ROSALINE VASQUEZ MD
NPI 1952437659
Internal Medicine in Stanford, CA
About Rosaline Vasquez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSALINE VASQUEZ MD (NPI 1952437659) is an individual internal medicine provider in Stanford, California, licensed in California (G43115) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Gatos, and is a graduate of Stanford University School Of Medicine (1979).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Rosaline Vasquez Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Rosaline Vasquez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Rosaline Vasquez's NPI number?
The NPI number for Rosaline Vasquez is 1952437659. It was assigned to this individual provider in the NPPES registry on February 26, 2007.
Where is Rosaline Vasquez located?
Rosaline Vasquez practices at 300 Pasteur Dr Rm A175, Stanford, CA 94305. The listed phone number is (650) 723-6961.
What is Rosaline Vasquez's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Rosaline Vasquez enrolled in Medicare?
Yes. Rosaline Vasquez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rosaline Vasquez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rosaline Vasquez reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Sutter Bay Medical Foundation (Palo Alto, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rosaline Vasquez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Rosaline Vasquez was last updated on April 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Rosaline Vasquez, MD · NPI 1952437659
Internal Medicine physician in Stanford, California. Individual provider, active in the CMS NPPES registry since February 26, 2007.
## Identity
- **NPI:** 1952437659 (Entity type: Individual)
- **Enumerated:** February 26, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** G43115 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR RM A175, Stanford, CA 94305-2200
- **Phone:** (650) 723-6961
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1979
## Record status
- **NPPES last updated:** April 24, 2024
- **Other identifiers:** Medicaid 00G431150 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1952437659) · Data from the CMS NPPES public registry.