Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Colleen E Ryan, MD
Pediatrics Physician in Walpole, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326040783
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Registry record
Entity type Individual (Type 1)
Name Colleen E Ryan
Credential MD
Sex Female
Practice address 1350 Main St, Walpole, MA, 02081
Phone (508) 668-2200
Fax (508) 668-6539
Enumeration date Aug 15, 2005
Last updated in NPPES Jul 13, 2026
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3125998 | Medicaid | MA | - |
| 36145 | Other | - | CMSP/HSP |
| 9314935 | Other | - | CIGNA |
| 4514287 | Other | - | AETNA/US HEALTHCARE |
| 920717 | Other | - | AETNA/US HEALTHCARE HMO |
| 79455 | Other | - | MEDICAL LIC |
| J14629 | Other | - | BCBS-MA |
| 079455 | Other | - | TUFTS |
| 200481 | Other | - | HPHC |
| 3125998 | Other | - | MEDICAID-MA |
| P2967576 | Other | - | OXFORD |
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.
Frequently asked questions
Where does Colleen Ryan practice?
The practice location on file with NPPES is in Walpole, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Colleen Ryan?
The National Provider Identifier (NPI) for Colleen Ryan is 1326040783, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Andrew Arrison Pediatrics Physician · Walpole, MA NPI 1255332821 Michael Freiberger Pediatrics Physician · Walpole, MA NPI 1548261993 Peter Cohn Pediatrics Physician · Walpole, MA NPI 1538160981 Patricia Wirth-Moody Nurse Practitioner · Walpole, MA NPI 1619978079 Catherine Callaghan Nurse Practitioner · Walpole, MA NPI 1730140799 Rachel Acker Pediatrics Physician · Walpole, MA NPI 1396707550 Dominic Caruso Orthodontics and Dentofacial Orthopedics Dentistry · Walpole, MA NPI 1619034543 Kaelyn Hevert Clinical Social Worker · Walpole, MA NPI 1740580737
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-13.