Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Linda B Klein, NP

Q: What is the NPI number for Linda Klein?

The National Provider Identifier (NPI) for Linda Klein is 1255303780, a Type 1 (individual) record in the CMS NPPES registry.

Neonatal Nurse Practitioner in Boulder, CO · enumerated 2006.

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

National Provider Identifier

1255303780

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Registry record

Entity type Individual (Type 1)

Name Linda B Klein

Credential NP

Sex Female

Practice address 4747 Arapahoe Ave, Boulder, CO, 80303

Phone (720) 854-7152

Fax (720) 854-7114

Enumeration date Feb 7, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LN0000X Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 169656 (CO) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
72031719	Medicaid	CO	-

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

What is the NPI number for Linda Klein?

The National Provider Identifier (NPI) for Linda Klein is 1255303780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Linda Klein practice?

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

Other providers at this practice address

Browse all →

Boulder Community Health General Acute Care Hospital · Boulder, CO NPI 1821074196 Michael Thompson Emergency Medicine Physician · Boulder, CO NPI 1316924178 Cynthia Ashby Neonatal Nurse Practitioner · Boulder, CO NPI 1639157472 Matthew Loran Emergency Medicine Physician · Boulder, CO NPI 1376521641 Carol Wallman Neonatal Nurse Practitioner · Boulder, CO NPI 1548248008 Stefanie Krenz Internal Medicine Physician · Boulder, CO NPI 1982676250 Michael Schlegel Emergency Medicine Physician · Boulder, CO NPI 1740252220 Matthew Blomquist Diagnostic Radiology Physician · Boulder, CO NPI 1487629036

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.