Daniel Allen Ng, MD
NPI 1265523351ActiveIndividual· Colon & Rectal Surgery· Newport Beach, CA
Colon & Rectal Surgery (MD) with Hoag Clinic, practicing in Newport Beach, California. 585 Medicare patients in 2024, $203,630 paid; nearly all of their 399 Part D prescriptions were generic (93%). Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $152.00 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1265523351 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 27, 2006 |
| Last updated in NPPES | Nov 3, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | G70052 | 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 - Colorectal Surgery (Proctology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 585 |
|---|---|
| Services billed | 1,639 across 61 procedure codes |
| Paid by Medicare | $203,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 399 · 406 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $9,380 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
Medical group
- Hoag ClinicNewport Beach, CA · 460 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Other facilities
- Hoag Home HealthHome health agency · Newport Beach, CA
Industry payments (Open Payments)
- 2025$152.00 · 3 payments from 3 companies
- 2024$140.11 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $78.44 | 1 |
| Madrigal Pharmaceuticals | $43.15 | 1 |
| Lilly USA, LLC | $30.41 | 1 |
What the 2025 payments were for
- Food and Beverage$152.00 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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