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DR. JENNIFER JUNNILA WALKER MD, MPH
NPI 1023097128
Family Medicine in Honolulu, HI

Active since January 17, 2006PECOS EnrolledAccepts Medicare Assignment
1 JARRETT WHITE ROAD, TRIPLER AMC, STRIPER ARMY MEDICAL CENTER, HONOLULU, HI 96859(808) 433-8500(808) 433-8505 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Jennifer Junnila Walker Md, Mph NPPES

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

DR. JENNIFER JUNNILA WALKER MD, MPH (NPI 1023097128) is an individual family medicine provider in Honolulu, Hawaii, licensed in Wisconsin (38531) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Kau Hospital, and is a graduate of Medical College Of Wisconsin (1993).

NPPES Registry Identity

NPI1023097128
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JENNIFER JUNNILA WALKERCredential: MD, MPH
Location Address1 JARRETT WHITE ROAD, TRIPLER AMC, STRIPER ARMY MEDICAL CENTERHonolulu, HI 96859-5000
Mailing Address2865 Kanaku StWahiawa, HI 96786-7037 · (813) 498-9580
Phone(808) 433-8500
Fax(808) 433-8505
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1993
Enumeration DateJanuary 17, 2006
Last NPPES UpdateSeptember 11, 2025
NPPES CertifiedSeptember 11, 2025
✔ NPI 1023097128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in WI · 38531✔ Licensed in HI · MD-18483
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.
1 JARRETT WHITE ROAD, TRIPLER AMC, Honolulu, HI 96859
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

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. Jennifer Junnila Walker Md, Mph 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 ID6204114994
PECOS Enrollment IDI20161101000489
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

2

Medicare enrollment records show Jennifer Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hilo Benioff Medical Center
212 mi
General Acute Care Hospital
1190 WAIANUENUE AVE
Hilo, HI 96720
  • Reassigned Medicare billing, Hawaii enrollment
  • 263 clinicians in this Medicare group
NPI 1780757856 (808) 932-3000
Kau Hospital
216 mi
Critical Access
1 KAMANI STREET
Pahala, HI 96777
  • Reassigned Medicare billing, Hawaii enrollment
  • 208 clinicians in this Medicare group
NPI 1982276127 (808) 932-4200

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Kau Hospital

Critical Access Hospitals · Pahala, HI
OwnershipGovernment - State
CMS Certification Number121301
Location1 Kamani StreetPahala, HI 96777 · Hawaii County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96859 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.

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 Jennifer Walker's NPI number?

The NPI number for Jennifer Walker is 1023097128. It was assigned to this individual provider in the NPPES registry on January 17, 2006.

Where is Jennifer Walker located?

Jennifer Walker practices at 1 Jarrett White Road, Tripler Amc Striper Army Medical Center, Honolulu, HI 96859. The listed phone number is (808) 433-8500.

What is Jennifer Walker's specialty?

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

Is Jennifer Walker enrolled in Medicare?

Yes. Jennifer Walker 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 Jennifer Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Walker reassigns Medicare benefits to 2 organizations: Hilo Benioff Medical Center (Hilo, HI) and Kau Hospital (Pahala, HI). 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 Jennifer Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Walker accept?

Health plans from HMSA list Jennifer Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jennifer Walker affiliated with any hospitals?

According to CMS data, Jennifer Walker is affiliated with Kau Hospital.

When was this NPI record last updated?

The NPPES record for Jennifer Walker was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.