MEGAN CAROL GALLAGHER M.D.
NPI 1114284890
Internal Medicine - Infectious Disease in Springfield, MA
About Megan Carol Gallagher M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEGAN CAROL GALLAGHER M.D. (NPI 1114284890) is an individual infectious disease provider in Springfield, Massachusetts, licensed in Massachusetts (275103) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Hartford, and is a graduate of Drexel University College Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Megan Carol Gallagher M.d. 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
3Medicare enrollment records show Megan Gallagher reassigns Medicare billing to 3 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
- 168 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- 1,333 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01107 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
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 Megan Gallagher's NPI number?
The NPI number for Megan Gallagher is 1114284890. It was assigned to this individual provider in the NPPES registry on April 18, 2012.
Where is Megan Gallagher located?
Megan Gallagher practices at 3300 Main St Fl 3, Springfield, MA 01107. The listed phone number is (413) 794-7394.
What is Megan Gallagher's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Megan Gallagher enrolled in Medicare?
Yes. Megan Gallagher 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 Megan Gallagher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Megan Gallagher reassigns Medicare benefits to 3 organizations: Mercy Inpatient Medical Associates Inc. (Springfield, MA), Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT) and Hartford Hospital (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 Megan Gallagher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Megan Gallagher accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Megan Gallagher 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 Megan Gallagher was last updated on October 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Megan Carol Gallagher, M.D. · NPI 1114284890
Infectious Disease physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since April 18, 2012.
## Identity
- **NPI:** 1114284890 (Entity type: Individual)
- **Enumerated:** April 18, 2012
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 275103 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 3300 MAIN ST FL 3, Springfield, MA 01107-1112
- **Phone:** (413) 794-7394 · **Fax:** (413) 794-7136
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mercy Inpatient Medical Associates Inc. (NPI 1407845282, Springfield, MA); Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT); Hartford Hospital (NPI 1770696643, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Drexel University College Of Medicine, class of 2008
## Record status
- **NPPES last updated:** October 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1114284890) · Data from the CMS NPPES public registry.