Fen Xia, MD, PHD
NPI 1134156052 · Radiation Oncology Physician · Little Rock, AR
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fen Xia, MD, PHD is a Radiation Oncology Physician provider in Little Rock, AR (NPI 1134156052).
Provider details
- NPI number
- 1134156052
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- E-10009 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
267 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Calculation of Radiation Therapy Dose77300 | 94 | $50 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 56 | $102 |
| Design and Construction of Complex Radiation Treatment Device77334 | 45 | $92 |
| Complex Radiation Therapy Planning77263 | 20 | $153 |
| High Precision Radiation Therapy Planning77301 | 18 | $1,440 |
| Design and Construction of Radiation Treatment Device for High Precision Radiation Therapy77338 | 17 | $397 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$290 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2022-03-17
- Certified
- 2022-03-17
Frequently asked questions
- What is Fen Xia's NPI number?
- Fen Xia's National Provider Identifier (NPI) is 1134156052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fen Xia's specialty?
- Fen Xia is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Fen Xia located?
- Fen Xia's practice location on file with NPPES is 4301 W Markham St # 771, Little Rock, AR 72205-7101.
- What is Fen Xia's phone number?
- The practice phone number listed in the NPPES registry for Fen Xia is (501) 526-7458.
- Does Fen Xia accept Medicare?
- Fen Xia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fen Xia's NPI active?
- Yes — Fen Xia's NPI (1134156052) is active in the NPPES registry as of the last update on 2022-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.