SARAH STEPHENS NP
NPI 1003398538
Nurse Practitioner - Acute Care in Pasadena, CA

Active since August 31, 2018PECOS EnrolledAccepts Medicare Assignment
100 W CALIFORNIA BLVD, PASADENA, CA 91105(626) 397-8300(626) 697-8337 Get Directions Write a Review

NPPES record last updated: May 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 28, 2025, Aug 31, 2018 (2 updates tracked since 2018).

About Sarah Stephens Np NPPES

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

SARAH STEPHENS NP (NPI 1003398538) is an individual acute care provider in Pasadena, California, licensed in California (95009236) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1003398538
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameSARAH STEPHENSCredential: NP
Location Address100 W CALIFORNIA BLVDPasadena, CA 91105-3010
Mailing Address4140 W 190th StTorrance, CA 90504-5513 · (626) 397-8300 · Fax (626) 697-8337
Fax(626) 697-8337
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 31, 2018
Last NPPES UpdateMay 28, 20252 updates tracked since enumeration
NPPES CertifiedMay 28, 2025
✔ NPI 1003398538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CA · 95009236
100 W CALIFORNIA BLVD, Pasadena, CA 91105

Secondary Practice Location 1

Location 11100 W Stewart DrOrange, CA 92868-3849 · Phone (714) 771-8000

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

Sarah Stephens Np 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.

PECOS PAC ID3173989209
PECOS Enrollment IDI20240822002720
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

3

Medicare enrollment records show Sarah Stephens reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
100 W CALIFORNIA BLVD
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 204 clinicians in this Medicare group
Internal Medicine
177 E COLORADO BLVD STE 200
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
Specialist
6500 WILSHIRE BLVD FL 15
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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
50 services46 patients

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.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 (Registered Nurse First Assistant)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Radiology (Diagnostic Radiology)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Pain Medicine (Pain Medicine)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Rehabilitation Unit
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Hospitalist
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Emergency Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Internal Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Radiology (Diagnostic Radiology)
100 W CALIFORNIA BLVD
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 Sarah Stephens's NPI number?

The NPI number for Sarah Stephens is 1003398538. It was assigned to this individual provider in the NPPES registry on August 31, 2018.

Where is Sarah Stephens located?

Sarah Stephens practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 397-8300.

What is Sarah Stephens's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Sarah Stephens enrolled in Medicare?

Yes. Sarah Stephens 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 Sarah Stephens's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Stephens reassigns Medicare benefits to 3 organizations: The Huntington Medical Foundation (Pasadena, CA), Joshua A. Ronen, MD, Inc (Pasadena, 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 Sarah Stephens'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 Sarah Stephens was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.