Quick answers
- Which hospitals does Mark D. Whitaker work at?
- Medicare's official clinician data lists Mark D. Whitaker at 2 hospitals: Honor Health John C. Lincoln Medical Center and HonorHealth Deer Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark D. Whitaker see patients?
- Medicare's clinician data lists 1 practice location in Phoenix, AZ. Call before your visit to confirm the address.
- What is Mark D. Whitaker's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark D. Whitaker accept Medicare assignment?
- Yes. Medicare's clinician data says Mark D. Whitaker 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.
- Does Mark D. Whitaker offer telehealth?
- Medicare's clinician data says Mark D. Whitaker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark D. Whitaker?
- (623) 780-1999, as listed in official Medicare / NPI Registry data.
- What is Mark D. Whitaker's NPI number?
- 1578572384. 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 D. Whitaker works
Medicare's Facility Affiliation Data lists Mark D. Whitaker 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 Deer Valley Medical CenterPhoenix, AZ · Acute Care Hospital · CCN 030092
Practice locations
Addresses where Mark D. Whitaker is enrolled with Medicare (CMS data updated 2026-10-02).
- 19636 N 27th Ave, Suite 308Phoenix, AZ 85027 (623) 780‑1999
Group practices
Medicare enrollment lists Mark D. Whitaker as a member of this group (CMS data updated 2026-10-02).
- HonorHealth Medical Group, LLC332 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578572384 |
| 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