Quick answers
- Where does Donal A. Harless see patients?
- Medicare's clinician data lists 2 practice locations, including Modesto, CA. Call before your visit to confirm the address.
- What is Donal A. Harless's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Donal A. Harless accept Medicare assignment?
- Yes. Medicare's clinician data says Donal A. Harless accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Donal A. Harless?
- (209) 524-7796, as listed in official Medicare / NPI Registry data.
- What is Donal A. Harless's NPI number?
- 1629037759. 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 Donal A. Harless is enrolled with Medicare (CMS data updated 2026-10-02).
- 2801 Coffee RdModesto, CA 95355 (209) 524‑7796
- 2801 Coffee Rd, Suite A 1Modesto, CA 95355
Specialties
- Chiropracticprimary
Other chiropractors in Modesto
Clinicians with the same Medicare primary specialty in Modesto, CA — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Medical school | Cleveland Chiropractic College - Los Angeles |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629037759 |
| 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