Xiao Jun Weng, MD
NPI 1407219371 · Neurology Physician · Middlebury, CT
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiao Jun Weng, MD is a Neurology Physician provider in Middlebury, CT (NPI 1407219371).
Provider details
- NPI number
- 1407219371
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 68180 (CT)
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
10 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
548 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $133 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 100 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 48 | $121 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 42 | $45 |
| Nerve Conduction, 7-8 Studies95910 | 40 | $181 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 165 | 57 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 101 | 25 |
| Pregabalin | 95 | 16 |
| Atorvastatin Calcium | 69 | 22 |
| Pyridostigmine Bromide | 61 | 17 |
| Levetiracetam | 52 | 15 |
| Topiramate | 49 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,259 across 98 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
- 2016-03-30
- Last updated
- 2021-09-15
- Certified
- 2021-09-15
Frequently asked questions
- What is Xiao Jun Weng's NPI number?
- Xiao Jun Weng's National Provider Identifier (NPI) is 1407219371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiao Jun Weng's specialty?
- Xiao Jun Weng is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Xiao Jun Weng located?
- Xiao Jun Weng's practice location on file with NPPES is 1579 Straits Tpke Ste 2a, Middlebury, CT 06762-1835.
- What is Xiao Jun Weng's phone number?
- The practice phone number listed in the NPPES registry for Xiao Jun Weng is (870) 918-8686.
- Does Xiao Jun Weng accept Medicare?
- Xiao Jun Weng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiao Jun Weng's NPI active?
- Yes — Xiao Jun Weng's NPI (1407219371) is active in the NPPES registry as of the last update on 2021-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.