Physician Profile
Barbara J. Nath, MD
Unclaimed ProfileAbout Dr. Nath
Barbara J. Nath, MD practices gastroenterology in Boston, MA. Barbara is a 1977 graduate of Columbia University College of Physicians and Surgeons. Barbara is also listed as specializing in internal medicine. Medicare claims data shows Barbara provided 1,190 services to 1,071 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (617) 726-3505
- Email not available
Practice Locations
55 FRUIT ST GASTROENTEROLOGY ASSOCIATES BLK 4
Boston, MA 02114
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
1,190 services · 1,071 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
60 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
54 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
50 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
24 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
13 |
| Study of rectum sensitivity and function | Treatment | 91122 |
29 |
| Test for tone and sensation of rectum and anus | Treatment | 91120 |
29 |
| Study of esophagus to assess movement | Treatment | 91010 |
20 |
| Monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91037 |
15 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
220 |
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.
Related specialists at this location 1
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.
Other gastroenterologists in Boston 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Nath specialize in?
Dr. Nath 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 Dr. Nath located?
Dr. Nath is listed at 55 Fruit St Gastroenterology Associates Blk 4, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Nath's phone number?
The number on file is (617) 726-3505. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Nath?
Dr. Nath's National Provider Identifier is 1427048503. 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 Dr. Nath go to medical school?
Dr. Nath attended Columbia University College of Physicians and Surgeons, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nath have?
Dr. Nath has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Nath do most often?
According to Medicare billing data, Dr. Nath performs procedures including biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as study of rectum sensitivity and function and test for tone and sensation of rectum and anus, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nath's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nath. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.