Yan Zhang, MD, PHD
NPI 1851526651 · Epilepsy Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yan Zhang, MD, PHD is a Epilepsy Physician provider in Hartford, CT (NPI 1851526651).
Provider details
- NPI number
- 1851526651
- Entity type
- Individual
- Primary specialty
- Epilepsy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 050161 (CT)
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 tenure28% of score
17 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
280 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) |
|---|---|---|
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 54 | $60 |
| 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 | 52 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $104 |
| Measurement of Brain Wave Activity With Video (veeg), 12-26 Hours With Review and Report By Health Care Professional95720 | 40 | $221 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $154 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 216 | 59 |
| Lamotrigine | 173 | 38 |
| Lacosamide | 133 | 24 |
| Cenobamatebrand: Xcopri | 116 | 17 |
| Lamotriginebrand: Lamotrigine Er | 91 | 15 |
| Oxcarbazepine | 76 | 13 |
| Levetiracetambrand: Levetiracetam Er | 74 | 24 |
| Phenytoin Sodium Extended |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-21
- Last updated
- 2024-07-05
- Certified
- 2024-07-05
Frequently asked questions
- What is Yan Zhang's NPI number?
- Yan Zhang's National Provider Identifier (NPI) is 1851526651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yan Zhang's specialty?
- Yan Zhang is listed in the NPPES registry with a primary specialty of Epilepsy Physician (Allopathic & Osteopathic Physicians).
- Where is Yan Zhang located?
- Yan Zhang's practice location on file with NPPES is 80 Seymour Street, Hartford, CT 06102-5037.
- What is Yan Zhang's phone number?
- The practice phone number listed in the NPPES registry for Yan Zhang is (860) 545-3621.
- Does Yan Zhang accept Medicare?
- Yan Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yan Zhang's NPI active?
- Yes — Yan Zhang's NPI (1851526651) is active in the NPPES registry as of the last update on 2024-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.