Quick answers
- Does Karlton E. Nicholson I accept Medicare assignment?
- Yes. Medicare's clinician data says Karlton E. Nicholson I accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Karlton E. Nicholson I's NPI number?
- 1225513138. 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 Karlton E. Nicholson I is enrolled with Medicare (CMS data updated October 2, 2026).
- 1360 N Bullard Ave, Suite 200Goodyear, AZ 85395 (480) 849‑7705
Group practices
Medicare enrollment lists Karlton E. Nicholson I as a member of this group (CMS data updated October 2, 2026).
- Quality Mental Health Services QMHS LLC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Goodyear
Clinicians with the same Medicare primary specialty in Goodyear, AZ — not a recommendation.
Other clinicians in Quality Mental Health Services QMHS LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225513138 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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