ELIZABETH ANNE RYAN NP, RN
NPI 1730655085
Nurse Practitioner in Boston, MA
About Elizabeth Anne Ryan Np, Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH ANNE RYAN NP, RN (NPI 1730655085) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (RN2311171) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS, is affiliated with Milford Regional Medical Center, and maintains a secondary practice location in Milford.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Elizabeth Anne Ryan Np, Rn 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 Elizabeth Ryan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Milford, MA 01757
- Reassigned Medicare billing, Massachusetts enrollment
- 238 clinicians in this Medicare group
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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 7
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Milford Regional Medical Center
Acute Care Hospitals · Milford, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MATufts Medical Center
Acute Care Hospitals · Boston, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Elizabeth Ryan's NPI number?
The NPI number for Elizabeth Ryan is 1730655085. It was assigned to this individual provider in the NPPES registry on October 15, 2018.
Where is Elizabeth Ryan located?
Elizabeth Ryan practices at 55 Fruit Street Mgh Lunder 6 Neuro Icu, Boston, MA 02114. The listed phone number is (973) 975-2696.
What is Elizabeth Ryan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Elizabeth Ryan enrolled in Medicare?
Yes. Elizabeth Ryan 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 Elizabeth Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Ryan reassigns Medicare benefits to 4 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Milford Regional Physician Group, Inc. (Milford, MA) and Umass Memorial Medical Group Inc (Worcester, 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 Elizabeth Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth Ryan accept?
Health plans from Taro Health list Elizabeth Ryan 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 Elizabeth Ryan affiliated with any hospitals?
According to CMS data, Elizabeth Ryan is affiliated with Milford Regional Medical Center, Brigham And Women's Hospital, Tufts Medical Center and Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Elizabeth Ryan was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Elizabeth Anne Ryan, NP, RN · NPI 1730655085
Nurse Practitioner physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 15, 2018.
## Identity
- **NPI:** 1730655085 (Entity type: Individual)
- **Enumerated:** October 15, 2018
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN2311171 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT STREET, MGH LUNDER 6 NEURO ICU, Boston, MA 02114
- **Phone:** (973) 975-2696
## 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): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Milford Regional Physician Group, Inc. (NPI 1902856024, Milford, MA); Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 27, 2025
- **Other identifiers:** Other RN2311171 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1730655085) · Data from the CMS NPPES public registry.