1. Home
  2. Directory
  3. NPI Profile

DR. JAMES KENJI NOZAKI M.D.
NPI 1437228541
Family Medicine in Tamuning, GU

Active since November 06, 2006PECOS EnrolledAccepts Medicare Assignment
388 YPAO RD, TAMUNING, GU 96913(671) 646-8881(671) 648-2557 Get Directions Write a Review

NPPES record last updated: July 26, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. James Kenji Nozaki M.d. NPPES

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

DR. JAMES KENJI NOZAKI M.D. (NPI 1437228541) is an individual family medicine provider in Tamuning, Guam, licensed in Guam (M001272) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1995).

NPPES Registry Identity

NPI1437228541
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JAMES KENJI NOZAKICredential: M.D.
Location Address388 YPAO RDTamuning, GU 96913-3701
Mailing Address388 Ypao RdTamuning, GU 96913-3701 · (671) 646-8881 · Fax (671) 648-2557
Phone(671) 646-8881
Fax(671) 648-2557
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 1995
Enumeration DateNovember 6, 2006
Last NPPES UpdateJuly 26, 2023
NPPES CertifiedJuly 26, 2023
✔ NPI 1437228541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in GU · M001272✔ Licensed in GU · M-1272
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Other Identifiers 1

OtherA61493CA · The Medical Board Of Ca

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

Dr. James Kenji Nozaki M.d. 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 ID345236196
PECOS Enrollment IDI20040426000470, I20181011001547
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

4

Medicare enrollment records show James Nozaki reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adventist Health Physicians Network
Internal Medicine
6 WOODLAND RD, SUITE 102
Saint Helena, CA 94574
  • Reassigned Medicare billing, California enrollment
  • 678 clinicians in this Medicare group
NPI 1003113192 (707) 963-8842
General Conference Corp Of Sda
Clinic/Center
388 YPAO RD
Tamuning, GU 96913
  • Reassigned Medicare billing, Guam enrollment
  • 105 clinicians in this Medicare group
NPI 1275586877 (671) 646-8881
Guam Seventh-Day Adventist Clinic Inc.
General Practice
388 YPAO RD
Tamuning, GU 96913
  • Reassigned Medicare billing, Guam enrollment
  • 33 clinicians in this Medicare group
NPI 1003762089 (671) 646-8881
Lodi Memorial Hospital Association Inc
Urgent Care
1235 W VINE ST STE 20
Lodi, CA 95240
  • Reassigned Medicare billing, California enrollment
  • 221 clinicians in this Medicare group
NPI 1194735886 (209) 339-7625

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 11

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
704 services316 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
264 services56 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
221 services52 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
177 services114 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
139 services92 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
77 services62 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96913 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
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
12 suppliers41 claims110 services$6.37 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
12 suppliers18 claims32 services$1.05 avg. paid by Medicare
Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150
Other-Enteral and Parenteral · category OB006N
2 suppliers11 claims6,630 services$0.30 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$42.28 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers14 claims14 services$54.30 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier13 claims13 services$17.00 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

GUAM SEVENTH-DAY ADVENTIST CLINIC INC.
General Practice
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
DIANE M HIATT FNP
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
RACHEL IVY GRACE MAGISTRE-LEGEND PA-C
Physician Assistant
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
PACIFIC RADIOLOGY INC A PROFESSIONAL CORPORATION
Radiology (Diagnostic Radiology)
388 YPAO RD, SDA RADIOLOGY DEPARTMENT
TAMUNING, GU 96913
Guam (671) 646-8881
DR. JONATHAN VISSCHER D.D.S.
Dentist (General Practice)
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
ALISON CHONG FNP
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
NILMINI PANG MD
Family Medicine
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
ALLISON THORP FNP
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881

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 James Nozaki's NPI number?

The NPI number for James Nozaki is 1437228541. It was assigned to this individual provider in the NPPES registry on November 6, 2006.

Where is James Nozaki located?

James Nozaki practices at 388 Ypao Rd, Tamuning, GU 96913. The listed phone number is (671) 646-8881.

What is James Nozaki's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is James Nozaki enrolled in Medicare?

Yes. James Nozaki 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 James Nozaki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Nozaki reassigns Medicare benefits to 4 organizations: Adventist Health Physicians Network (Saint Helena, CA), General Conference Corp Of Sda (Tamuning, GU), Guam Seventh-Day Adventist Clinic Inc. (Tamuning, GU) and Lodi Memorial Hospital Association Inc (Lodi, 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 James Nozaki'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 James Nozaki was last updated on July 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.