Quick answers
- Does Spencer J. Adams accept Medicare assignment?
- Yes. Medicare's clinician data says Spencer J. Adams 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 Spencer J. Adams see?
- In 2024, CMS data shows 618 Original Medicare patients and 2,277 services for Spencer J. Adams. This counts Original Medicare only and measures volume, not quality.
- What is Spencer J. Adams's NPI number?
- 1689105801. 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 Spencer J. Adams, 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 | 618 |
|---|---|
| Services billed to Medicare | 2,277 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)485 services
- Measurement of corneal curvature and depth of eye (92136)403 services
- Exam of visual field with extended testing (92083)297 services
- Imaging of optic nerve (92133)287 services
- Removal of cataract with insertion of prosthetic lens (66984)271 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 pressure75%
- High cholesterol75%
- Diabetes44%
- Arthritis43%
- Ischemic heart disease32%
- Chronic kidney disease26%
Practice locations
Addresses where Spencer J. Adams is enrolled with Medicare (CMS data updated October 2, 2026).
- 7075 N Sharon AveFresno, CA 93720 (559) 486‑2000
Group practices
Medicare enrollment lists Spencer J. Adams as a member of this group (CMS data updated October 2, 2026).
- Vision Care Center a Medical Group Inc19 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Fresno
Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.
Other clinicians in Vision Care Center a Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689105801 |
| 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