John-Michael Riegger, PA-C
NPI 1942802376 · Physician Assistant · Chattanooga, TN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John-Michael Riegger, PA-C is a Physician Assistant provider in Chattanooga, TN (NPI 1942802376).
Provider details
- NPI number
- 1942802376
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 10297 (GA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
762 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 187 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 180 | $109 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 172 | $62 |
| X-Ray of Knee, 4 Or More Views73564 | 53 | $40 |
| X-Ray of Hip, 2-3 Views73502 | 48 | $39 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 38 | $32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 112 | 106 |
| Gabapentin | 107 | 69 |
| Ibuprofen | 81 | 42 |
| Diclofenac Sodium | 69 | 37 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 46 | 34 |
| Tramadol Hcl | 43 | 25 |
| Meloxicam | 39 | 14 |
| Cefdinir |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-11-10
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is John-Michael Riegger's NPI number?
- John-Michael Riegger's National Provider Identifier (NPI) is 1942802376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John-Michael Riegger's specialty?
- John-Michael Riegger is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John-Michael Riegger located?
- John-Michael Riegger's practice location on file with NPPES is 2415 Mccallie Ave, Chattanooga, TN 37404-3322.
- What is John-Michael Riegger's phone number?
- The practice phone number listed in the NPPES registry for John-Michael Riegger is (423) 624-2696.
- Does John-Michael Riegger accept Medicare?
- John-Michael Riegger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John-Michael Riegger's NPI active?
- Yes — John-Michael Riegger's NPI (1942802376) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.