Physician Profile
Greene D. Royster, M.D.
Unclaimed ProfileAbout Dr. Royster
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (949) 642-8727
- Email not available
Practice Locations
361 HOSPITAL RD STE 333
Newport Beach, CA 92663
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other reproductive endocrinology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Greene D. Royster's specialty?
Greene D. Royster is a reproductive endocrinology in Newport Beach, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Greene D. Royster?
Greene D. Royster is listed at 361 Hospital Rd Ste 333, Newport Beach, CA 92663. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Greene D. Royster?
The number on file is (949) 642-8727. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Greene D. Royster?
Greene D. Royster's National Provider Identifier is 1518189885. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Greene D. Royster have?
Greene D. Royster has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Greene D. Royster's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Greene D. Royster. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.