Physician Profile
Gregory R. Mason, M.D.
Unclaimed ProfileAbout Dr. Mason
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (310) 222-5101
- Email not available
Practice Locations
21840 NORMANDIE AVE STE. 700
Torrance, CA 90502
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 lung specialists at this location 2
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 does Gregory R. Mason specialize in?
Gregory R. Mason is a lung specialist in Torrance, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is Gregory R. Mason located?
Gregory R. Mason is listed at 21840 Normandie Ave Ste. 700, Torrance, CA 90502. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gregory R. Mason's phone number?
The number on file is (310) 222-5101. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Gregory R. Mason?
Gregory R. Mason's National Provider Identifier is 1841247145. 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 Gregory R. Mason have?
Gregory R. Mason has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Gregory R. Mason's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory R. Mason. 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.