Patricia Roukee Sitnitsky, M.D.
Internal Medicine Physician · Los Altos, CA
Patricia Roukee Sitnitsky, M.D. is an internal medicine physician with a practice address in Los Altos, California, and NPI 1790896231, issued on Aug 31, 2006. Check the license (California A88027, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patricia Roukee Sitnitsky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A88027 CA
89984281 CA
Self-reported in NPPES; status is on the state search - Practice location
- 827 Altos Oaks Dr Ste 4, Los Altos, CA 94024
- Phone
- (408) 495-5770
- Enumerated
- Aug 31, 2006
- Record last updated
- May 29, 2025
- Fax
- (650) 912-1129
- Medicare enrollment
- Enrolled (PECOS I20050613000617); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 827 Altos Oaks Dr Ste 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ganna Baetge, PA-CPhysician Assistant1174883250
- Situ SunAcupuncturist1730599630
Verify Patricia Roukee Sitnitsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88027Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,223 Medicare Part D claims for 313 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Rosuvastatin Calcium150 claims
- Atorvastatin Calcium101 claims
- Amlodipine Besylate94 claims
- Lisinopril82 claims
- Ozempic78 claims
- Levothyroxine Sodium64 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $3,213.60
82 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Patricia Sitnitsky PCLos Altos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patricia Roukee Sitnitsky among 17,696 internal medicine physician records in California
Patricia Roukee Sitnitsky, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 internal medicine physician records list a practice address in Los Altos
They are 29 of the 718 NPPES records with a practice address in Los Altos, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Altos → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Hamman, M.D.Los Altos, CA 940241306289004
- Simon Humphries, MDLos Altos, CA 940241023149440
- Steven Natterstad, M.D.Los Altos, CA 940241710048921
- Susan Sorensen, MDLos Altos, CA 940241366523862
- Charles Tuchinda, M.D.Los Altos, CA 940241063641702
- Susan Garay, MDMenlo Park, CA 940251437114006
- F McDowell, MDMenlo Park, CA 940251154384576
- Eileen Moy, MDMenlo Park, CA 940251083617583
Common questions
What is Patricia Roukee Sitnitsky, M.D.'s NPI number?
Patricia Roukee Sitnitsky, M.D.'s National Provider Identifier (NPI) is 1790896231, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patricia Roukee Sitnitsky, M.D. located?
The NPPES record lists a practice address at 827 Altos Oaks Dr Ste 4, Los Altos, CA, 94024. Phone: (408) 495-5770. Providers update this record themselves, so call before visiting.
How can I verify Patricia Roukee Sitnitsky, M.D.'s license?
NPPES lists California license number A88027, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patricia Roukee Sitnitsky, M.D. prescribe under Medicare Part D?
In 2024, Patricia Roukee Sitnitsky, M.D. had 2,223 Medicare Part D claims for 313 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.