REBECCA OLIN MD
NPI 1043373681
Internal Medicine - Hematology & Oncology in San Francisco, CA
About Rebecca Olin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA OLIN MD (NPI 1043373681) is an individual hematology & oncology provider in San Francisco, California, licensed in California (A106693) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2003).
NPPES Registry Identity
Specialties & Licenses
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
Rebecca Olin 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
3Medicare enrollment records show Rebecca Olin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 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 5
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 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Rebecca Olin's NPI number?
The NPI number for Rebecca Olin is 1043373681. It was assigned to this individual provider in the NPPES registry on December 18, 2006.
Where is Rebecca Olin located?
Rebecca Olin practices at 400 Parnassus Ave Box 0324, San Francisco, CA 94143. The listed phone number is (415) 353-2063.
What is Rebecca Olin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Rebecca Olin enrolled in Medicare?
Yes. Rebecca Olin 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 Rebecca Olin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Olin reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Regents Of The University Of California (San Francisco, 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 Rebecca Olin'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 Rebecca Olin was last updated on November 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Rebecca Olin, MD · NPI 1043373681
Hematology & Oncology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since December 18, 2006.
## Identity
- **NPI:** 1043373681 (Entity type: Individual)
- **Enumerated:** December 18, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** A106693 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 PARNASSUS AVE, BOX 0324, San Francisco, CA 94143-2202
- **Phone:** (415) 353-2063
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2003
## Record status
- **NPPES last updated:** November 17, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1043373681) · Data from the CMS NPPES public registry.