GREGORY ROSS BERNSTEIN MD
NPI 1598056673
Internal Medicine - Gastroenterology in Seattle, WA
About Gregory Ross Bernstein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY ROSS BERNSTEIN MD (NPI 1598056673) is an individual gastroenterology provider in Seattle, Washington, licensed in Washington (MD60767726) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Gregory Ross Bernstein 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 Reassignment
Medicare enrollment records show Gregory Bernstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98133
- Reassigned Medicare billing, Washington enrollment
- 83 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 8
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.
University Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98133 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98133
SEATTLE, WA 98133
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 Gregory Bernstein's NPI number?
The NPI number for Gregory Bernstein is 1598056673. It was assigned to this individual provider in the NPPES registry on April 25, 2011.
Where is Gregory Bernstein located?
Gregory Bernstein practices at 11027 Meridian Ave N Ste 100, Seattle, WA 98133. The listed phone number is (206) 365-4492.
What is Gregory Bernstein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Gregory Bernstein enrolled in Medicare?
Yes. Gregory Bernstein 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 organization bills Medicare for Gregory Bernstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Bernstein reassigns Medicare benefits to Puget Sound Gastroenterology, PLLC (Seattle, WA). The 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 Gregory Bernstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Bernstein accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Gregory Bernstein 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 Gregory Bernstein affiliated with any hospitals?
According to CMS data, Gregory Bernstein is affiliated with University Of Washington Medical Ctr.
When was this NPI record last updated?
The NPPES record for Gregory Bernstein was last updated on May 28, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Gregory Ross Bernstein, MD · NPI 1598056673
Gastroenterology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 25, 2011.
## Identity
- **NPI:** 1598056673 (Entity type: Individual)
- **Enumerated:** April 25, 2011
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD60767726 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 11027 MERIDIAN AVE N STE 100, Seattle, WA 98133-1705
- **Phone:** (206) 365-4492 · **Fax:** (206) 368-3456
## 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:** Puget Sound Gastroenterology, PLLC (NPI 1649212606, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** May 28, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1598056673) · Data from the CMS NPPES public registry.