Siyun Li, MD
NPI 1902821366 · Neurology Physician · Chillicothe, OH
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siyun Li, MD is a Neurology Physician provider in Chillicothe, OH (NPI 1902821366).
Provider details
- NPI number
- 1902821366
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.087473 (OH)
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
19 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
579 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 | 278 | $91 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 71 | $126 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $115 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 | $123 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 23 | $107 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 306 | 55 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 212 | 49 |
| Sumatriptan Succinate | 144 | 24 |
| Primidone | 137 | 23 |
| Topiramate | 121 | 31 |
| Oxcarbazepine | 118 | 16 |
| Donepezil Hcl | 103 | 24 |
| Memantine Hcl | 98 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,282 across 90 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
- 2006-07-13
- Last updated
- 2020-11-24
- Certified
- 2020-11-24
Frequently asked questions
- What is Siyun Li's NPI number?
- Siyun Li's National Provider Identifier (NPI) is 1902821366, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siyun Li's specialty?
- Siyun Li is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Siyun Li located?
- Siyun Li's practice location on file with NPPES is 4437 State Route 159, Chillicothe, OH 45601-7065.
- What is Siyun Li's phone number?
- The practice phone number listed in the NPPES registry for Siyun Li is (740) 779-4598.
- Does Siyun Li accept Medicare?
- Siyun Li is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siyun Li's NPI active?
- Yes — Siyun Li's NPI (1902821366) is active in the NPPES registry as of the last update on 2020-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.