Physician Profile
Unclaimed ProfileAbout BASU
Based in Ayer, MA, Sanjay Basu, MD is listed in the NPI registry under internal medicine. Sanjay is also listed as specializing in addiction medicine. According to Medicare claims data, Sanjay cared for 353 Medicare patients across 557 services.
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
- (978) 784-9000
- Email not available
Practice Locations
200 GROTON RD
Ayer, MA 01432
Procedures Most Often Billed to Medicare
557 services · 353 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
19 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
347 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
89 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
79 |
| Administration of influenza virus vaccine | Billing code | G0008 |
23 |
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 internal medicines 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 — 26 related providers in 4 groups
Other internal medicines in Ayer 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, inactivated 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Basu?
Dr. Basu is an internal medicine in Ayer, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Basu's address?
Dr. Basu is listed at 200 GROTON RD, Ayer, MA 01432. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Basu?
The number on file is (978) 784-9000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Basu's NPI number?
Dr. Basu's National Provider Identifier is 1285682450. 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. Basu train?
Dr. Basu attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Basu been practicing?
Dr. Basu has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Basu perform?
According to Medicare billing data, Dr. Basu provides treatments such as influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Basu confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Basu. 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.