Quick answers
- Does Elena V. Gelfand accept Medicare assignment?
- Yes. Medicare's clinician data says Elena V. Gelfand 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 Elena V. Gelfand see?
- In 2024, CMS data shows 225 Original Medicare patients and 1,141 services for Elena V. Gelfand. This counts Original Medicare only and measures volume, not quality.
- What is Elena V. Gelfand's NPI number?
- 1154342343. 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 Elena V. Gelfand, 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 | 225 |
|---|---|
| Services billed to Medicare | 1,141 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)538 services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)322 services
- Dialysis services, 1 physician visit per month (20 years or older) (90962)112 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)63 services
- Critical care, first 30-74 minutes (99291)39 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%
- Chronic kidney disease75%
- Diabetes73%
- Heart failure72%
- Ischemic heart disease58%
Practice locations
Addresses where Elena V. Gelfand is enrolled with Medicare (CMS data updated October 2, 2026).
- 1111 Exposition Blvd, Suite 300Sacramento, CA 95815 (916) 564‑6232
Group practices
Medicare enrollment lists Elena V. Gelfand as a member of this group (CMS data updated October 2, 2026).
- Capital Nephrology Medical Group21 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Sacramento
Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.
Other clinicians in Capital Nephrology Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154342343 |
| 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