Quick answers
- Does Christopher J. Gualtieri accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher J. Gualtieri 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 Christopher J. Gualtieri see?
- In 2024, CMS data shows 338 Original Medicare patients and 727 services for Christopher J. Gualtieri. This counts Original Medicare only and measures volume, not quality.
- What is Christopher J. Gualtieri's NPI number?
- 1790769156. 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 Christopher J. Gualtieri, 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 | 338 |
|---|---|
| Services billed to Medicare | 727 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)255 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)203 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)55 services
- Removal of cataract with insertion of prosthetic lens (66984)44 services
- Ultrasound scan to determine eye length and lens power (76519)23 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 cholesterol74%
- High blood pressure68%
- Arthritis45%
- Diabetes25%
- Ischemic heart disease25%
- Chronic kidney disease23%
Practice locations
Addresses where Christopher J. Gualtieri is enrolled with Medicare (CMS data updated October 2, 2026).
- 3969 4th Ave, Suite 300San Diego, CA 92103 (619) 688‑2648
Specialties
- Ophthalmologyprimary
Other ophthalmologists in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790769156 |
| 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