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Individual
RALPH J BLAIR
Active
Individual
RALPH J BLAIR
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
51227
MA
207RI0200X
Infectious Disease Physician
51227
MA
208M00000X
Hospitalist Physician
Primary
51227
MA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
0015282
NEIGHBORHOOD HEALTH
MA
05
—
3004481
—
MA
01
—
722575
TUFTS
MA
01
—
J05173
BLUE CROSS
MA
01
—
PV408
HARVARD PILGRIM
MA
Enumeration date
07/11/2006
Last updated
09/11/2025
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