Physician Profile
Unclaimed ProfileAbout RIEGGER
John-Michael Patrick Riegger, PA-C is a physician assistant practicing in Chattanooga, TN. According to Medicare claims data, John-Michael cared for 641 Medicare patients across 5,858 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (423) 624-2696
- Email not available
Practice Locations
2415 MCCALLIE AVE
Chattanooga, TN 37404
Procedures Most Often Billed to Medicare
5,858 services · 641 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
172 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
16 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
53 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
48 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
38 |
| X-ray of knee, 3 views | Imaging | 73562 |
22 |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
11 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
2,960 |
| Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg | Drug given | J7332 |
2,120 |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other physician assistants in Chattanooga 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in TN who bill this service to Medicare most often.
Common questions
What is Dr. Riegger's specialty?
Dr. Riegger is a physician assistant in Chattanooga, TN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where can I find Dr. Riegger?
Dr. Riegger is listed at 2415 MCCALLIE AVE, Chattanooga, TN 37404. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Riegger?
The number on file is (423) 624-2696. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Riegger's NPI number?
Dr. Riegger's National Provider Identifier is 1942802376. 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
What is Dr. Riegger's medical education?
Dr. Riegger attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Riegger been practicing?
Dr. Riegger has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Riegger known for?
According to Medicare billing data, Dr. Riegger performs procedures including aspiration and/or injection of fluid from large joint and replacement of knee joint, both sides of knee; reads or performs imaging such as x-ray of knee, 4 or more views and x-ray of hip, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Riegger confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Riegger. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.