual)
- **Enumerated:** April 27, 2010
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** A122352 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4400 V ST, Sacramento, CA 95817-1445
- **Phone:** (916) 734-2525
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sierra Nevada Gastroenterology Medical Associates, Inc. (NPI 1407928641, Grass Valley, CA); First Choice Physician Partners (NPI 1760724637, Manteca, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2016
---
Source: [NPI Profile](https://npiprofile.com/npi/1144547340) · Data from the CMS NPPES public registry.