Quick answers
- Where does John K. Maltby see patients?
- Medicare's clinician data lists 1 practice location in Sonora, CA. Call before your visit to confirm the address.
- What is John K. Maltby's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does John K. Maltby accept Medicare assignment?
- Medicare's clinician data says John K. Maltby may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for John K. Maltby?
- (209) 288-6530, as listed in official Medicare / NPI Registry data.
- What is John K. Maltby's NPI number?
- 1164805750. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John K. Maltby is enrolled with Medicare (CMS data updated 2026-10-02).
- 940 Sylva Ln, Suite BSonora, CA 95370 (209) 288‑6530
Group practices
Medicare enrollment lists John K. Maltby as a member of this group (CMS data updated 2026-10-02).
- M A C T Health Board Incorporated22 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Sonora
Clinicians with the same Medicare primary specialty in Sonora, CA — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1164805750 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians