MEHMET F. FER MD
NPI 1164506887
Internal Medicine - Medical Oncology in Seattle, WA
About Mehmet F. Fer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEHMET F. FER MD (NPI 1164506887) is an individual medical oncology provider in Seattle, Washington, licensed in Washington (MD00023614) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and is a graduate of Other (1974).
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
Mehmet F. Fer 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
3Medicare enrollment records show Mehmet Fer reassigns Medicare billing to 3 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
Mill Creek, WA 98012
- Reassigned Medicare billing, Washington enrollment
- 705 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 40 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Regional Medical Center Everett
Acute Care Hospitals · Everett, WASwedish Medical Center / Cherry Hill
Acute Care Hospitals · Seattle, WASwedish Edmonds Hospital
Acute Care Hospitals · Edmonds, WASwedish 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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
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 Mehmet Fer's NPI number?
The NPI number for Mehmet Fer is 1164506887. It was assigned to this individual provider in the NPPES registry on October 25, 2006.
Where is Mehmet Fer located?
Mehmet Fer practices at 1221 Madison St Suite 1020, Seattle, WA 98104. The listed phone number is (206) 860-6488.
What is Mehmet Fer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Mehmet Fer enrolled in Medicare?
Yes. Mehmet Fer 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 Mehmet Fer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mehmet Fer reassigns Medicare benefits to 3 organizations: Swedish Health Services (Seattle, WA), Providence Health & Services- Washington (Mill Creek, WA) and Northwest Medical Specialties PLLC (Tacoma, 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 Mehmet Fer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mehmet Fer accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mehmet Fer 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 Mehmet Fer affiliated with any hospitals?
According to CMS data, Mehmet Fer is affiliated with Providence Regional Medical Center Everett, Swedish Medical Center / Cherry Hill, Swedish Edmonds Hospital and Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Mehmet Fer was last updated on February 6, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mehmet F. Fer, MD · NPI 1164506887
Medical Oncology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since October 25, 2006.
## Identity
- **NPI:** 1164506887 (Entity type: Individual)
- **Enumerated:** October 25, 2006
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** MD00023614 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 MADISON ST, SUITE 1020, Seattle, WA 98104-3588
- **Phone:** (206) 860-6488 · **Fax:** (206) 860-6734
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Swedish Health Services (NPI 1689612954, Seattle, WA); Providence Health & Services- Washington (NPI 1790014504, Mill Creek, WA); Northwest Medical Specialties PLLC (NPI 1548261308, Tacoma, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1974
## Record status
- **NPPES last updated:** February 6, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1164506887) · Data from the CMS NPPES public registry.