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Individual

GREGORY R. MASON

Active
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Individual

GREGORY R. MASON

Active
Sole proprietor
No

Provider details

NPI number
Gender
Man
Credential
M.D.

Taxonomy

Speciality
Code
Description
License number
State
207RP1001X
Pulmonary Disease Physician
Primary
C36997
CA

Other

Other identifiers
Code
Description
Identifier
Issuer
State
05
00C369970
CA
01
CH1382
RAILROAD MEDICARE
CA
01
DA6447
RAILROAD MEDICARE
CA
01
M050376
GROUP
CA
01
W14940
GROUP
CA
Enumeration date
05/30/2006
Last updated
05/16/2019
Update your record

If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS at https://nppes.cms.hhs.gov.

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