Active NPIIndividual providerSole proprietor

Dr. Walter M Ryan III, DO

Internal Medicine, Allergy & Immunology in Nashua, New Hampshire

NPI Number1073503843
Practice location
2300 Southwood Dr, Nashua, NH 03063-1818
Fax
—
Last updated
August 4, 2023

Walter Matthew Ryan is an Internal Medicine, Allergy & Immunology based in Nashua, NH. Walter Matthew Ryan practices in Nashua, NH and has the professional credentials of DO. The NPI Number for Walter Matthew Ryan is 1073503843 and holds a License No. OS10177 (FL). The current practice location address for Walter Matthew Ryan is 2300 Southwood Dr, Nashua, NH 03063-1818 and can be reached out via phone at 603-577-4000.

Provider Profile Details

NPI Number
1073503843
Provider Name
Walter Matthew Ryan
Credential
DO
Provider Entity Type
Individual
Gender
Male
Address
2300 Southwood Dr, Nashua, NH 03063-1818
Phone Number
603-577-4000
Primary Taxonomy
Internal Medicine, Allergy & Immunology · 207RA0201X
Sole Proprietor
Yes
Provider Enumeration Date
October 24, 2005
Last Update Date
August 4, 2023
Certification Date
July 19, 2023
NPI Status
Active

Provider Business Practice Location Address Details

Address
2300 Southwood Dr
Nashua, NH 03063-1818
City
Nashua
Zip
03063-1818
Phone Number
603-577-4000
Nashua, NH 03063Get directions →

Provider Business Mailing Address Details

Address
Po Box 810
Hanover, NH 03755-0810
City
Hanover
State
NH
Zip
03755-0810
Phone Number
603-308-1453

License Information

License Number (1)
OS10177
License State (1)
FL
Taxonomy (1)
Allergy & Immunology · 207K00000X
License Number (2)
24463
License State (2)
NH
Taxonomy (2)
Internal Medicine, Allergy & Immunology · 207RA0201X · Primary

Legacy Identifiers

IdentifierTypeStateIssuer
No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider.

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Frequently Asked Questions

What is the NPI number of Dr. Walter M Ryan III, DO?

The NPI number of Dr. Walter M Ryan III, DO is 1073503843. It was assigned on October 24, 2005 and is currently active in the NPPES registry.

What is the specialty of Dr. Walter M Ryan III, DO?

Dr. Walter M Ryan III, DO is registered under the primary taxonomy Internal Medicine, Allergy & Immunology (code 207RA0201X), licensed in FL under license number OS10177.

Where does Dr. Walter M Ryan III, DO practice?

The practice location is 2300 Southwood Dr, Nashua, NH 03063-1818. The office can be reached at 603-577-4000 (phone).

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.

How do I verify this NPI record?

This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1073503843 directly on the NPPES registry website.

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