RYAN CHRISTOPHER WALSH
NPI 1144809765
General Practice in Cambridge, MA
About Ryan Christopher Walsh NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN CHRISTOPHER WALSH (NPI 1144809765) is an individual general practice provider in Cambridge, Massachusetts, licensed in Massachusetts (289050) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and is a graduate of Other (2021).
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
Ryan Christopher Walsh 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
2Medicare enrollment records show Ryan Walsh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 305 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 258 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 4
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.
Lawrence General Hospital
Acute Care Hospitals · Lawrence, MAHoly Family Hospital
Acute Care Hospitals · Methuen, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CAMBRIDGE, MA 02138
CAMBRIDGE, MA 02138
CAMBRIDGE, MA 02138
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 Walsh's NPI number?
The NPI number for Ryan Walsh is 1144809765. It was assigned to this individual provider in the NPPES registry on April 2, 2021.
Where is Ryan Walsh located?
Ryan Walsh practices at 330 Mount Auburn St, Cambridge, MA 02138. The listed phone number is (201) 264-2847.
What is Ryan Walsh's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Ryan Walsh enrolled in Medicare?
Yes. Ryan Walsh 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 Ryan Walsh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Walsh reassigns Medicare benefits to 2 organizations: Community Medical Associates, Inc. (Lawrence, MA) and Lawrence General Hospital (Lawrence, MA). 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 Ryan Walsh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Walsh accept?
Health plans from Taro Health list Ryan Walsh 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 Ryan Walsh affiliated with any hospitals?
According to CMS data, Ryan Walsh is affiliated with Lawrence General Hospital and Holy Family Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Walsh was last updated on July 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ryan Christopher Walsh · NPI 1144809765
General Practice physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since April 2, 2021.
## Identity
- **NPI:** 1144809765 (Entity type: Individual)
- **Enumerated:** April 2, 2021
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 289050 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 MOUNT AUBURN ST, Cambridge, MA 02138-5502
- **Phone:** (201) 264-2847
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Community Medical Associates, Inc. (NPI 1144544040, Lawrence, MA); Lawrence General Hospital (NPI 1477790152, Lawrence, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1144809765) · Data from the CMS NPPES public registry.