Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathryn Blum, APRN

Q: What is the NPI number for Kathryn Blum?

The National Provider Identifier (NPI) for Kathryn Blum is 1720218951, a Type 1 (individual) record in the CMS NPPES registry.

Adult Health Nurse Practitioner in Roxbury Crossing, MA · enumerated 2009.

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

National Provider Identifier

1720218951

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Registry record

Entity type Individual (Type 1)

Name Kathryn Blum

Credential APRN

Sex Female

Practice address 125 Parker Hill Ave, Roxbury Crossing, MA, 02120

Phone (617) 754-5987

Fax (617) 754-6438

Enumeration date Jul 22, 2009

Last updated in NPPES Jul 22, 2009

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 155045 (MA) Primary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

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 does Kathryn Blum practice?

The practice location on file with NPPES is in Roxbury Crossing, MA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Kathryn Blum?

The National Provider Identifier (NPI) for Kathryn Blum is 1720218951, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Frederick Basilico Interventional Cardiology Physician · Roxbury Crossing, MA NPI 1316946882 Judith Waligunda Internal Medicine Physician · Roxbury Crossing, MA NPI 1003815150 David Kim Orthopaedic Surgery of the Spine Physician · Roxbury Crossing, MA NPI 1356343032 Scott Tromanhauser Orthopaedic Surgery of the Spine Physician · Boston, MA NPI 1023010527 Eric Woodard Neurological Surgery Physician · Roxbury Crossing, MA NPI 1932101433 New England Baptist Hospital General Acute Care Hospital · Roxbury Crossing, MA NPI 1699767491 Mihran Artinian Vascular & Interventional Radiology Physician · Boston, MA NPI 1366437170 Lindsey Kiser Specialist · Roxbury Crossing, MA NPI 1699760413

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-07-22.