Quick answers
- Where does John V. Gates see patients?
- Medicare's clinician data lists 2 practice locations, including Modesto, CA and Madera, CA. Call before your visit to confirm the address.
- What is John V. Gates's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Pediatric Medicine.
- Does John V. Gates accept Medicare assignment?
- Yes. Medicare's clinician data says John V. Gates 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 John V. Gates?
- (209) 572-3880, as listed in official Medicare / NPI Registry data.
- What is John V. Gates's NPI number?
- 1992773550. 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 V. Gates is enrolled with Medicare (CMS data updated 2026-10-02).
- 1524 McHenry AveModesto, CA 95350 (209) 572‑3880
- 9300 Valley Childrens PlMadera, CA 93636
Group practices
Medicare enrollment lists John V. Gates as a member of this group (CMS data updated 2026-10-02).
- Valley Childrens Medical Group50 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Pediatric Medicinealso
Other hematologist-oncologists in Modesto
Clinicians with the same Medicare primary specialty in Modesto, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992773550 |
| 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