Patricia Roukee Sitnitsky, M.D.
Internal Medicine · Los Altos, CA
At a glance
827 Altos Oaks Dr Ste 4, Los Altos, CA 94024-5490
Published activity: Removal of skin lesions · Removal or shaving of skin growth. View counts and coverage
NPPES record updated May 29, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
827 Altos Oaks Dr Ste 4Los Altos, CA 94024-5490
Additional reported practice locations
525 South Dr Ste 211Mountain View, CA 940404211
Phone: 4084955770
Fax: 6509121129
Education & affiliations
- Medical / professional school
- Stanford University School Of Medicine
- Graduation year
- 2002
- CMS specialties
- Internal Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- El Camino Health Mountain View, CA
- Good Samaritan Hospital San Jose, CA
- Peninsula Medical Center Burlingame, CA
- Stanford Health Care Stanford, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Removal of skin lesions | 1-10 |
| Removal or shaving of skin growth | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $2,242.50 |
Reporting companies
| Company | Amount |
|---|---|
| LUNDBECK LLC | $270.79 |
| ABBVIE INC. | $250.75 |
| PFIZER INC. | $248.01 |
| GILEAD SCIENCES, INC. | $241.47 |
| LILLY USA, LLC | $237.96 |
| VIIV HEALTHCARE COMPANY | $198.75 |
| NOVO NORDISK INC | $170.16 |
| EISAI INC. | $150.79 |
| Other reporting companies | $473.82 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Aug 31, 2006
- Record updated
- May 29, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RB0002X
License reported: 89984281 CA
207R00000X · Primary
License reported: A88027 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
827 Altos Oaks Dr Ste 4Los Altos, CA 94024-5490
- Phone
- (408) 495-5770
- Fax
- (650) 912-1129
Mailing address
827 ALTOS OAKS DR STE 4LOS ALTOS, CA 940245490
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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