John William Chatas, MD
NPI 1083710107ActiveIndividual· Pain Medicine, Interventional Pain Medicine· Ann Arbor, MI
Pain Medicine, Interventional Pain Medicine (MD) in Ann Arbor, Michigan, trained at University of Michigan Medical School (class of 1987). 201 Medicare patients in 2024, $188,670 paid; nearly all of their 195 Part D prescriptions were generic (96%). Saluda Medical Americas, Inc. was the largest of 11 companies reporting payments in 2025, $1,103 in all, mostly food and beverage.
Overview
| NPI | 1083710107 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 16, 2006 |
| Last updated in NPPES | Feb 25, 2025 |
| Certified by provider | Feb 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pain Medicine, Interventional Pain Medicine Primary | 208VP0014X | 4301051247 | MI |
| Anesthesiology | 207L00000X | 4301051247 | MI |
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 - Interventional Pain Management (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 29,427 across 82 procedure codes |
| Paid by Medicare | $188,670 |
Part D prescriptions in 2024
| Prescriptions (claims) | 195 · 200 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $4,441 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Interventional Pain Management |
| Secondary specialties | Anesthesiology |
| Telehealth | Offers telehealth |
Medical group
- Michigan Pain Specialists, PLLCAnn Arbor, MI · 8 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- Promedica Charles and Virginia Hickman HospitalAdrian, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
Industry payments (Open Payments)
- 2025$1,103 · 37 payments from 11 companies
- 2024$1,038 · 38 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Saluda Medical Americas, Inc. | $221.93 | 3 |
| Boston Scientific Corporation | $194.60 | 14 |
| Globus Medical, Inc. | $182.32 | 6 |
| Bioventus LLC | $144.58 | 1 |
| Abbott Laboratories | $104.28 | 1 |
What the 2025 payments were for
- Food and Beverage$1,103 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 interventional pain physicians in Ann Arbor · All interventional pain physicians in Michigan