Mehmet Fer, MD
NPI 1164506887 · Medical Oncology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mehmet Fer, MD is a Medical Oncology Physician provider in Seattle, WA (NPI 1164506887).
Provider details
- NPI number
- 1164506887
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00023614 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
162 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $68 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $152 |
Typical Medicare-allowed amounts for these services range $68–$152 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 59 | 20 |
| Potassium Chloride | 34 | — |
| Zanubrutinibbrand: Brukinsa | 20 | — |
| Oxycodone Hcl | 18 | — |
| Gabapentin | 17 | — |
| Folic Acid | 15 | — |
| Loperamide Hclbrand: Loperamide | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2009-02-06
Frequently asked questions
- What is Mehmet Fer's NPI number?
- Mehmet Fer's National Provider Identifier (NPI) is 1164506887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mehmet Fer's specialty?
- Mehmet Fer is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mehmet Fer located?
- Mehmet Fer's practice location on file with NPPES is 1221 Madison St, Seattle, WA 98104-3588.
- What is Mehmet Fer's phone number?
- The practice phone number listed in the NPPES registry for Mehmet Fer is (206) 860-6488.
- Does Mehmet Fer accept Medicare?
- Mehmet Fer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mehmet Fer's NPI active?
- Yes — Mehmet Fer's NPI (1164506887) is active in the NPPES registry as of the last update on 2009-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.