Based in Providence, RI, John Charles Mach, DO is listed in the NPI registry under diagnostic radiology. John graduated from University of New England, College of Osteo Medicine in 2018. John is also listed as specialising in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Mach is a diagnostic radiology in Providence, RI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Dr. Mach is listed at 593 EDDY ST, Providence, RI 02903. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (401) 432-2500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Mach's National Provider Identifier is 1104312909. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Mach attended University of New England, College of Osteo Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mach has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mach performs imaging including ct scan head or brain without contrast and mri scan of brain before and after contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mach. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
593 EDDY ST
Providence, RI 02903
9,453 services · 752 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
72 |
| Mri scan of brain before and after contrast | Imaging | 70553 |
71 |
| Mri scan of brain without contrast | Imaging | 70551 |
67 |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
63 |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
58 |
| X-ray of chest, 2 views | Imaging | 71046 |
47 |
| Mri scan of brain without contrast | Imaging | 70551 |
37 |
| X-ray of chest, 1 view | Imaging | 71045 |
30 |
| Mri scan of brain before and after contrast | Imaging | 70553 |
29 |
| Mri scan of upper spinal canal without contrast | Imaging | 72141 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in RI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.