Quick answers
- Does Whitney A. Fisk accept Medicare assignment?
- Yes. Medicare's clinician data says Whitney A. Fisk 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 Whitney A. Fisk see?
- In 2024, CMS data shows 602 Original Medicare patients and 4,491 services for Whitney A. Fisk. This counts Original Medicare only and measures volume, not quality.
- What is Whitney A. Fisk's NPI number?
- 1306194584. 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 Whitney A. Fisk, 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 | 602 |
|---|---|
| Services billed to Medicare | 4,491 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,335 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)520 services
- Destruction of skin growth, 1-14 growths (17110)438 services
- Destruction of precancer skin growth, 1 growth (17000)381 services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)370 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 cholesterol72%
- High blood pressure62%
- Arthritis41%
- Anxiety19%
- Osteoporosis19%
- Ischemic heart disease18%
Practice locations
Addresses where Whitney A. Fisk is enrolled with Medicare (CMS data updated October 2, 2026).
- 165 Lynch Creek WayPetaluma, CA 94954 (707) 762‑5531
Group practices
Medicare enrollment lists Whitney A. Fisk as a member of this group (CMS data updated October 2, 2026).
- Eitan Homa MD and Jennifer Krasnoff MD Inc5 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Petaluma
Clinicians with the same Medicare primary specialty in Petaluma, CA — not a recommendation.
Other clinicians in Eitan Homa MD and Jennifer Krasnoff MD Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306194584 |
| 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