HILARY A OLEON LCSW
NPI 1740895101
Social Worker in Stanford, CA
About Hilary A Oleon Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HILARY A OLEON LCSW (NPI 1740895101) is an individual social worker in Stanford, California, licensed in California (70989) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Hilary A Oleon Lcsw 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 Reassignment
Medicare enrollment records show Hilary Oleon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Hilary Oleon's NPI number?
The NPI number for Hilary Oleon is 1740895101. It was assigned to this individual provider in the NPPES registry on September 12, 2020.
Where is Hilary Oleon located?
Hilary Oleon practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Hilary Oleon's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Hilary Oleon enrolled in Medicare?
Yes. Hilary Oleon 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 organization bills Medicare for Hilary Oleon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Oleon reassigns Medicare benefits to Stanford Health Care (Stanford, CA). The 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 Hilary Oleon'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 Hilary Oleon was last updated on December 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Hilary A Oleon, LCSW · NPI 1740895101
Social Worker provider in Stanford, California. Individual provider, active in the CMS NPPES registry since September 12, 2020.
## Identity
- **NPI:** 1740895101 (Entity type: Individual)
- **Enumerated:** September 12, 2020
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 70989 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Stanford Health Care (NPI 1437292927, Stanford, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** December 20, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1740895101) · Data from the CMS NPPES public registry.