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Dr. Chase H. Warashina, MD
NPI1013586775PAC ID3375039696
- Part D claims, 2024
- 22
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $13
- Medical group
- 1
- Practice address
- 1301 Punchbowl St, Honolulu, HI 96813
- Practice phone
- Call (808) 538-9011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Warashina's professional email, personal email and mobile number
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Dr. Chase H. Warashina is an internist in Honolulu, Hawaii
Dr. Warashina practices at The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
Dr. Warashina's NPI, 1013586775, was assigned on June 17, 2021. Dr. Warashina graduated from University of Hawaii John A. Burns School of Medicine in 2021. Dr. Warashina holds Hawaii license MDR-8109.
NPI and contact details
- NPI
- 1013586775NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375039696
- NPI enumeration date
- June 17, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 538-9011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chase H. Warashina practices at The Queen's Medical Center in Honolulu, Hawaii
Dr. Warashina's primary practice is The Queen's Medical Center, at 1301 Punchbowl St, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 538-9011.
- The Queen's Medical Center1301 Punchbowl St, Honolulu, HI 96813 · Honolulu CountyPhone(808) 538-9011
Source: Dmand AI Affiliation Data
Dr. Chase H. Warashina is affiliated with 2 sites of care and 1 medical group
Dr. Warashina's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. The medical group on file is The Queen's Medical Center. Dmand AI also links Dr. Warashina to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chase H. Warashina's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warashina practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Queen's Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chase H. Warashina is one of 771 internists in Hawaii
Internal medicine is Dr. Warashina's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Warashina is licensed in Hawaii.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
Internists near Dr. Warashina
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Chase H. Warashina's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Warashina's median patient age at 72, with 53% women.
Dr. Warashina's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Chase H. Warashina wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Warashina wrote 22 Medicare Part D claims for 15 patients. 86% of them were for generic drugs.
Part D claims, 202422
Part D patients15
Dr. Warashina's Part D claims by kind of drug, 2024
- Generic19 claims86%
- Brand-name and other3 claims14%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Chase H. Warashina takes part in Medicare
Dr. Warashina accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Chase H. Warashina has 1 publication on record
Dmand AI links 1 paper to Dr. Warashina in 2023. Dr. Warashina's most frequent co-author is Landon Kozai, MD.
Papers1
Dr. Warashina's most frequent co-authors
Recent publications by Dr. Warashina
See who Dr. Warashina researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Warashina works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chase H. Warashina received $13 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Warashina from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $13.
Companies that paid Dr. Warashina the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chase H. Warashina graduated from University of Hawaii John A. Burns School of Medicine
Dr. Warashina graduated from University of Hawaii John A. Burns School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chase H. Warashina's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Chase H. Warashina
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Chase H. Warashina's NPI number?
Dr. Chase H. Warashina's NPI number is 1013586775. It was assigned on June 17, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Chase H. Warashina?
Dr. Chase H. Warashina is an internist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chase H. Warashina practice?
Dr. Warashina practices at 1301 Punchbowl St, Honolulu, HI 96813. Dr. Warashina's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. Dmand AI also links Dr. Warashina to 1 group practice or clinic.
What is Dr. Chase H. Warashina's office phone number?
The practice phone on file for Dr. Warashina is (808) 538-9011.
What is Dr. Chase H. Warashina's medical license number?
Dr. Warashina holds Hawaii license MDR-8109.
Which hospitals is Dr. Chase H. Warashina affiliated with?
Dr. Warashina practices at The Queen's Medical Center in Honolulu, Hawaii.
What medical group is Dr. Chase H. Warashina part of?
Dr. Warashina is linked to The Queen's Medical Center.
Does Dr. Chase H. Warashina accept Medicare?
Yes. CMS lists Dr. Warashina as accepting Medicare assignment.
Where did Dr. Chase H. Warashina go to medical school?
Dr. Warashina graduated from University of Hawaii John A. Burns School of Medicine in 2021.
Has Dr. Chase H. Warashina received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Warashina from 1 company from 2021 to 2021. The largest total came from Abbvie Inc.
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How long has Dr. Chase H. Warashina been practicing?
Dr. Warashina graduated from medical school in 2021, 5 years ago.
Does Dr. Chase H. Warashina do research?
Dmand AI links 1 publication to Dr. Warashina.
Who does Dr. Chase H. Warashina publish with?
Dr. Warashina's most frequent co-authors are Landon Kozai, MD (1 shared paper).
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