Dr. Norman Shizuaki Nishioka, MD
Dr. Norman Shizuaki Nishioka, MD is a Gastroenterology in Boston, Massachusetts. Graduated from University of California, Geffen School of Medicine in 1981, 45 years ago. Practices with The General Hospital Corporation, a 1,276-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.
- Years since qualifying
- 45
- Trained at
- University of California, Geffen School of Medicine
- Licensed in
- MA
- In the registry since
- 2005
- Specialties on file
- 2
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
55 Fruit St Gastroenterology Associates Blk 4Boston, MA 02114-2621
Phone: (617) 726-4422
Fax: (617) 724-6832
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Gastroenterology Physician (primary) | Taxonomy 207RG0100X · Licence 51195 (MA) |
|---|---|
| Internal Medicine Physician | Taxonomy 207R00000X · Licence 51195 (MA) |
Record details
| NPI number | 1174513600 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | October 26, 2005 |
| Last updated in NPPES | July 13, 2026 |
Medicare enrollment
| Medicare specialty | GASTROENTEROLOGY |
|---|---|
| Also practises | INTERNAL MEDICINE |
| Medical school | UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE |
| Graduated | 1981 (45 years in practice) |
| Group practice | The General Hospital Corporation — 1276 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Telehealth | Offers telehealth services |
| Practice locations | 2 on file with Medicare |
Other providers in Boston
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Dr. Britain Welton Nicholson, MD
15 Parkman Street Bulfinch Medical Group Wang 535, Boston, MA 02114-2621 · (617) 724-6610
-
Laura Bradford Nicholson
75 Francis St, Boston, MA 02115-6110 · (617) 732-6040
-
Dr. Sagar Uday Nigwekar, MD
165 Cambridge St Ste 302, Boston, MA 02114-2783 · (585) 729-8636
-
Dr. John L Niles, MD
101 Merrimac St 1st Fl, Boston, MA 02114-4724 · (617) 726-4132
-
Pitchaphon Nissaisorakarn, MD
55 Fruit St, Boston, MA 02114-2696 · (877) 644-2860
-
Sahar Nissim
75 Francis St, Boston, MA 02115-6110 · (617) 525-6841
-
Kenneth W. Nobel, MD
1200 Centre St, Boston, MA 02131-1011 · (617) 363-8522
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Dr. Eric D. Nolen-Doerr, MD
732 Harrison Ave Fl 2 Preston Bldg, Boston, MA 02118-2309 · (617) 638-7470