Individual
DR. NORMAN SHIZUAKI NISHIOKA
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
55 FRUIT ST, GASTROENTEROLOGY ASSOCIATES BLK 4, BOSTON, MA 02114-2621
(617) 726-4422
(617) 724-6832
Mailing address
PO BOX 9142, MASS GENERAL PHYSICIAN ORGANIZATION, CHARLESTOWN, MA 02129-9142
(617) 724-0287
(617) 726-2894
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
51195
MA
207RG0100X
Gastroenterology Physician
Primary
51195
MA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
051195
TUFTS HEALTH PLAN
MA
05
—
3024822
—
MA
01
—
J04630
BCBS MA
MA
Enumeration date
10/26/2005
Last updated
07/13/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up