Nehemiah Chang, MD
NPI 1821519182ActiveIndividual· Family Medicine· Colton, CA
Family Medicine (MD) with County of San Bernardino and 2 other groups, practicing in Colton, California. Their prescriptions cost Medicare Part D more than their services did: $363,304 for 3,134 claims, against $20,496 paid for services in 2024. Exact Sciences Corporation reported $18.91 in payments in 2024, mostly food and beverage. Lists Arrowhead Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1821519182 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 27, 2017 |
| Last updated in NPPES | Apr 12, 2024 |
| Certified by provider | Apr 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A166447 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 365 across 21 procedure codes |
| Paid by Medicare | $20,496 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,134 · 5,529 30-day fills |
|---|---|
| Patients | 306 |
| Total drug cost | $363,304 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- County of San BernardinoOntario, CA · 79 clinicians
- Vituity Physician Services PCRialto, CA · 60 clinicians
- Vituity Healthcare Services PCColton, CA · 28 clinicians
Hospital affiliation
- Arrowhead Regional Medical CenterColton, CA
Industry payments (Open Payments)
- 2024$18.91 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $18.91 | 1 |
What the 2024 payments were for
- Food and Beverage$18.91 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 90 family medicine physicians in Colton · All family medicine physicians in California