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MRS. REGINE B STILLWELL AGNP-C
NPI 1609724236
Nurse Practitioner - Adult Health in Los Angeles, CA

Active since March 19, 2026PECOS Enrolled
14204 SUNBURST STREET, LOS ANGELES, CA 91402(504) 220-6617 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Regine B Stillwell Agnp-c NPPES

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

MRS. REGINE B STILLWELL AGNP-C (NPI 1609724236) is an individual adult health provider in Los Angeles, California, licensed in California (AG01260061) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609724236
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. REGINE B STILLWELLCredential: AGNP-C
Location Address14204 SUNBURST STREETLos Angeles, CA 91402
Mailing Address13651 Willard StPanorama, CA 91402 · (504) 220-6617
Phone(504) 220-6617
Sole ProprietorYes
Enumeration DateMarch 19, 2026
NPPES CertifiedMarch 13, 2026
✔ NPI 1609724236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in CA · AG01260061
14204 SUNBURST STREET, Los Angeles, CA 91402
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Regine B Stillwell Agnp-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91402 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.

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 Regine Stillwell's NPI number?

The NPI number for Regine Stillwell is 1609724236. It was assigned to this individual provider in the NPPES registry on March 19, 2026.

Where is Regine Stillwell located?

Regine Stillwell practices at 14204 Sunburst Street, Los Angeles, CA 91402. The listed phone number is (504) 220-6617.

What is Regine Stillwell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Regine Stillwell enrolled in Medicare?

Yes. Regine Stillwell is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Regine Stillwell was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.