RYAN RICHARD AHERN
NPI 1396438560
Internal Medicine in Springfield, MA
About Ryan Richard Ahern NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN RICHARD AHERN (NPI 1396438560) is an individual internal medicine provider in Springfield, Massachusetts, licensed in Massachusetts (1028502) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (2023).
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
Ryan Richard Ahern 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 Ryan Ahern 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 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ryan Ahern's NPI number?
The NPI number for Ryan Ahern is 1396438560. It was assigned to this individual provider in the NPPES registry on June 1, 2023.
Where is Ryan Ahern located?
Ryan Ahern practices at 759 Chestnut St Ste C3350, Springfield, MA 01107. The listed phone number is (413) 794-4320.
What is Ryan Ahern's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ryan Ahern enrolled in Medicare?
Yes. Ryan Ahern 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 Ryan Ahern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Ahern 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 Ryan Ahern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Ahern accept?
Health plans from Taro Health list Ryan Ahern 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 Ryan Ahern was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.
# Ryan Richard Ahern · NPI 1396438560
Internal Medicine physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since June 1, 2023.
## Identity
- **NPI:** 1396438560 (Entity type: Individual)
- **Enumerated:** June 1, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 1028502 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 759 CHESTNUT ST STE C3350, Springfield, MA 01107-1619
- **Phone:** (413) 794-4320 · **Fax:** (413) 794-1767
## 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:** Tufts University School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** September 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1396438560) · Data from the CMS NPPES public registry.