CATHERINE A LIOU DO
NPI 1255969762
Hospitalist in Sacramento, CA
About Catherine A Liou Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE A LIOU DO (NPI 1255969762) is an individual hospitalist provider in Sacramento, California, licensed in California (20A21569) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Group Practice 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
Catherine A Liou Do 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 Catherine Liou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sacramento, CA 95833
- Reassigned Medicare billing, California enrollment
- 3,056 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 4
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 95816 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SACRAMENTO, CA 95816
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 Catherine Liou's NPI number?
The NPI number for Catherine Liou is 1255969762. It was assigned to this individual provider in the NPPES registry on March 30, 2020.
Where is Catherine Liou located?
Catherine Liou practices at 1020 29th St Ste 480, Sacramento, CA 95816. The listed phone number is (916) 733-3777.
What is Catherine Liou's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Catherine Liou enrolled in Medicare?
Yes. Catherine Liou 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 Catherine Liou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Liou reassigns Medicare benefits to Sutter Valley Medical Foundation (Sacramento, 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 Catherine Liou'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 Catherine Liou was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Catherine A Liou, DO · NPI 1255969762
Hospitalist physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since March 30, 2020.
## Identity
- **NPI:** 1255969762 (Entity type: Individual)
- **Enumerated:** March 30, 2020
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 20A21569 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1020 29TH ST STE 480, Sacramento, CA 95816-5173
- **Phone:** (916) 733-3777
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Sutter Valley Medical Foundation (NPI 1952327256, Sacramento, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** April 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1255969762) · Data from the CMS NPPES public registry.