Quick answers
- Does Resham S. Chahal accept Medicare assignment?
- Yes. Medicare's clinician data says Resham S. Chahal 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 Resham S. Chahal see?
- In 2024, CMS data shows 929 Original Medicare patients and 2,869 services for Resham S. Chahal. This counts Original Medicare only and measures volume, not quality.
- What is Resham S. Chahal's NPI number?
- 1023061959. 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 Resham S. Chahal, 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 | 929 |
|---|---|
| Services billed to Medicare | 2,869 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)818 services
- Photography of the retina (92250)355 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)314 services
- Ultrasound scan of cornea to determine thickness (76514)282 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)187 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%
- Diabetes46%
- Arthritis39%
- Chronic kidney disease25%
- Ischemic heart disease23%
Practice locations
Addresses where Resham S. Chahal is enrolled with Medicare (CMS data updated October 2, 2026).
- 1515 Contra Costa BlvdPleasant Hill, CA 94523 (925) 685‑1130
Group practices
Medicare enrollment lists Resham S. Chahal as a member of this group (CMS data updated October 2, 2026).
- Mission Hills Eye Center Medical Associates Inc2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Mission Hills Eye Center Medical Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023061959 |
| 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