Xiao H. Wan, D.O.
NPI 1851616775ActiveIndividual· Internal Medicine· Lancaster, CA
Internal Medicine (D.O.) in Lancaster, California, trained at Western University of Health Sciences College of Dental Med (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $937,285 for 7,047 claims, against $191,122 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 2 companies reporting payments in 2025, $514.93 in all, mostly food and beverage.
Overview
| NPI | 1851616775 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 3, 2010 |
| Last updated in NPPES | May 29, 2024 |
| Certified by provider | May 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A11881 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 585 |
|---|---|
| Services billed | 2,237 across 47 procedure codes |
| Paid by Medicare | $191,122 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,047 · 10,267 30-day fills |
|---|---|
| Patients | 626 |
| Total drug cost | $937,285 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Western University of Health Sciences College of Dental Med |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Horizon Multicare Group IncLancaster, CA · 28 clinicians
- Unified Health AssociatesLancaster, CA · 11 clinicians
Hospital affiliations
- Antelope Valley HospitalLancaster, CA
- Palmdale Regional Medical CenterPalmdale, CA
Other facilities
- Asherah Home & Palliative Care, IncHome health agency · Burbank, CA
- Blue Sky Home Health Care, IncHome health agency · Van Nuys, CA
- Newstart Home Health IncHome health agency · Woodland Hills, CA
- Tribute Home Health Care, Inc.Home health agency · Glendale, CA
- Valley View Hospice, IncHospice · Sherman Oaks, CA
- Antelope Valley Care CenterNursing home · Lancaster, CA
- Mirage Post AcuteNursing home · Lancaster, CA
- The Ellison John Transitional Care CenterNursing home · Lancaster, CA
Industry payments (Open Payments)
- 2025$514.93 · 10 payments from 2 companies
- 2024$3,469 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $355.45 | 6 |
| Novo Nordisk Inc | $159.48 | 4 |
What the 2025 payments were for
- Food and Beverage$514.93 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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