DR. ALISTAIR ANDREW BELL MD
NPI 1265953616
Internal Medicine in Springfield, MA
About Dr. Alistair Andrew Bell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALISTAIR ANDREW BELL MD (NPI 1265953616) is an individual internal medicine provider in Springfield, Massachusetts, licensed in Massachusetts (283251) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Ctr, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alistair Andrew Bell Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Alistair Bell reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 298 clinicians in this Medicare group
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 168 clinicians in this Medicare group
Manchester, CT 06040
- Reassigned Medicare billing, Connecticut enrollment
- 130 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Ctr
Acute Care Hospitals · Springfield, MABaystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alistair Bell's NPI number?
The NPI number for Alistair Bell is 1265953616. It was assigned to this individual provider in the NPPES registry on July 6, 2017.
Where is Alistair Bell located?
Alistair Bell practices at 271 Carew St, Springfield, MA 01104. The listed phone number is (413) 748-9349.
What is Alistair Bell's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alistair Bell enrolled in Medicare?
Yes. Alistair Bell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alistair Bell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alistair Bell reassigns Medicare benefits to 4 organizations: Riverbend Medical Group, Inc. (Springfield, MA), Mercy Inpatient Medical Associates Inc. (Springfield, MA), Hospitalist Medicine Physicians Of Connecticut, LLC (Manchester, CT) and Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alistair Bell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alistair Bell accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Alistair Bell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alistair Bell affiliated with any hospitals?
According to CMS data, Alistair Bell is affiliated with Mercy Medical Ctr and Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Alistair Bell was last updated on June 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Alistair Andrew Bell, MD · NPI 1265953616
Internal Medicine physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since July 6, 2017.
## Identity
- **NPI:** 1265953616 (Entity type: Individual)
- **Enumerated:** July 6, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 283251 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 271 CAREW ST, Springfield, MA 01104-2377
- **Phone:** (413) 748-9349
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Riverbend Medical Group, Inc. (NPI 1841651197, Springfield, MA); Mercy Inpatient Medical Associates Inc. (NPI 1407845282, Springfield, MA); Hospitalist Medicine Physicians Of Connecticut, LLC (NPI 1558696153, Manchester, CT); Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** June 10, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1265953616) · Data from the CMS NPPES public registry.