Quick answers
- Which hospitals does Mark G. Webb work at?
- Medicare's official clinician data lists Mark G. Webb at 2 hospitals: Honor Health John C. Lincoln Medical Center and HonorHealth Scottsdale Shea Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark G. Webb see patients?
- Medicare's clinician data lists 1 practice location in Scottsdale, AZ. Call before your visit to confirm the address.
- What is Mark G. Webb's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
- Does Mark G. Webb accept Medicare assignment?
- Yes. Medicare's clinician data says Mark G. Webb 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 Mark G. Webb?
- (480) 991-5088, as listed in official Medicare / NPI Registry data.
- What is Mark G. Webb's NPI number?
- 1255396867. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark G. Webb works
Medicare's Facility Affiliation Data lists Mark G. Webb at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ · Acute Care Hospital · CCN 030014
- HonorHealth Scottsdale Shea Medical CenterScottsdale, AZ · Acute Care Hospital · CCN 030087
Practice locations
Addresses where Mark G. Webb is enrolled with Medicare (CMS data updated 2026-10-02).
- 10900 N Scottsdale Rd, Suite 206Scottsdale, AZ 85254 (480) 991‑5088
Group practices
Medicare enrollment lists Mark G. Webb as a member of this group (CMS data updated 2026-10-02).
- Valley Internal Medicine and Pediatrics, P.C.4 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Scottsdale
Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255396867 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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