Individual
MARK A BLUMBERG
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
207N00000X
Dermatology Physician
Primary
223863
MA
207ND0900X
Dermatopathology Physician
223863
MA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
223863
CONNECTICARE
—
01
—
36373
HEALTH NEW ENGLAND
—
01
—
470305
TUFTS HEALTH PLANS
—
01
—
J28609
BLUE CROSS BLUE SHIELD
MA
01
—
P00231584
RAILROAD MEDICARE
—
Enumeration date
07/08/2005
Last updated
12/18/2025
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