Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Dubay, Wasserman, Conway, MD, PA

Obstetrics & Gynecology Physician in Merrimack, NH · enumerated 2008 · authorized official Leonard Wasserman, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1659537728

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Registry record

Entity type Organization (Type 2)

Legal business name Dubay, Wasserman, Conway, MD, PA

Practice address 30 Daniel Webster Highway, Suite 11, Merrimack, NH, 03054

Phone (603) 883-3365

Fax (603) 883-5758

Enumeration date Jul 29, 2008

Last updated in NPPES Jul 29, 2008

Taxonomy & classification

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Leonard Wasserman

Title President

Phone (603) 883-3365

Other identifiers

Identifier	Type	State	Issuer
30212712	Medicaid	NH	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Dubay, Wasserman, Conway, MD, PA located?

The practice location on file with NPPES is in Merrimack, NH.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-07-29. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-29.