SYDNEY ALYSSA COHEN
NPI 1437986171
Physician Assistant in Mission Viejo, CA

Active since September 17, 2024PECOS EnrolledAccepts Medicare Assignment
26401 CROWN VALLEY PKWY STE 101, MISSION VIEJO, CA 92691(949) 348-4000 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 4, 2025, Sep 17, 2024 (2 updates tracked since 2024).

About Sydney Alyssa Cohen NPPES

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

SYDNEY ALYSSA COHEN (NPI 1437986171) is an individual physician assistant in Mission Viejo, California and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1437986171
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSYDNEY ALYSSA COHEN
Location Address26401 CROWN VALLEY PKWY STE 101Mission Viejo, CA 92691-6302
Mailing Address22906 WalnutMission Viejo, CA 92692-4746 · (949) 395-5486
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateSeptember 17, 2024
Last NPPES UpdateSeptember 4, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2025
NPI 1437986171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
26401 CROWN VALLEY PKWY STE 101, Mission Viejo, CA 92691

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Sydney Alyssa Cohen 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 ID1850895533
PECOS Enrollment IDI20250916003658
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 92691
Orthopaedic Surgery
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 92691
Physician Assistant
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 92691
Orthopaedic Surgery (Hand Surgery)
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 92691
Orthopaedic Surgery
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 92691
Physical Medicine & Rehabilitation (Sports Medicine)
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 92691
Orthopaedic Surgery
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 92691
Physician Assistant
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 92691

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 Sydney Cohen's NPI number?

The NPI number for Sydney Cohen is 1437986171. It was assigned to this individual provider in the NPPES registry on September 17, 2024.

Where is Sydney Cohen located?

Sydney Cohen practices at 26401 Crown Valley Pkwy Ste 101, Mission Viejo, CA 92691. The listed phone number is (949) 348-4000.

What is Sydney Cohen's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Sydney Cohen enrolled in Medicare?

Yes. Sydney Cohen 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.

When was this NPI record last updated?

The NPPES record for Sydney Cohen was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.