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Dr. Emma Christine Ryan, DO
NPI1679920284
- Part D claims, 2024
- 43
- Publications
- 2
- Industry payments
- $837
- State licenses
- 2
- Year NPI issued
- 2016
- Practice address
- 17 Coastal Oak, Newport Coast, CA 92657
- Practice phone
- Call (909) 987-0899
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ryan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Emma Christine Ryan is a general surgeon in Newport Coast, California
Dr. Ryan practices in Newport Coast, California.
Dr. Ryan's NPI, 1679920284, was assigned on May 24, 2016. Dr. Ryan graduated from Pacific Northwest University of Health Sciences College of Osteopathic Medicine in 2016. Dr. Ryan holds California license 18987.
NPI and contact details
- NPI
- 1679920284NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2016
- NPI status
- Active
- Practice phone
- (909) 987-0899
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Emma Christine Ryan's practice address is in Newport Coast, California
Dr. Ryan's practice address in the NPI Registry is 17 Coastal Oak, Newport Coast, CA 92657, in Orange County. The practice phone is (909) 987-0899.
- NPI Registry address17 Coastal Oak, Newport Coast, CA 92657 · Orange CountyPhone(909) 987-0899
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Emma Christine Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Ryan's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Emma Christine Ryan is one of 2,926 general surgeons in California
Surgery is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ryan is board certified in 2016 - 2026 by the AZ State License. Dmand AI has Dr. Ryan's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Student in an organized health care education/training program, Arizona
General surgeons near Dr. Ryan
Counts of general surgeons 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. Emma Christine Ryan's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Ryan's median patient age at 38, with 76% women.
Dr. Ryan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women76%
- Men24%
Source: Dmand AI Patient Panel Data
Dr. Emma Christine Ryan wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Ryan wrote 43 Medicare Part D claims for 15 patients. 100% of them were for generic drugs. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $288 in total drug cost. In 2018, CMS named 23 claims across 2 drugs.
Part D claims, 202443
Drugs named by CMS2
Total drug cost$288
Part D patients15
Dr. Ryan's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ryan's Part D claims, 2024
- Opioids28%12 of 43 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2018 to 2020
- 2018
- 2020
- Claims for drugs CMS names
- 2018: 232020: 2717%
Drugs named by CMS: 2 in 2020, 2 in 2018.
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
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Dr. Emma Christine Ryan has 2 publications on record
Dmand AI links 2 papers to Dr. Ryan, published from 2019 to 2023. Dr. Ryan's most frequent co-author is Gabriel Hernando Patino, MD.
Papers2
Years published2019 to 2023
Dr. Ryan's most frequent co-authors
Recent publications by Dr. Ryan
J Cardiothorac Surg
CachexiaDiagnosis, DifferentialDyspnea
See who Dr. Ryan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ryan works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Emma Christine Ryan received $837 in industry payments from 2021 to 2025
CMS Open Payments shows 11 general payments to Dr. Ryan from 5 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. W. L. Gore & Associates, Inc. paid the most, $507.
General payments to Dr. Ryan by program year, 2021 to 2025
Companies that paid Dr. Ryan the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Emma Christine Ryan graduated from Pacific Northwest University of Health Sciences College of Osteopathic Medicine
Dr. Ryan graduated from Pacific Northwest University of Health Sciences College of Osteopathic Medicine in 2016.
- Medical school
- Board certified in 2016 - 2026
- Board certified in 2021 - 2026
Source: Dmand AI Professional Profile Data
Sources for Dr. Emma Christine Ryan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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) |
| 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. Emma Christine Ryan
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. Emma Christine Ryan's NPI number?
Dr. Emma Christine Ryan's NPI number is 1679920284. It was assigned on May 24, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Emma Christine Ryan?
Dr. Emma Christine Ryan is a general surgeon in Newport Coast, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Emma Christine Ryan practice?
Dr. Ryan practices at 17 Coastal Oak, Newport Coast, CA 92657.
What is Dr. Emma Christine Ryan's office phone number?
The practice phone on file for Dr. Ryan is (909) 987-0899.
What is Dr. Emma Christine Ryan's medical license number?
Dr. Ryan holds California license 18987, one of the licenses on file in 2 states.
Which states has Dr. Emma Christine Ryan been licensed in?
Dmand AI has state licenses on file for Dr. Ryan in California and Arizona.
Is Dr. Emma Christine Ryan board certified?
Yes. Dr. Ryan is board certified in 2016 - 2026 by the AZ State License.
Where did Dr. Emma Christine Ryan go to medical school?
Dr. Ryan graduated from Pacific Northwest University of Health Sciences College of Osteopathic Medicine in 2016.
What drugs does Dr. Emma Christine Ryan prescribe most?
In 2020 Medicare Part D data, Dr. Ryan's most prescribed drugs by claims were Ondansetron HCl and Oxycodone-Acetaminophen.
Has Dr. Emma Christine Ryan received payments from drug or device companies?
CMS Open Payments shows $837 in general payments to Dr. Ryan from 5 companies from 2021 to 2025. The largest total came from W. L. Gore & Associates, Inc.
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How long has Dr. Emma Christine Ryan been practicing?
Dr. Ryan graduated from medical school in 2016, 10 years ago.
Does Dr. Emma Christine Ryan do research?
Dmand AI links 2 publications to Dr. Ryan, published from 2019 to 2023.
Who does Dr. Emma Christine Ryan publish with?
Dr. Ryan's most frequent co-authors are Gabriel Hernando Patino, MD (1 shared paper).
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