Physician Profile
Unclaimed ProfileAbout ANANTHAKRISHNAN
Ashwin N Ananthakrishnan, M.D., MPH practices gastroenterology in Boston, MA. Ashwin is also listed as specializing in internal medicine. Medicare claims data shows Ashwin provided 524 services to 444 patients.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (617) 726-0267
- Email not available
Practice Locations
165 CAMBRIDGE ST 9TH FL
Boston, MA 02114
Procedures Most Often Billed to Medicare
524 services · 444 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
34 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
23 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
16 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
12 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
126 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
69 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
64 |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
41 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
38 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
38 |
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 7
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 gastroenterology specialists in Boston 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Other 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. Ananthakrishnan specialize in?
Dr. Ananthakrishnan is a gastroenterology in Boston, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Ananthakrishnan located?
Dr. Ananthakrishnan is listed at 165 CAMBRIDGE ST 9TH FL, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ananthakrishnan's phone number?
The number on file is (617) 726-0267. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ananthakrishnan?
Dr. Ananthakrishnan's National Provider Identifier is 1033292545. 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. Ananthakrishnan go to medical school?
Dr. Ananthakrishnan attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ananthakrishnan have?
Dr. Ananthakrishnan has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ananthakrishnan do most often?
According to Medicare billing data, Dr. Ananthakrishnan performs procedures including biopsy of large bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ananthakrishnan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ananthakrishnan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.