Xiu Sun, M.D. & PH.D.
NPI 1649405473 · Anatomic Pathology & Clinical Pathology Physician · Livingston, NJ
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiu Sun, M.D. & PH.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Livingston, NJ (NPI 1649405473).
Provider details
- NPI number
- 1649405473
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. & PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA09487700 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
7,888 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 2,084 | $39 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 1,109 | $14 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 652 | $30 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 591 | $40 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 572 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 372 | $37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$41 across 2 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
- 2009-05-22
- Last updated
- 2016-03-02
Frequently asked questions
- What is Xiu Sun's NPI number?
- Xiu Sun's National Provider Identifier (NPI) is 1649405473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiu Sun's specialty?
- Xiu Sun is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Xiu Sun located?
- Xiu Sun's practice location on file with NPPES is 94 Old Short Hills Rd, Livingston, NJ 07039-5672.
- What is Xiu Sun's phone number?
- The practice phone number listed in the NPPES registry for Xiu Sun is (973) 322-5000.
- Does Xiu Sun accept Medicare?
- Xiu Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiu Sun's NPI active?
- Yes — Xiu Sun's NPI (1649405473) is active in the NPPES registry as of the last update on 2016-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.