Individual
JOHN B CONSTANTINE
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
19 VILLAGE SQ, CHELMSFORD, MA 01824-2712
(978) 256-5600
(978) 703-0250
Mailing address
19 VILLAGE SQ, CHELMSFORD, MA 01824-2712
(978) 256-5600
(978) 703-0250
Taxonomy
Speciality
Code
Description
License number
State
174400000X
Specialist
71751
MA
207W00000X
Ophthalmology Physician
Primary
71751
MA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
0004859
NEIGHBORHOOD HEALTH PLAN
MA
01
—
0800093
EVER CARE
MA
01
—
15288
HARVARD PILGRIM HEALTH
MA
01
—
158296
PHCS
MA
01
—
180007
RAIL ROAD MEDICARE
MA
05
—
2024535
—
MA
01
—
21480
HEALTH SOURCE
MA
01
—
21879
FALLON
MA
01
—
32774
JOHN HANCOCK/CHILDERN
MA
01
—
7494
DAVIS VISION
MA
01
—
981909
NET WORK HEALTH
MA
01
—
B26214
BC/BS MA
MA
01
—
CIGNA
20516
MA
01
—
P451314
OXFORD HEALTH
MA
01
—
S000303
CHAMPUS
MA
Enumeration date
07/11/2005
Last updated
09/29/2011
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