DR. WALTER MATTHEW RYAN III DO
NPI 1073503843
Internal Medicine - Allergy & Immunology in Nashua, NH
About Dr. Walter Matthew Ryan Iii Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WALTER MATTHEW RYAN III DO (NPI 1073503843) is an individual allergy & immunology provider in Nashua, New Hampshire, licensed in New Hampshire (24463) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains a secondary practice location in Plantation.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Walter Matthew Ryan Iii Do 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.
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03063 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
NASHUA, NH 03063
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 Walter Ryan's NPI number?
The NPI number for Walter Ryan is 1073503843. It was assigned to this individual provider in the NPPES registry on October 24, 2005.
Where is Walter Ryan located?
Walter Ryan practices at 2300 Southwood Dr, Nashua, NH 03063. The listed phone number is (603) 577-4000.
What is Walter Ryan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.
Is Walter Ryan enrolled in Medicare?
Yes. Walter 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.
What insurance does Walter Ryan accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Molina Healthcare list Walter 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 Walter Ryan affiliated with any hospitals?
According to CMS data, Walter Ryan is affiliated with Mary Hitchcock Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Walter Ryan was last updated on August 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
