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Active NPI 1255366381 Individual Practitioner Male Practitioner

John L Mayfield , DOCTOR OF CHIROPRACT

Chiropractor • Grass Valley, CA

Professional Overview & Biography Verified Profile Summary

John Mayfield, DOCTOR OF CHIROPRACT is a certified Chiropractor practicing in Grass Valley, CA. With approximately 54 years of clinical experience since completing medical education in 1972, John Mayfield delivers high-quality medical care to the local community at 565 BRUNSWICK ROAD.

John Mayfield does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include chiropractic manipulative treatment, 3-4 spinal regions. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

565 Brunswick Road
Suite 12

Grass Valley, CA 95945

Telephone 5302728839
Fax 5302729057
Associated Practice Facility / Clinic
🏢 P. Haines Ely, M.d. Inc. Facility NPI 1730304213

Medicare Profile & Education

Medical School

Other

Graduation Year

1972

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Grass Valley, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
54 Yrs +11.3 yrs vs City Avg
City Avg: 42.7 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
28 Specialists

Practicing in Grass Valley, CA (12100 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
13.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mayfield (54 Years) 54 Yrs
Grass Valley Specialty Average (42.7 Years) 42.7 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
98941 Chiropractic manipulative treatment, 3-4 spinal regions
237 27 $44.04 $38.20

Medical Specialties & State Licenses

Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

State License CA DC10905

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

Practice Associates & Co-Workers

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

3 Associated Practitioners
Dr. Pamlyn Kelly , PhD

Psychologist - Clinical

NPI 1861617243

Doctor of Philosophy (Ph.D.)

NPI 1902002199
NPI 1912918855

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 565 BRUNSWICK ROAD, SUITE 12, GRASS VALLEY, CA 95945 (Tel: 5302728839)

📍
Updated Business Mailing Address July 08, 2007

Registered at 565 BRUNSWICK ROAD, SUITE 12, GRASS VALLEY, CA 95945 (Tel: 5302728839)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN MAYFIELD, DOCTOR OF CHIROPRACT

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Chiropractor (License #DC10905 in CA)

🟢
Initial NPI Registration & Enumeration July 11, 2006

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: 1255366381
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 11, 2006
Last Update: July 08, 2007
Sole Proprietor: No

Mailing Address

565 Brunswick Road, Suite 12

Grass Valley, CA 95945

Phone: 5302728839

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.