Danhua Xiao, M.D.
NPI 1649538141ActiveIndividual· Internal Medicine· Summit, NJ
Internal Medicine (M.D.) with Practice Associates Medical Group, practicing in Summit, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $479,191 for 1,259 claims, against $24,508 paid for services in 2024. Insulet Corporation was the largest of 3 companies reporting payments in 2025, $60.82 in all, mostly food and beverage. Lists Morristown Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1649538141 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 3, 2012 |
| Last updated in NPPES | Feb 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA09061900 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 393 across 5 procedure codes |
| Paid by Medicare | $24,508 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,259 · 2,091 30-day fills |
|---|---|
| Patients | 146 |
| Total drug cost | $479,191 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Morristown Medical CenterMorristown, NJ
- Overlook Medical CenterSummit, NJ
Industry payments (Open Payments)
- 2025$60.82 · 3 payments from 3 companies
- 2024$16.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insulet Corporation | $26.93 | 1 |
| Corcept Therapeutics | $17.62 | 1 |
| Novo Nordisk Inc | $16.27 | 1 |
What the 2025 payments were for
- Food and Beverage$44.55 · 2 payments
- Education$16.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 internal medicine physicians in Summit · All internal medicine physicians in New Jersey