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- 900 W Yosemite Ave, Madera, CA 93637
About Dr. Grootendorst
John Grootendorst, DC is a healthcare provider in Madera, CA specializing in chiropractic. John trained at Life Chiropractic College, graduating in 1999. John is also listed as specializing in chiropractor. Medicare claims data shows John provided 944 services to 114 patients. The services billed most often include chiropractic manipulative treatment, 3-4 spinal regions. This provider record is associated with NPI 1780765073.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (559) 674-8892
- Email not available
Practice Locations
900 W YOSEMITE AVE
Madera, CA 93637
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
Arm & Elbow
Chronic pain
Foot & ankle
Head & jaw
Head & Neck
Hip & Pelvis
Joints
Leg & Foot
Muscles
Nerve
Nerve issues
Pediatric
Pregnancy
Shoulder & Arm
Spine
Spine & disc
- Herniated disc
- Poor Posture
- Rib pain
- Sacroiliac joint pain
- Scoliosis
- Spinal stenosis
- Stiff neck
- Tailbone pain
- Upper Back Pain
Trauma
Procedures & services
Most searched procedures
Adjustment
- Extremity adjustment
- Gonstead Adjustment
- Sacro-Occipital Technique
- Spinal manipulation
- Upper Cervical Adjustment
Adjustments
Advanced Procedures
Devices & supports
Diagnostics
Pediatrics
Prenatal care
Recovery
Rehab & exercise
Soft Tissue
Specialized Care
Spine & disc
Spine 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
Procedures Most Often Billed to Medicare
944 services · 114 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Chiropractic manipulative treatment, 3-4 spinal regions | Treatment | 98941 |
944 | More often than most peers in Chiropractic |
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 chiropractics at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other chiropractics in Madera 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Life Chiropractic College 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Life Chiropractic College 8
Providers who graduated from the same medical school in the same year.
Also performs Chiropractic manipulative treatment, 3-4 spinal regions 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Grootendorst?
Dr. Grootendorst is a chiropractic in Madera, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Grootendorst's address?
Dr. Grootendorst is listed at 900 W Yosemite Ave, Madera, CA 93637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Grootendorst?
The number on file is (559) 674-8892. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Grootendorst?
Dr. Grootendorst's National Provider Identifier is 1780765073. 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. Grootendorst train?
Dr. Grootendorst attended Life Chiropractic College, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Grootendorst have?
Dr. Grootendorst has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Grootendorst perform?
According to Medicare billing data, Dr. Grootendorst provides treatments such as chiropractic manipulative treatment, 3-4 spinal regions. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grootendorst's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grootendorst. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.