GLENN F ALLI MD
NPI 1639180268
Internal Medicine in West Springfield, MA
About Glenn F Alli Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GLENN F ALLI MD (NPI 1639180268) is an individual internal medicine provider in West Springfield, Massachusetts, licensed in Massachusetts (73060) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (1989).
NPPES Registry Identity
Specialties & Licenses
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
Glenn F Alli 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 Reassignment
Medicare enrollment records show Glenn Alli reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01089 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WEST SPRINGFIELD, MA 01089
WEST SPRINGFIELD, MA 01089
WEST SPRINGFIELD, MA 01089
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 Glenn Alli's NPI number?
The NPI number for Glenn Alli is 1639180268. It was assigned to this individual provider in the NPPES registry on August 10, 2006.
Where is Glenn Alli located?
Glenn Alli practices at 46 Daggett Dr, West Springfield, MA 01089. The listed phone number is (413) 794-9101.
What is Glenn Alli's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Glenn Alli enrolled in Medicare?
Yes. Glenn Alli 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 organization bills Medicare for Glenn Alli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Glenn Alli reassigns Medicare benefits to Baystate Medical Practices, Inc (Springfield, MA). The 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 Glenn Alli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Glenn Alli accept?
Health plans from Taro Health list Glenn Alli 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.
When was this NPI record last updated?
The NPPES record for Glenn Alli was last updated on November 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Glenn F Alli, MD · NPI 1639180268
Internal Medicine physician in West Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since August 10, 2006.
## Identity
- **NPI:** 1639180268 (Entity type: Individual)
- **Enumerated:** August 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 73060 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 46 DAGGETT DR, West Springfield, MA 01089-4638
- **Phone:** (413) 794-9101 · **Fax:** (413) 794-9116
## 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:** Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 1989
## Record status
- **NPPES last updated:** November 15, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1639180268) · Data from the CMS NPPES public registry.