Quick answers
- Does Alexander D. Shaft accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander D. Shaft 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.
- How many Medicare patients does Alexander D. Shaft see?
- In 2024, CMS data shows 267 Original Medicare patients and 1,157 services for Alexander D. Shaft. This counts Original Medicare only and measures volume, not quality.
- What is Alexander D. Shaft's NPI number?
- 1063876688. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Alexander D. Shaft, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 267 |
|---|---|
| Services billed to Medicare | 1,157 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Injection, midazolam hydrochloride, per 1 mg (J2250)476 services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)216 services
- Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (G0121)98 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)64 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)56 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure69%
- High cholesterol69%
- Arthritis38%
- Diabetes37%
- Ischemic heart disease18%
- Anxiety18%
Practice locations
Addresses where Alexander D. Shaft is enrolled with Medicare (CMS data updated October 2, 2026).
- 130 Cedar RdVista, CA 92083 (760) 806‑5400
- 131 Orange Ave, Suite 101Coronado, CA 92118 (619) 990‑1698
Group practices
Medicare enrollment lists Alexander D. Shaft as a member of these groups (CMS data updated October 2, 2026).
- Scripps Health1,433 clinicians in the group
- Southern California Liver Centers Inc7 clinicians in the group
Specialties
- Family Practiceprimary
- General Practicealso
- General Surgeryalso
Other family doctors in Vista
Clinicians with the same Medicare primary specialty in Vista, CA — not a recommendation.
Other clinicians in Scripps Health
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nevada School Of Medicine |
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063876688 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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