Quick answers
- Which hospitals does David Knapp work at?
- Medicare's official clinician data lists David Knapp at 4 hospitals: Canyon Vista Medical Center, Copper Queen Community Hospital, St Joseph's Hospital and Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Knapp see patients?
- Medicare's clinician data lists 1 practice location in Sierra Vista, AZ. Call before your visit to confirm the address.
- What is David Knapp's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Family Practice.
- Does David Knapp accept Medicare assignment?
- Yes. Medicare's clinician data says David Knapp 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 David Knapp's NPI number?
- 1376735613. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Knapp works
Medicare's Facility Affiliation Data lists David Knapp at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Canyon Vista Medical CenterSierra Vista, AZ · Acute Care Hospital · CCN 030043
- Copper Queen Community HospitalBisbee, AZ · Critical Access Hospital · CCN 031312
- St Joseph's HospitalTucson, AZ · Acute Care Hospital · CCN 030011
- Tucson Medical CenterTucson, AZ · Acute Care Hospital · CCN 030006
Practice locations
Addresses where David Knapp is enrolled with Medicare (CMS data updated 2026-10-02).
- 75 Colonia De Salud, 200aSierra Vista, AZ 85635
Specialties
- Internal Medicineprimary
- Family Practicealso
Other internal medicine doctors in Sierra Vista
Clinicians with the same Medicare primary specialty in Sierra Vista, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376735613 |
| 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