Attitude to HealthGender IdentityHealth Knowledge, Attitudes, Practice
Dr. Ryan Yoshimura Shields, MD
NPI1679812531PAC ID9133413826
- Part D claims, 2024
- 36
- Publications
- 3
- Hospital affiliations
- 1
- Industry payments
- $22
- Medical groups
- 6
- Practice address
- 67 1125 Mamalahoa Highway, Kamuela, HI 96743
- Practice phone
- Call (808) 885-4444
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shields' professional email, personal email and mobile number
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Dr. Ryan Yoshimura Shields is an OB-GYN in Kamuela, Hawaii
Dr. Shields practices at Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii, part of The Queen's Health Systems.
Dr. Shields' NPI, 1679812531, was assigned on February 12, 2013. Dr. Shields graduated from Johns Hopkins University School of Medicine in 2016. Dr. Shields holds Hawaii license MD-22923.
NPI and contact details
- NPI
- 1679812531NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133413826
- NPI enumeration date
- February 12, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 885-4444
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Yoshimura Shields practices at Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii
Dr. Shields' primary practice is Queen's North Hawaiʻi Community Hospital, at 67 1125 Mamalahoa Highway, Kamuela, HI 96743 in Hawaii County. The practice phone is (808) 885-4444.
- Queen's North Hawaiʻi Community Hospital67 1125 Mamalahoa Highway, Kamuela, HI 96743 · Hawaii CountyPhone(808) 885-4444
Source: Dmand AI Affiliation Data
Dr. Ryan Yoshimura Shields is affiliated with 6 sites of care and 6 medical groups
Dr. Shields' primary practice is Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii, part of The Queen's Health Systems. The medical group on file is Queen's North Hawai'i Community Hospital. Dmand AI also links Dr. Shields to 5 more group practices and clinics and 5 medical groups, each named with a free account.
Queen's North Hawai'i Community Hospital5 group practices and clinicsNames with a free account5 medical groupsNames with a free account
See all 12 affiliations for Dr. ShieldsSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Yoshimura Shields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shields practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Queen's North Hawaiʻi Community Hospital | Available with a free account |
| +5 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Shields practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Queen's Health Systems and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ryan Yoshimura Shields is one of 230 OB-GYNs in Hawaii
Obstetrics and gynecology is Dr. Shields' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Shields' licenses on file in 2 states: Hawaii and New Mexico.
Specialties and state licenses
- Obstetrics and gynecology, HawaiiPrimary
- New Mexico license
OB-GYNs near Dr. Shields
Counts of OB-GYNs 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. Ryan Yoshimura Shields' patients have a median age of 35
Across all payers, Dmand AI patient panel data puts Dr. Shields' median patient age at 35, with 99% women.
Dr. Shields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women99%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Ryan Yoshimura Shields wrote 36 Medicare Part D claims in 2024
In 2024, Dr. Shields wrote 36 Medicare Part D claims for 21 patients. 86% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $58 in total drug cost.
Part D claims, 202436
Drugs named by CMS1
Total drug cost$58
Part D patients21
Dr. Shields' Part D claims by kind of drug, 2024
- Generic31 claims86%
- Brand-name and other5 claims14%
Dr. Shields' most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ryan Yoshimura Shields takes part in Medicare
Dr. Shields 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. Ryan Yoshimura Shields has 3 publications on record
Dmand AI links 3 papers to Dr. Shields, published from 2017 to 2018. The most frequent topics are Gender Identity. Dr. Shields' most frequent co-authors are Susan Marie Peterson and Anju Ranjit, MD, MPH.
Papers3
Years published2017 to 2018
Topics Dr. Shields writes about most
- Gender Identity
Dr. Shields' most frequent co-authors
Recent publications by Dr. Shields
BaltimoreDistrict of ColumbiaEmergency Service, Hospital
See who Dr. Shields researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shields works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan Yoshimura Shields received $22 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Shields from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $22.
Companies that paid Dr. Shields the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan Yoshimura Shields graduated from Johns Hopkins University School of Medicine
Dr. Shields graduated from Johns Hopkins University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan Yoshimura Shields'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 and Drug (CMS) (opens in a new tab)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. Ryan Yoshimura Shields
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. Ryan Yoshimura Shields' NPI number?
Dr. Ryan Yoshimura Shields' NPI number is 1679812531. It was assigned on February 12, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Yoshimura Shields?
Dr. Ryan Yoshimura Shields is an OB-GYN in Kamuela, Hawaii. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Ryan Yoshimura Shields practice?
Dr. Shields practices at 67 1125 Mamalahoa Highway, Kamuela, HI 96743. Dr. Shields' primary practice is Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii, part of The Queen's Health Systems. Dmand AI also links Dr. Shields to 5 group practices and clinics and 5 medical groups.
What is Dr. Ryan Yoshimura Shields' office phone number?
The practice phone on file for Dr. Shields is (808) 885-4444.
What is Dr. Ryan Yoshimura Shields' medical license number?
Dr. Shields holds Hawaii license MD-22923, one of the licenses on file in 2 states.
Which states has Dr. Ryan Yoshimura Shields been licensed in?
Dmand AI has state licenses on file for Dr. Shields in Hawaii and New Mexico.
Which hospitals is Dr. Ryan Yoshimura Shields affiliated with?
Dr. Shields practices at Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii.
What medical group is Dr. Ryan Yoshimura Shields part of?
Dr. Shields is linked to Queen's North Hawai'i Community Hospital. Dmand AI links Dr. Shields to 5 more medical groups.
Does Dr. Ryan Yoshimura Shields accept Medicare?
Yes. CMS lists Dr. Shields as accepting Medicare assignment.
Where did Dr. Ryan Yoshimura Shields go to medical school?
Dr. Shields graduated from Johns Hopkins University School of Medicine in 2016.
Show 5 more questionsShow fewer questions
What drugs does Dr. Ryan Yoshimura Shields prescribe most?
In 2018 Medicare Part D data, Dr. Shields' most prescribed drugs by claims were Ibuprofen.
Has Dr. Ryan Yoshimura Shields received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Shields from 1 company from 2025 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Ryan Yoshimura Shields been practicing?
Dr. Shields graduated from medical school in 2016, 10 years ago.
Does Dr. Ryan Yoshimura Shields do research?
Dmand AI links 3 publications to Dr. Shields, published from 2017 to 2018.
Who does Dr. Ryan Yoshimura Shields publish with?
Dr. Shields' most frequent co-authors are Susan Marie Peterson (3 shared papers) and Anju Ranjit, MD, MPH (2 shared papers).
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