Roberto Daniel Chang, M.D.
NPI 1669608923ActiveIndividual· Pain Medicine, Interventional Pain Medicine· Hoover, AL
Pain Medicine, Interventional Pain Medicine (M.D.) in Hoover, Alabama, trained at State University of New York Downstate Medical Center (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $777,344 for 11,045 claims, against $321,068 paid for services in 2024. Mml US, Inc. was the largest of 14 companies reporting payments in 2025, $4,075 in all, mostly food and beverage.
Overview
| NPI | 1669608923 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2009 |
| Last updated in NPPES | Oct 31, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pain Medicine, Interventional Pain Medicine Primary | 208VP0014X | 33173 | AL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Anesthesiology | 207L00000X | 33173 | AL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Pain Management (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 352 |
|---|---|
| Services billed | 8,944 across 60 procedure codes |
| Paid by Medicare | $321,068 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,045 · 11,974 30-day fills |
|---|---|
| Patients | 820 |
| Total drug cost | $777,344 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Interventional Pain Management |
| Secondary specialties | Anesthesiology |
Medical group
- Birmingham Pain Center Inc.Hoover, AL · 4 clinicians
Industry payments (Open Payments)
- 2025$4,075 · 108 payments from 14 companies
- 2024$1,820 · 104 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mml US, Inc. | $1,699 | 9 |
| Biotronik Nro, Inc. | $870.74 | 24 |
| Boston Scientific Corporation | $710.53 | 38 |
| Spr Therapeutics, Inc | $165.34 | 9 |
| Spinal Simplicity, LLC | $144.16 | 4 |
What the 2025 payments were for
- Food and Beverage$2,805 · 106 payments
- Travel and Lodging$1,271 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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