Quick answers
- Where does Gregory D. Layton see patients?
- Medicare's clinician data lists 2 practice locations, including Mesa, AZ. Call before your visit to confirm the address.
- What is Gregory D. Layton's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Gregory D. Layton accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory D. Layton 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 Gregory D. Layton?
- (480) 644-1001, as listed in official Medicare / NPI Registry data.
- What is Gregory D. Layton's NPI number?
- 1104881986. 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 Gregory D. Layton is enrolled with Medicare (CMS data updated 2026-10-02).
- 4824 E Baseline Rd, Suite 129Mesa, AZ 85206 (480) 644‑1001
- 4864 E Baseline Rd, Suite 101Mesa, AZ 85206 (480) 644‑1001
Group practices
Medicare enrollment lists Gregory D. Layton as a member of this group (CMS data updated 2026-10-02).
- Women's Care Arizona, LLC35 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Mesa
Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Utah School Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104881986 |
| 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