Fenfen Wu, M.D.
NPI 1457621286 · Internal Medicine Physician · Federal Way, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fenfen Wu, M.D. is a Internal Medicine Physician provider in Federal Way, WA (NPI 1457621286).
Provider details
- NPI number
- 1457621286
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD60454662 (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
14 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
1,384 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 | 483 | $140 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 203 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 184 | $143 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 124 | $21 |
| Advance Care Planning, First 30 Minutes99497 | 117 | $88 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 643 | 180 |
| Amlodipine Besylate | 400 | 116 |
| Losartan Potassium | 384 | 117 |
| Levothyroxine Sodium | 363 | 101 |
| Alendronate Sodium | 230 | 67 |
| Metformin Hcl | 227 | 74 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-01-10
- Last updated
- 2015-07-23
Frequently asked questions
- What is Fenfen Wu's NPI number?
- Fenfen Wu's National Provider Identifier (NPI) is 1457621286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fenfen Wu's specialty?
- Fenfen Wu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fenfen Wu located?
- Fenfen Wu's practice location on file with NPPES is 34503 9th Ave S, Federal Way, WA 98003-8727.
- What is Fenfen Wu's phone number?
- The practice phone number listed in the NPPES registry for Fenfen Wu is (253) 874-2227.
- Does Fenfen Wu accept Medicare?
- Fenfen Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fenfen Wu's NPI active?
- Yes — Fenfen Wu's NPI (1457621286) is active in the NPPES registry as of the last update on 2015-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.