Provider Profile
John J. Riordan, DC
Unclaimed ProfileAbout Dr. Riordan
Listed in the NPI registry as a chiropractor, John J. Riordan, DC practices in Warrensburg, MO. John graduated from Northwestern College of Chiropractic in 1993. According to Medicare claims data, John cared for 81 Medicare patients across 671 services. The services billed most often include chiropractic manipulative treatment, 3-4 spinal regions and chiropractic manipulative treatment, 1-2 spinal regions.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (660) 422-7246
- Email not available
Practice Locations
420 EAST YOUNG AVENUE
Warrensburg, MO 64093
Conditions Supported and Services
Within Chiropractic generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Back pain
- Headaches
- Neck pain
- Sciatica
- Sports injuries
- Whiplash
Arm & Elbow
- Golfer's elbow
Chronic pain
- Fibromyalgia
Foot & ankle
- Ankle sprain
- Heel pain
Head & jaw
- Benign paroxysmal positional vertigo
- Temporomandibular joint disorder
Head & Neck
- Dizziness And Unsteadiness
- Migraines
- Muscle Spasms & Twitches
Hip & Pelvis
- Femoroacetabular impingement
- Leg Length Discrepancy
- Piriformis syndrome
Joints
- Knee pain
- Lateral hip pain and trochanteric bursitis
- Osteoarthritis
- Shoulder Pain
- Tennis elbow
Leg & Foot
- Achilles Tendon Pain
- Calf and Hamstring Cramps
- Flat Feet
- Shin Splints
Muscles
- Muscle spasms
- Pulled back muscle
- Repetitive strain injury
Nerve
- Numbness & Tingling
Nerve issues
- Carpal tunnel
- Peripheral neuropathy
- Pinched nerve
Pediatric
- Infant colic
Pregnancy
- Pregnancy back pain
Shoulder & Arm
- Frozen shoulder
- Rotator cuff injury
Spine
- Degenerative disc disease
- Spondylolisthesis
Spine & disc
- Herniated disc
- Poor Posture
- Rib pain
- Sacroiliac joint pain
- Scoliosis
- Spinal stenosis
- Stiff neck
- Tailbone pain
- Upper Back Pain
Trauma
- Car accident injuries
Procedures & services
Most searched procedures
- Cold laser therapy
- Soft tissue therapy
- Spinal adjustment
- Spinal decompression
Adjustment
- Extremity adjustment
- Gonstead Adjustment
- Sacro-Occipital Technique
- Spinal manipulation
- Upper Cervical Adjustment
Adjustments
- Activator method
- Drop table adjustment
- Joint Mobilization
Advanced Procedures
- Manipulation Under Anesthesia
Devices & supports
- Custom orthotics
- Kinesiology taping
Diagnostics
- Gait analysis
- Spinal X-Rays
Pediatrics
- Pediatric chiropractic adjustment
Prenatal care
- Webster technique
Recovery
- Compression boot therapy
Rehab & exercise
- Corrective exercises
- Posture Correction Therapy
- Whole body vibration therapy
Soft Tissue
- Medical Massage
- Myofascial release
- Percussion Massage Therapy
- Trigger Point Therapy
Specialized Care
- Postpartum Chiropractic Care
Spine & disc
- Back And Neck Traction
- Flexion distraction therapy
Spine Therapy
- Chiropractic BioPhysics
- Roller Table Therapy
Therapy
- Active release technique
- Acupressure
- Craniosacral therapy
- Cupping Therapy
- Dry needling
- Electrical muscle stimulation
- Infrared Sauna Therapy
- Muscle Scraping
- Pulsed electromagnetic field therapy
- Red light therapy
- Shockwave Therapy
- Therapeutic Ultrasound
- Wart Removal
Wellness
- Ergonomic assessment
- Functional Medicine Consultation
Procedures Most Often Billed to Medicare
671 services · 81 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Chiropractic manipulative treatment, 3-4 spinal regions | Treatment | 98941 |
584 | More often than most peers in Chiropractor |
| Chiropractic manipulative treatment, 1-2 spinal regions | Treatment | 98940 |
87 | Less often than most peers in Chiropractor |
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 chiropractors in Warrensburg 7
Same specialty, same city.
Trained at Northwestern College of Chiropractic 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Northwestern College of Chiropractic 8
Providers who graduated from the same medical school in the same year.
More connections — 7 related providers in 1 group
Also performs Chiropractic manipulative treatment, 3-4 spinal regions 7
Providers in MO who bill this service to Medicare most often.
Common questions
What does Dr. Riordan specialize in?
Dr. Riordan is a chiropractor in Warrensburg, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Riordan located?
Dr. Riordan is listed at 420 East Young Avenue, Warrensburg, MO 64093. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Riordan's phone number?
The number on file is (660) 422-7246. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Riordan's NPI number?
Dr. Riordan's National Provider Identifier is 1558490524. 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
Where did Dr. Riordan go to medical school?
Dr. Riordan attended Northwestern College of Chiropractic, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Riordan been practicing?
Dr. Riordan has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Riordan do most often?
According to Medicare billing data, Dr. Riordan provides treatments such as chiropractic manipulative treatment, 3-4 spinal regions and chiropractic manipulative treatment, 1-2 spinal regions. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Riordan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Riordan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.