ANDREW PAUL SOMLYO JR. MD
NPI 1205054459
Internal Medicine - Nephrology in Seattle, WA
About Andrew Paul Somlyo Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW PAUL SOMLYO JR. MD (NPI 1205054459) is an individual nephrology provider in Seattle, Washington, licensed in Washington (MD60037579) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Andrew Paul Somlyo Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Andrew Somlyo 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
- 1,270 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 911 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 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.
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.
SEATTLE, WA 98104
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 Andrew Somlyo's NPI number?
The NPI number for Andrew Somlyo is 1205054459. It was assigned to this individual provider in the NPPES registry on April 23, 2007.
Where is Andrew Somlyo located?
Andrew Somlyo practices at 904 7th Ave, Seattle, WA 98104. The listed phone number is (206) 329-1760.
What is Andrew Somlyo's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Andrew Somlyo enrolled in Medicare?
Yes. Andrew Somlyo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Andrew Somlyo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Somlyo reassigns Medicare benefits to 2 organizations: Swedish Health Services (Seattle, WA) and The Polyclinic (Seattle, 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 Andrew Somlyo'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 Andrew Somlyo was last updated on May 16, 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.
# Andrew Paul Somlyo Jr., MD · NPI 1205054459
Nephrology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 23, 2007.
## Identity
- **NPI:** 1205054459 (Entity type: Individual)
- **Enumerated:** April 23, 2007
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** MD60037579 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 904 7TH AVE, Seattle, WA 98104-1132
- **Phone:** (206) 329-1760
## 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): Swedish Health Services (NPI 1689612954, Seattle, WA); The Polyclinic (NPI 1962824219, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 16, 2012
- **Other identifiers:** Medicare PIN 8876404 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1205054459) · Data from the CMS NPPES public registry.