DR. GRACE TARNG M.D.
NPI 1124349139
Emergency Medicine in Berkeley, CA
About Dr. Grace Tarng M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRACE TARNG M.D. (NPI 1124349139) is an individual emergency medicine provider in Berkeley, California, licensed in California (A125452) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and is a graduate of Texas Tech University Health Science Center School Of Medicine (2010).
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
Dr. Grace Tarng 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
2Medicare enrollment records show Grace Tarng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95819
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Cep America - California
- 2,323 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 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 6
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 94705 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.
BERKELEY, CA 94705
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 Grace Tarng's NPI number?
The NPI number for Grace Tarng is 1124349139. It was assigned to this individual provider in the NPPES registry on June 14, 2010.
Where is Grace Tarng located?
Grace Tarng practices at 2450 Ashby Ave, Berkeley, CA 94705. The listed phone number is (510) 204-4723.
What is Grace Tarng's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Grace Tarng enrolled in Medicare?
Yes. Grace Tarng 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 Grace Tarng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Tarng reassigns Medicare benefits to 2 organizations: California Emergency Physc Med Grp (Sacramento, CA) and Sutter Bay Medical Foundation (Orinda, 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 Grace Tarng'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 Grace Tarng was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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. Grace Tarng, M.D. · NPI 1124349139
Emergency Medicine physician in Berkeley, California. Individual provider, active in the CMS NPPES registry since June 14, 2010.
## Identity
- **NPI:** 1124349139 (Entity type: Individual)
- **Enumerated:** June 14, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A125452 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2450 ASHBY AVE, Berkeley, CA 94705-2067
- **Phone:** (510) 204-4723
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): California Emergency Physc Med Grp (NPI 1942509047, Sacramento, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas Tech University Health Science Center School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** March 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1124349139) · Data from the CMS NPPES public registry.