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Dr. Colleen M Ryan, MD

Dr. Colleen M Ryan is a Surgery Physician provider (Surgery) practicing in Boston, MA, registered in the NPPES registry with NPI 1366461378 since 2006. The credential MD stands for Doctor of Medicine. Practices at Mgh Outpatient Pharmacy (listed at the same practice address in NPPES).

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NPI 1366461378
Entity type Individual (Type 1)
Name Dr. Colleen M Ryan
Credential MD
Sex Female
Practice address 55 FRUIT STREET, GRB 1302 TRAUMA AND SURGICAL CRITICAL CARE, Boston, MA, 02114
Phone 6177263184
Fax 6177248432
Enumeration date 2006-07-19
Last updated in NPPES 2025-09-11

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208600000X Surgery Physician Primary 58911 MA
2086S0102X Surgical Critical Care Physician Secondary 58911 MA

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
3040771 Medicaid MA
728616 Other MA TUFTS HEALTH PLAN
J07975 Other MA BCBS MA
Copy-ready billing details
Provider: Colleen Ryan, MD
NPI: 1366461378
Taxonomy: 208600000X (Surgery Physician)
Address: 55 FRUIT STREET, GRB 1302 TRAUMA AND SURGICAL CRITICAL CARE, Boston, MA, 02114

Other providers at this practice address

NPI Name Type Specialty Location
1407854094 Adam Landsman Individual Foot Surgery Podiatrist Boston, MA
1962492603 Maryetta King Individual Pediatrics Physician Boston, MA
1285624833 Raul Uppot Individual Diagnostic Radiology Physician Boston, MA
1487644753 Stephen Goldfinger Individual Internal Medicine Physician Boston, MA
1457341646 Xiangwei Zhang Individual Anesthesiology Physician Boston, MA
1053301226 Donna Greenberg Individual Psychiatry Physician Boston, MA
1134119449 Vilma Ortiz Individual Anesthesiology Physician Boston, MA
1851381941 Joseph Avruch Individual Endocrinology, Diabetes & Metabolism Physician Boston, MA

Verify this record

Cross-check NPI 1366461378 against the authoritative CMS record: view Dr. Colleen M Ryan on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Colleen Ryan?
The National Provider Identifier (NPI) for Colleen Ryan is 1366461378, a Type 1 (individual) record in the CMS NPPES registry.
Where does Colleen Ryan practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-09-11.