Physician Profile
Unclaimed ProfileAbout GROOTENDORST
John Grootendorst, DC is a healthcare provider in Madera, CA specialising in chiropractic. John trained at Life Chiropractic College, graduating in 1999. John is also listed as specialising in chiropractor.
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
Common questions
What kind of doctor is Dr. Grootendorst?
Dr. Grootendorst is a chiropractic in Madera, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CHIROPRACTIC”.
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (559) 674-8892
- Email not available
Practice Locations
900 W YOSEMITE AVE
Madera, CA 93637
Procedures Most Often Billed to Medicare
944 services · 114 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Chiropractic manipulative treatment, 3-4 spinal regions | Treatment | 98941 |
944 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.