DR. CURTIS COLIN SATHER M.D.
NPI 1902902943
Hospitalist in Pasadena, CA
About Dr. Curtis Colin Sather M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CURTIS COLIN SATHER M.D. (NPI 1902902943) is an individual hospitalist provider in Pasadena, California, licensed in California (A94214) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Curtis Colin Sather M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Curtis Sather reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 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 91105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, CA 91105
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 Curtis Sather's NPI number?
The NPI number for Curtis Sather is 1902902943. It was assigned to this individual provider in the NPPES registry on September 16, 2006.
Where is Curtis Sather located?
Curtis Sather practices at 401 S Fair Oaks Ave, Pasadena, CA 91105. The listed phone number is (626) 304-4400.
What is Curtis Sather's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Curtis Sather enrolled in Medicare?
Yes. Curtis Sather is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Curtis Sather's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Curtis Sather reassigns Medicare benefits to 2 organizations: Healthcare Partners Affiliates Medical Group (Los Angeles, CA) and Cedars-Sinai Medical Care Foundation (Los Angeles, 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 Curtis Sather'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 Curtis Sather was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Curtis Colin Sather, M.D. · NPI 1902902943
Hospitalist physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since September 16, 2006.
## Identity
- **NPI:** 1902902943 (Entity type: Individual)
- **Enumerated:** September 16, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A94214 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 S FAIR OAKS AVE, Pasadena, CA 91105-2603
- **Phone:** (626) 304-4400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA); Cedars-Sinai Medical Care Foundation (NPI 1316984388, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1902902943) · Data from the CMS NPPES public registry.