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MS. EMMA CAROLINE DUNCAN APN
NPI 1902268394
Nurse Practitioner - Acute Care in Oxnard, CA

Active since March 24, 2016PECOS EnrolledAccepts Medicare Assignment
ST. JOHN'S REGIONAL MEDICAL CENTER - 1600 N ROSE AVENUE, OXNARD, CA 93030(000) 000-0000(805) 485-3025 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 20, 2025, Jan 19, 2021, Mar 24, 2016 (3 updates tracked since 2016).

About Ms. Emma Caroline Duncan Apn NPPES

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

MS. EMMA CAROLINE DUNCAN APN (NPI 1902268394) is an individual acute care provider in Oxnard, California, licensed in Illinois (209.013732) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1902268394
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMS. EMMA CAROLINE DUNCANCredential: APN
Location AddressST. JOHN'S REGIONAL MEDICAL CENTER - 1600 N ROSE AVENUEOxnard, CA 93030
Mailing Address2043 N Mohawk St, Unit 1sChicago, IL 60614-4565 · (312) 208-4829
Phone(000) 000-0000
Fax(805) 485-3025
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 24, 2016
Last NPPES UpdateMarch 20, 20253 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
✔ NPI 1902268394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in IL · 209.013732
Also ListedNurse PractitionerTaxonomy 363L00000X · License 95011709 (CA)
ST. JOHN'S REGIONAL MEDICAL CENTER - 1600 N ROSE AVENUE, Oxnard, CA 93030
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11910 Outlet Center DrOxnard, CA 93036-0677 · Phone (805) 485-2400 · Fax (805) 485-3025
Location 2St. John's Pleasant Valley Hospital - 2309 Antonio AveCamarillo, CA 93010 · Phone (000) 000-0000 · Fax (805) 485-3025
Location 3251 E Huron, Northwestern Memorial HospitalChicago, IL 60611 · Phone (312) 208-4829

Other Identifiers 1

Other95011709CA · Np License

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

Ms. Emma Caroline Duncan Apn 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 ID7911294988
PECOS Enrollment IDI20190813003118
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 93030 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
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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 3

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

CINTHIA A OROSCO AG-ACNP
Nurse Practitioner (Acute Care)
ST. JOHN'S REGIONAL MEDICAL CENTER - 1600 N ROSE AVENUE
OXNARD, CA 93030
Ventura County (805) 988-2500
ALYSSA SANDQUIST
Nurse Practitioner
ST. JOHN'S REGIONAL MEDICAL CENTER - 1600 N ROSE AVENUE
OXNARD, CA 93030
Ventura County (805) 988-2500
DR. NIUSHA DAMAGHI M.D.
Internal Medicine (Critical Care Medicine)
ST. JOHN'S REGIONAL MEDICAL CENTER - 1600 N ROSE AVENUE
OXNARD, CA 93030
Ventura County (000) 000-0000

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 Emma Duncan's NPI number?

The NPI number for Emma Duncan is 1902268394. It was assigned to this individual provider in the NPPES registry on March 24, 2016.

Where is Emma Duncan located?

Emma Duncan practices at St. John's Regional Medical Center - 1600 N Rose Avenue, Oxnard, CA 93030. The listed phone number is (000) 000-0000.

What is Emma Duncan's specialty?

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

Is Emma Duncan enrolled in Medicare?

Yes. Emma Duncan 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 Emma Duncan was last updated on March 20, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.