Physician Profile
Unclaimed ProfileAbout MAYFIELD
John L Mayfield, DOCTOR OF CHIROPRACT is a healthcare provider in Grass Valley, CA specialising in chiropractic. 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 does Dr. Mayfield specialise in?
Dr. Mayfield is a chiropractic in Grass Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CHIROPRACTIC”.
NPI registry
Where is Dr. Mayfield located?
Dr. Mayfield is listed at 565 BRUNSWICK ROAD SUITE 12, Grass Valley, CA 95945. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mayfield's phone number?
The number on file is (530) 272-8839. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mayfield?
Dr. Mayfield's National Provider Identifier is 1255366381. 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. Mayfield go to medical school?
Dr. Mayfield attended Other, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mayfield have?
Dr. Mayfield has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Mayfield do most often?
According to Medicare billing data, Dr. Mayfield 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. Mayfield's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mayfield. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (530) 272-8839
- Email not available
Practice Locations
565 BRUNSWICK ROAD SUITE 12
Grass Valley, CA 95945
Procedures Most Often Billed to Medicare
237 services · 27 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Chiropractic manipulative treatment, 3-4 spinal regions | Treatment | 98941 |
237 |
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 4
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 Grass Valley 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1972 at Other 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.