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ANNETTE MARIE ISOZAKI MSN, BMTCN, FNP-BC
NPI 1629867924
Nurse Practitioner - Family in Duarte, CA

Active since May 02, 2025PECOS EnrolledAccepts Medicare Assignment
1500 DUARTE RD, DUARTE, CA 91010(626) 256-4673 Get Directions Write a Review

NPPES record last updated: June 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 18, 2025, May 7, 2025 (2 updates tracked since 2025).

About Annette Marie Isozaki Msn, Bmtcn, Fnp-bc NPPES

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

ANNETTE MARIE ISOZAKI MSN, BMTCN, FNP-BC (NPI 1629867924) is an individual family provider in Duarte, California, licensed in California (95028582) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1629867924
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameANNETTE MARIE ISOZAKICredential: MSN, BMTCN, FNP-BC
Location Address1500 DUARTE RDDuarte, CA 91010-3012
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185
Phone(626) 256-4673
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateMay 2, 2025
Last NPPES UpdateJune 18, 20252 updates tracked since enumeration
NPPES CertifiedJune 18, 2025
✔ NPI 1629867924 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95028582
1500 DUARTE RD, Duarte, CA 91010
Open in Google Maps ↗

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

Annette Marie Isozaki Msn, Bmtcn, Fnp-bc 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 ID8921513227
PECOS Enrollment IDI20250715004113
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 Reassignment

Medicare enrollment records show Annette Isozaki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Of Hope Medical Foundation
Same address
Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
NPI 1871886366 (626) 256-4673

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91010 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.

SASAN FAZELI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
SKAI MINDY FU PHARMD
Pharmacist
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 500-5461
JIMMIE WONG MD
Radiology (Diagnostic Radiology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 359-8111
TERENCE WILLIAMS M.D.
Radiology (Radiation Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
DR. MUSTAFA RAOOF M.D.
Surgery (Surgical Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
DR. EDNA CLOGG SHENVI M.D.
Surgery
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
ALAN CHEN TANG M.D.
Anesthesiology
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 359-8111
WINSTON YUHSIEN LEE MD, PHD
Pathology (Hematology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673

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 Annette Isozaki's NPI number?

The NPI number for Annette Isozaki is 1629867924. It was assigned to this individual provider in the NPPES registry on May 2, 2025.

Where is Annette Isozaki located?

Annette Isozaki practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 256-4673.

What is Annette Isozaki's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Annette Isozaki enrolled in Medicare?

Yes. Annette Isozaki 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 organization bills Medicare for Annette Isozaki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Annette Isozaki reassigns Medicare benefits to City Of Hope Medical Foundation (Duarte, CA). The 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 Annette Isozaki'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 Annette Isozaki was last updated on June 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.