Individual
DOUGLAS ROBERT FIEDLER
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207RC0200X
Critical Care Medicine (Internal Medicine) Physician
23729
NE
207RP1001X
Pulmonary Disease Physician
Primary
23729
NE
207RP1001X
Pulmonary Disease Physician
L3642
TX
207RS0012X
Sleep Medicine (Internal Medicine) Physician
23729
NE
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
10026942407
—
NE
01
—
P00326485
RAILROAD MEDICARE
NE
Enumeration date
06/06/2006
Last updated
03/25/2025
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