Physician Profile
Hiroyuki Aihara, M.D.
Unclaimed ProfileAbout Dr. Aihara
Based in Boston, MA, Hiroyuki Aihara, M.D. is listed in the NPI registry under gastroenterology. Medicare claims data shows Hiroyuki provided 612 services to 605 patients. The services billed most often include removal of polyps or growths of large bowel using an endoscope with mechanical snare, moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. NPI 1619395795 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 732-5500
- Email not available
Practice Locations
75 FRANCIS ST
Boston, MA 02115
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
612 services · 605 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
152 | More often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
99 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
91 | More often than most peers in Gastroenterology |
| Other procedure on large bowel | Procedure | 45399 |
41 | Too few peers to compare |
| Removal of large bowel tissue using a flexible endoscope | Procedure | 45390 |
31 | More often than most peers in Gastroenterology |
| Removal of tissue lining of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43254 |
13 | Less often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
12 | Less often than most peers in Gastroenterology |
| Other procedure on esophagus | Procedure | 43499 |
11 | Too few peers to compare |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
144 | More often than most peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
18 | As often as other peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other gastroenterologists in Boston 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Hiroyuki Aihara specialize in?
Hiroyuki Aihara is a gastroenterologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Hiroyuki Aihara located?
Hiroyuki Aihara is listed at 75 Francis St, Boston, MA 02115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Hiroyuki Aihara's phone number?
The number on file is (617) 732-5500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Hiroyuki Aihara?
Hiroyuki Aihara's National Provider Identifier is 1619395795. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Hiroyuki Aihara train?
Hiroyuki Aihara attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Hiroyuki Aihara have?
Hiroyuki Aihara has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Hiroyuki Aihara do most often?
According to Medicare billing data, Hiroyuki Aihara performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Hiroyuki Aihara's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Hiroyuki Aihara. If this is you, claiming it is free.
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