Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1942802376 Individual Practitioner Male Practitioner

John-Michael Patrick Riegger , PA-C

Physician Assistant • Chattanooga, TN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

John-Michael Riegger, PA-C is a certified Physician Assistant practicing in Chattanooga, TN. With approximately 6 years of clinical experience since completing medical education in 2020, John-Michael Riegger delivers high-quality medical care to the local community at 2415 MCCALLIE AVE.

John-Michael Riegger is affiliated with Chattanooga Orthopaedic Group, Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, hyaluronan or derivative, triluron, for intra-articular injection, 1 mg, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2415 Mccallie Ave

Chattanooga, TN 374043322

Telephone 4236242696
Fax 4236226249
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2020

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Chattanooga, TN

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -4.3 yrs vs City Avg
City Avg: 10.3 Yrs
State Avg: 10.5 Yrs
Regional Practice Density
153 Specialists

Practicing in Chattanooga, TN (3096 Statewide)

Telehealth Adoption Rate
3.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
89.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Riegger (6 Years) 6 Yrs
Chattanooga Specialty Average (10.3 Years) 10.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
J1010 Injection, methylprednisolone acetate, 1 mg
2,960 54 $0.40 $0.13
J7332 Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg
2,120 27 $37.50 $10.15
99213 Established patient office or other outpatient visit, typically 15 minutes
187 133 $213.00 $76.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
180 125 $329.00 $108.51
20610 Aspiration and/or injection of fluid from large joint
172 82 $414.64 $61.86
73564 X-ray of knee, 4 or more views
53 43 $197.00 $40.19
73502 X-ray of hip, 2-3 views
48 43 $198.00 $39.08
72100 X-ray of lower and sacral spine, 2-3 views
38 36 $181.00 $32.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
35 35 $518.00 $142.70
73562 X-ray of knee, 3 views
22 20 $165.00 $32.35
J1030 Injection, methylprednisolone acetate, 40 mg
16 16 $25.00 $6.36
27447 Replacement of knee joint, both sides of knee
16 16 $4517.00 $155.48
72110 X-ray of lower and sacral spine, minimum of 4 views
11 11 $255.00 $44.80

Medical Specialties & State Licenses

CMS Verified: 2025-05-16
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TN 5716

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License GA 10297

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License KY 1179376

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Chattanooga Orthopaedic Group, Pc

2400 N Ocoee St, Cleveland, TN 373113854

Phone: 4236242696

Chattanooga Orthopaedic Group, Pc

24 Mountain View Dr, Kimball, TN 373475478

Phone: 4236242696

Chattanooga Orthopaedic Group, Pc

2415 Mccallie Ave, Chattanooga, TN 374043322

Phone: 4236242696

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Thomas Beeler , DPT

Physical Therapist

NPI 1013409309

Doctor of Physical Therapy

Daniel Travis , OTR

Occupational Therapist

NPI 1033693536

Occupational Therapist Registered

Ann Ripper , PA-C

Physician Assistant

NPI 1033984018

Physician Assistant (Certified)

Aleks Dinin

Physical Therapist

NPI 1053066258
Dr. J Martz , DO

Orthopaedic Surgery

NPI 1053395558

Doctor of Osteopathic Medicine (D.O.)

Stacy Nelms , PT

Physical Therapist

NPI 1053401208

Physical Therapist

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location May 16, 2025

Registered at 2415 MCCALLIE AVE, CHATTANOOGA, TN 374043322 (Tel: 4236242696)

📍
Updated Business Mailing Address May 16, 2025

Registered at 2415 MCCALLIE AVE, CHATTANOOGA, TN 374043322 (Tel: 4236242696)

📍
Updated Practice Location March 05, 2021

Registered at 1336 HIGHWAY 54 W BLDG 500, FAYETTEVILLE, GA 302144574 (Tel: 7704611238)

📍
Updated Business Mailing Address March 05, 2021

Registered at 1336 HIGHWAY 54 W BLDG 500, FAYETTEVILLE, GA 302144574 (Tel: 7704611238)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 05, 2021

Physician Assistant (License #10297 in GA)

NPI Profile Active November 10, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location November 10, 2020

Registered at 535 WELLINGTON WAY STE 330, LEXINGTON, KY 405031331 (Tel: 8595234375)

📍
Updated Business Mailing Address November 10, 2020

Registered at 1916 ALEXANDRIA DR, LEXINGTON, KY 405043108 (Tel: 8593513730)

👤
Provider Name / Credentials Updated November 10, 2020

Recorded as JOHN-MICHAEL RIEGGER, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 10, 2020

Physician Assistant (License #1179376 in KY)

🟢
Initial NPI Registration & Enumeration November 10, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1942802376
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 10, 2020
Last Update: May 16, 2025
Sole Proprietor: No

Mailing Address

2415 Mccallie Ave

Chattanooga, TN 374043322

Phone: 4236242696

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.