Quick answers
- Which hospitals does Nitin Aggarwal work at?
- Medicare's official clinician data lists Nitin Aggarwal at 2 hospitals: Lowell General Hospital and Merrimack Health Lawrence Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nitin Aggarwal see patients?
- Medicare's clinician data lists 2 practice locations, including Andover, MA and Lowell, MA. Call before your visit to confirm the address.
- What is Nitin Aggarwal's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Nitin Aggarwal accept Medicare assignment?
- Yes. Medicare's clinician data says Nitin Aggarwal accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Nitin Aggarwal offer telehealth?
- Medicare's clinician data says Nitin Aggarwal offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nitin Aggarwal?
- (978) 459-6737, as listed in official Medicare / NPI Registry data.
- What is Nitin Aggarwal's NPI number?
- 1407145402. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nitin Aggarwal works
Medicare's Facility Affiliation Data lists Nitin Aggarwal at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lowell General HospitalLowell, MA · Acute Care Hospital · CCN 220063
- Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · CCN 220010
Practice locations
Addresses where Nitin Aggarwal is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Federal St, Suite 103Andover, MA 01810 (978) 459‑6737
- 41 Wellman St, Suite 400Lowell, MA 01851 (978) 459‑6737
Group practices
Medicare enrollment lists Nitin Aggarwal as a member of these groups (CMS data updated 2026-10-02).
- Integrated Gastroenterology Consultants, P.C.38 clinicians in the group
- Igc III PLLC3 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Andover
Clinicians with the same Medicare primary specialty in Andover, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407145402 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians