Quick answers
- Does Elizabeth L. Gutmark accept Medicare assignment?
- Yes. Medicare's clinician data says Elizabeth L. Gutmark 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 Elizabeth L. Gutmark see?
- In 2024, CMS data shows 2,250 Original Medicare patients and 5,976 services for Elizabeth L. Gutmark. This counts Original Medicare only and measures volume, not quality.
- What is Elizabeth L. Gutmark's NPI number?
- 1730364654. 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 Elizabeth L. Gutmark, 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 | 2,250 |
|---|---|
| Services billed to Medicare | 5,976 |
| Different services or procedures | 67 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)3,849 services
- Destruction of precancer skin growth, 2-14 growths (17003)657 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)326 services
- Biopsy of related skin growth, first growth (11102)150 services
- Destruction of precancer skin growth, 1 growth (17000)134 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 pressure69%
- Arthritis47%
- Diabetes25%
- Ischemic heart disease25%
- Chronic kidney disease21%
Practice locations
Addresses where Elizabeth L. Gutmark is enrolled with Medicare (CMS data updated October 2, 2026).
- 1127 Wilshire Blvd, Suite 600Los Angeles, CA 90017 (213) 278‑0021
- 2420 Samaritan DrSan Jose, CA 95124 (408) 369‑5600
Group practices
Medicare enrollment lists Elizabeth L. Gutmark as a member of this group (CMS data updated October 2, 2026).
- Csi Medical Group111 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Csi Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730364654 |
| 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