Individual
MARK D GRETSINGER
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
3439 GRANITE CIR, TOLEDO, OH 43617-1161
(419) 843-7996
(419) 841-7725
Mailing address
3439 GRANITE CIR, TOLEDO, OH 43617-1161
(419) 843-7996
(419) 841-7725
Taxonomy
Speciality
Code
Description
License number
State
207RG0100X
Gastroenterology Physician
Primary
35051729G
OH
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
000000581578
ANTHEM
—
01
—
00633
PARAMOUNT
—
05
—
0753868
—
OH
01
—
4095519
AETNA
—
01
—
P00659823
RAILROAD MEDICARE
—
Enumeration date
10/03/2005
Last updated
04/30/2012
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