COURTNEY CAVANAUGH SAGAR MD
NPI 1457745705
Physical Medicine & Rehabilitation - Pediatric Rehabilitation Medicine in Oakland, CA

Active since March 25, 2015PECOS Enrolled
747 52ND ST, OAKLAND, CA 94609(510) 428-3885 Get Directions Write a Review

NPPES record last updated: October 18, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 18, 2023, Oct 6, 2023, Jul 2, 2019 and 1 more (4 updates tracked since 2017).

About Courtney Cavanaugh Sagar Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COURTNEY CAVANAUGH SAGAR MD (NPI 1457745705) is an individual pediatric rehabilitation medicine provider in Oakland, California, licensed in California (A172896) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1457745705
Entity TypeIndividualFemale
Primary Taxonomy2081P0010X
Provider Legal NameCOURTNEY CAVANAUGH SAGARCredential: MD
Location Address747 52ND STOakland, CA 94609-1809
Mailing Address747 52nd StOakland, CA 94609-1809 · (510) 428-3885
Sole ProprietorYes
Enumeration DateMarch 25, 2015
Last NPPES UpdateOctober 18, 20234 updates tracked since enumeration
NPPES CertifiedOctober 18, 2023
✔ NPI 1457745705 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Pediatric Rehabilitation MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081P0010X
License✔ Licensed in CA · A172896
Definition
A physiatrist who utilizes an interdisciplinary approach and addresses the prevention, diagnosis, treatment and management of congenital and childhood-onset physical impairments including related or secondary medical, physical, functional, psychosocial and vocational limitations or conditions, with an understanding of the life course of disability. This physician is trained in the identification of functional capabilities and selection of the best of rehabilitation intervention strategies, with an understanding of the continuum of care.
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License A172896 (CA)
747 52ND ST, Oakland, CA 94609

Other Names 1

Former Name (1)Courtney Drew Cavanaugh Md

Secondary Practice Location 1

Location 1400 Parnassus AveSan Francisco, CA 94143-2202 · Phone (415) 476-3899

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Courtney Cavanaugh Sagar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Courtney Sagar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 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.

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.

Registered Nurse (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Pediatrics (Pediatric Hematology-Oncology)
747 52ND ST
OAKLAND, CA 94609
Pediatrics
747 52ND ST
OAKLAND, CA 94609
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Student in an Organized Health Care Education/Training Program
747 52ND ST
OAKLAND, CA 94609
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
General Acute Care Hospital
747 52ND ST
OAKLAND, CA 94609

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 Courtney Sagar's NPI number?

The NPI number for Courtney Sagar is 1457745705. It was assigned to this individual provider in the NPPES registry on March 25, 2015. The provider is also known as Courtney Drew Cavanaugh MD.

Where is Courtney Sagar located?

Courtney Sagar practices at 747 52nd St, Oakland, CA 94609. The listed phone number is (510) 428-3885.

What is Courtney Sagar's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pediatric Rehabilitation Medicine, with taxonomy code 2081P0010X.

Is Courtney Sagar enrolled in Medicare?

Yes. Courtney Sagar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Courtney Sagar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Sagar reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Courtney Sagar'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 Courtney Sagar was last updated on October 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.