Quick answers
- Does Lenore M. Sikorski accept Medicare assignment?
- Yes. Medicare's clinician data says Lenore M. Sikorski 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 Lenore M. Sikorski see?
- In 2024, CMS data shows 673 Original Medicare patients and 16,208 services for Lenore M. Sikorski. This counts Original Medicare only and measures volume, not quality.
- What is Lenore M. Sikorski's NPI number?
- 1558444083. 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 Lenore M. Sikorski, 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 | 673 |
|---|---|
| Services billed to Medicare | 16,208 |
| Different services or procedures | 88 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg (J7345)9,400 services
- Destruction of precancer skin growth, 2-14 growths (17003)2,337 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)796 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)581 services
- Destruction of precancer skin growth, 1 growth (17000)515 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 cholesterol75%
- High blood pressure54%
- Arthritis50%
- Osteoporosis23%
- Ischemic heart disease20%
- Anxiety18%
Practice locations
Addresses where Lenore M. Sikorski is enrolled with Medicare (CMS data updated October 2, 2026).
- 25500 Rancho Niguel RdLaguan Niguel, CA 92677 (949) 448‑0487
- 25500 Rancho Niguel Rd, Suite 280Laguna Niguel, CA 92677
Specialties
- Dermatologyprimary
Other dermatologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Rochester School Of Medicine And Dentistry |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558444083 |
| 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