Jennifer Junnila Walker, MD, MPH
Family Medicine Physician · Honolulu, HI
Jennifer Junnila Walker, MD, MPH is a family medicine physician with a practice address in Honolulu, Hawaii, and NPI 1023097128, issued on Jan 17, 2006. Check the license (Hawaii MD-18483, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer Junnila Walker
- Credential
- MD, MPH
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD-18483 HI
38531 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1 Jarrett White Road, Tripler Amc, Honolulu, HI 96859
- Phone
- (808) 433-8500
- Enumerated
- Jan 17, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (808) 433-8505
- Medicare enrollment
- Enrolled (PECOS I20161101000489); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1993
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Verify Jennifer Junnila Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-18483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
477 Medicare Part D claims for 44 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium35 claims
- Lisinopril33 claims
- Losartan Potassium27 claims
- Alendronate Sodium25 claims
- Albuterol Sulfate Hfa23 claims
- Eliquis17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14.92
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Kau HospitalPahala, HI · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Jennifer Junnila Walker among 730 family medicine physician records in Hawaii
Jennifer Junnila Walker, MD, MPH is one of 730 family medicine physician records with a practice address in Hawaii. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1993 · median 2006 among the 383 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
160 family medicine physician records list a practice address in Honolulu
They are 160 of the 12,408 NPPES records with a practice address in Honolulu, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Honolulu → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Edward Bailey, MDTripler Army Medical Center, HI 968591821088634
- Phyllis Barr, DOTripler Army Medical Center, HI 968591962491324
- Jerry Barton, D.O.Tripler Army Medical Center, HI 968591124004502
- John Benson, M.D.Honolulu, HI 968591033198783
- Nathan Deweese, M.D.Tripler Amc, HI 968591295726420
- Keith Haden, M.D.Tripler Amc, HI 968591124092507
- Neal Harding, DOTripler Amc, HI 968591992796627
- Kazu Hernandez, MDTripler Amc, HI 968591326028416
Common questions
What is Jennifer Junnila Walker, MD, MPH's NPI number?
Jennifer Junnila Walker, MD, MPH's National Provider Identifier (NPI) is 1023097128, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Junnila Walker, MD, MPH located?
The NPPES record lists a practice address at 1 Jarrett White Road, Tripler Amc, Honolulu, HI, 96859. Phone: (808) 433-8500. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Junnila Walker, MD, MPH's license?
NPPES lists Hawaii license number MD-18483, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jennifer Junnila Walker, MD, MPH prescribe under Medicare Part D?
In 2024, Jennifer Junnila Walker, MD, MPH had 477 Medicare Part D claims for 44 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.