Individual
NEIL J MARKWITH
Active
Individual
NEIL J MARKWITH
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
Primary
5961
NH
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
0004200383
AETNA
NH
01
—
020505817 0001
CIGNA
NH
01
—
14840608
CHAMPUS
NH
05
—
40209527
—
NH
01
—
4964320012
CIGNA-NH
NH
01
—
B86130
HARVARD
NH
Enumeration date
08/18/2005
Last updated
07/13/2026
Update your record
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