GREGORY ROTH MD
NPI 1922144146
Internal Medicine - Cardiovascular Disease in Seattle, WA
About Gregory Roth Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY ROTH MD (NPI 1922144146) is an individual cardiovascular disease provider in Seattle, Washington, licensed in Washington (MD00045041) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Warren Alpert Medical School Of Brown University (2002).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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 Roth 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
2Medicare enrollment records show Gregory Roth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Port Angeles, WA 98362
- Reassigned Medicare billing, Washington enrollment
- 112 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.
Hospital Affiliations CMS Care Compare 2
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, WAHarborview Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 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.
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 Roth's NPI number?
The NPI number for Gregory Roth is 1922144146. It was assigned to this individual provider in the NPPES registry on January 29, 2007.
Where is Gregory Roth located?
Gregory Roth practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 744-3475.
What is Gregory Roth's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Gregory Roth enrolled in Medicare?
Yes. Gregory Roth 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 Gregory Roth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Roth reassigns Medicare benefits to 2 organizations: The Association Of University Physicians (Seattle, WA) and Olympic Medical Physicians (Port Angeles, WA). 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 Gregory Roth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Roth accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Gregory Roth 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 Roth affiliated with any hospitals?
According to CMS data, Gregory Roth is affiliated with University Of Washington Medical Ctr and Harborview Medical Center.
When was this NPI record last updated?
The NPPES record for Gregory Roth was last updated on August 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 Roth, MD · NPI 1922144146
Cardiovascular Disease physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since January 29, 2007.
## Identity
- **NPI:** 1922144146 (Entity type: Individual)
- **Enumerated:** January 29, 2007
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD00045041 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, Seattle, WA 98104-2420
- **Phone:** (206) 744-3475
## 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): The Association Of University Physicians (NPI 1023041159, Seattle, WA); Olympic Medical Physicians (NPI 1427081967, Port Angeles, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 2002
## Record status
- **NPPES last updated:** August 6, 2012
- **Other identifiers:** Medicare PIN 8909112 (WA); Other 0231763 (WA); Medicaid 1922144146 (WA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1922144146) · Data from the CMS NPPES public registry.