Hang Pak, D.O.
NPI 1972638229ActiveIndividual· Anesthesiology· Livingston, NJ
Anesthesiology (D.O.) in Livingston, New Jersey, trained at Rowan University School of Osteopathic Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $21,322 for 877 claims, against $9,799 paid for services in 2024. Vertex Pharmaceuticals Incorporated was the largest of 2 companies reporting payments in 2025, $123.43 in all, mostly food and beverage.
Overview
| NPI | 1972638229 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Feb 23, 2007 |
| Last updated in NPPES | Jan 3, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | MB05559400 | NJ |
| Anesthesiology, Pain Medicine | 207LP2900X | MB05559400 | NJ |
| Pain Medicine, Interventional Pain Medicine | 208VP0014X | MB05559400 | NJ |
| Pain Medicine, Pain Medicine | 208VP0000X | MB05559400 | 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 - Anesthesiology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 126 across 30 procedure codes |
| Paid by Medicare | $9,799 |
Part D prescriptions in 2024
| Prescriptions (claims) | 877 · 890 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $21,322 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Rowan University School of Osteopathic Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Anesthesiology |
| Telehealth | Offers telehealth |
Medical groups
- Barnabas Health Medical Group PCNewark, NJ · 1,070 clinicians
- Rwjbh Observation Associates LLCJersey City, NJ · 1,008 clinicians
Hospital affiliation
- Newark Beth Israel Medical CenterNewark, NJ
Industry payments (Open Payments)
- 2025$123.43 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $98.88 | 1 |
| Averitas Pharma Inc. | $24.55 | 1 |
What the 2025 payments were for
- Food and Beverage$123.43 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 anesthesiologists in Livingston · All anesthesiologists in New Jersey