GRIGORIY A ROZENFELD DO
NPI 1114167293
Emergency Medicine in Lacey, WA
About Grigoriy A Rozenfeld Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRIGORIY A ROZENFELD DO (NPI 1114167293) is an individual emergency medicine provider in Lacey, Washington, licensed in Washington (OP61084938) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Providence St Peter Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2008).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Grigoriy A Rozenfeld Do 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
4Medicare enrollment records show Grigoriy Rozenfeld reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia, WA 98506
- Reassigned Medicare billing, Washington enrollment
- 646 clinicians in this Medicare group
Crescent City, CA 95531
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 26 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 10
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Peter Hospital
Acute Care Hospitals · Olympia, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98503 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.
LACEY, WA 98503
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 Grigoriy Rozenfeld's NPI number?
The NPI number for Grigoriy Rozenfeld is 1114167293. It was assigned to this individual provider in the NPPES registry on March 2, 2009.
Where is Grigoriy Rozenfeld located?
Grigoriy Rozenfeld practices at 4800 College St SE, Lacey, WA 98503. The listed phone number is (360) 486-2900.
What is Grigoriy Rozenfeld's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Grigoriy Rozenfeld enrolled in Medicare?
Yes. Grigoriy Rozenfeld 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 Grigoriy Rozenfeld's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grigoriy Rozenfeld reassigns Medicare benefits to 4 organizations: Providence Health & Services Washington (Olympia, WA), Cep America-California (Crescent City, CA), Southern California Permanente Medical Group (Lancaster, CA) and Temecula Valley Emergency Medical Associates (Murrieta, 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 Grigoriy Rozenfeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grigoriy Rozenfeld accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Grigoriy Rozenfeld as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Grigoriy Rozenfeld affiliated with any hospitals?
According to CMS data, Grigoriy Rozenfeld is affiliated with Providence St Peter Hospital.
When was this NPI record last updated?
The NPPES record for Grigoriy Rozenfeld was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.