Birth RateDisease Models, AnimalEmbryo Implantation
Dr. Greene Donald Royster IV, MD
NPI1518189885
- Publications
- 6
- Industry payments
- $360
- Affiliated sites
- 2
- Medical group
- 1
- Insurance carriers
- 16
- Practice address
- 361 Hospital Road, Suite 124, Newport Beach, CA 92663
- Practice phone
- Call (949) 631-0988
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Newport Beach Surgery Center
Surgery Center - Medicare-Certified · Newport Beach, California
Find Dr. Royster's professional email, personal email and mobile number
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Dr. Greene Donald Royster IV is a reproductive endocrinology physician in Newport Beach, California
Dr. Royster practices at Newport Beach Surgery Center in Newport Beach, California.
Dr. Royster's NPI, 1518189885, was assigned on May 3, 2007. Dr. Royster graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2006. Dr. Royster's California license number on file is C166960.
NPI and contact details
- NPI
- 1518189885NPI Registry (opens in a new tab)
- NPI enumeration date
- May 3, 2007
- NPI status
- Active
- Practice phone
- (949) 631-0988
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Greene Donald Royster IV practices at Newport Beach Surgery Center in Newport Beach, California
Dr. Royster's primary practice is Newport Beach Surgery Center, at 361 Hospital Road, Suite 124, Newport Beach, CA 92663. The practice phone is (949) 631-0988.
- Newport Beach Surgery Center361 Hospital Road, Suite 124, Newport Beach, CA 92663Phone(949) 631-0988
Source: Dmand AI Affiliation Data
Dr. Greene Donald Royster IV is affiliated with 2 sites of care and 1 medical group
Dr. Royster's primary practice is Newport Beach Surgery Center in Newport Beach, California. Dmand AI also links Dr. Royster to 1 group practice or clinic and 1 medical group, each named with a free account.
Newport Beach Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Greene Donald Royster IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Royster practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Newport Beach Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Greene Donald Royster IV is one of 219 reproductive endocrinology physicians in California
Reproductive endocrinology is Dr. Royster's primary specialty in the NPI Registry, under taxonomy code 207VE0102X. Dr. Royster is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Royster's licenses on file in 4 states: California, Texas, Indiana and North Carolina.
Specialties and state licenses
- Reproductive endocrinology, CaliforniaPrimary
- Texas license
- Indiana license
- North Carolina license
Reproductive endocrinology physicians near Dr. Royster
Counts of reproductive endocrinology physicians with a Dmand AI profile, by place and practice. Each opens the list.
219reproductive endocrinology physicians in California
8reproductive endocrinology physicians in Newport Beach
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Greene Donald Royster IV's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dr. Royster's median patient age at 37, with 90% women.
Dr. Royster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women90%
- Men10%
Source: Dmand AI Patient Panel Data
Dr. Greene Donald Royster IV has 6 publications on record
Dmand AI links 6 papers to Dr. Royster, published from 2014 to 2019. 2016 was the busiest year, with 2. The most frequent topics are Live Birth, Ovulation Induction and Pregnancy Rate. Dr. Royster's most frequent co-authors are Alan H. Decherney, MD, Eric Anthony Widra, MD and Rebecca Chason, MD.
Papers6
Years published2014 to 2019
Dr. Royster's papers by year, 2014 to 2019
Topics Dr. Royster writes about most
- Live Birth
- Ovulation Induction
- Pregnancy Rate
- Chorionic Gonadotropin
- Fertilization in Vitro
- Oocyte Retrieval
- Ovarian Follicle
Dr. Royster's most frequent co-authors
- Alan H. Decherney, MD3 shared papers
- Eric Anthony Widra, MD2 shared papers
- Rebecca Chason, MD1 shared paper
Recent publications by Dr. Royster
Reprod Biomed Online
Asian PeopleBlack or African AmericanBlack People
Cost-Benefit AnalysisDecision Support TechniquesDecision Trees
See who Dr. Royster researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Royster works with, so you can find a warm path to the right reproductive endocrinology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Greene Donald Royster IV received $360 in industry payments from 2021 to 2025
CMS Open Payments shows 21 general payments to Dr. Royster from 4 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 94% of the total. Organon LLC paid the most, $204.
General payments to Dr. Royster by program year, 2021 to 2025
General payments to Dr. Royster by kind, 2021 to 2025
$360in total
- Food and beverage$33794%
- Education$236%
Companies that paid Dr. Royster 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. Greene Donald Royster IV graduated from Uniformed Services University, F. Edward Hebert School of Medicine
Dr. Royster graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2006.
- Medical school
- Board certified in obstetrics & gynecology
- Board certified in reproductive endocrinology/infertility
Source: Dmand AI Professional Profile Data
Dr. Greene Donald Royster IV accepts plans from 16 insurance carriers
Dr. Royster is in network with 16 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Humana
- Alliant Health Plans
- HCSC
- Aspirus Health Plan
- +8 more carriersWith a free account
Plan types Dr. Royster accepts, by number of carriers
- HMO10
- PPO10
- POS6
- Medicare4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Greene Donald Royster IV'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 |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Greene Donald Royster IV
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. Greene Donald Royster IV's NPI number?
Dr. Greene Donald Royster IV's NPI number is 1518189885. It was assigned on May 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Greene Donald Royster IV?
Dr. Greene Donald Royster IV is a reproductive endocrinology physician in Newport Beach, California. The primary specialty in the NPI Registry is Reproductive Endocrinology Physician (taxonomy code 207VE0102X).
Where does Dr. Greene Donald Royster IV practice?
Dr. Royster practices at 361 Hospital Road, Suite 124, Newport Beach, CA 92663. Dr. Royster's primary practice is Newport Beach Surgery Center in Newport Beach, California. Dmand AI also links Dr. Royster to 1 group practice or clinic and 1 medical group.
What is Dr. Greene Donald Royster IV's office phone number?
The practice phone on file for Dr. Royster is (949) 631-0988.
What is Dr. Greene Donald Royster IV's medical license number?
Dr. Royster's California license number on file is C166960, one of the licenses on file in 4 states.
Which states has Dr. Greene Donald Royster IV been licensed in?
Dmand AI has state licenses on file for Dr. Royster in California (2019 to 2025), Texas (2018 to 2024), Indiana (2008 to 2021) and North Carolina (2020 to 2021).
Is Dr. Greene Donald Royster IV board certified?
Yes. Dr. Royster is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Greene Donald Royster IV go to medical school?
Dr. Royster graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2006.
Has Dr. Greene Donald Royster IV received payments from drug or device companies?
CMS Open Payments shows $360 in general payments to Dr. Royster from 4 companies from 2021 to 2025. The largest total came from Organon LLC.
How long has Dr. Greene Donald Royster IV been practicing?
Dr. Royster graduated from medical school in 2006, 20 years ago.
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Does Dr. Greene Donald Royster IV do research?
Dmand AI links 6 publications to Dr. Royster, published from 2014 to 2019.
Who does Dr. Greene Donald Royster IV publish with?
Dr. Royster's most frequent co-authors are Alan H. Decherney, MD (3 shared papers), Eric Anthony Widra, MD (2 shared papers) and Rebecca Chason, MD (1 shared paper).
What insurance does Dr. Greene Donald Royster IV accept?
Dr. Royster is in network with 16 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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