Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Andrew David Klein, PA-C
Physician Assistant in Thornton, CO · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902146681
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Registry record
Entity type Individual (Type 1)
Name Mr. Andrew David Klein
Credential PA-C
Sex Male
Practice address 13631 Colorado Blvd, Thornton, CO, 80602
Phone (303) 252-2960
Fax (720) 494-3113
Enumeration date Feb 18, 2013
Last updated in NPPES Sep 30, 2019
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1104347 (CO) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 79150845 | 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.
Frequently asked questions
Where does Andrew Klein practice?
The practice location on file with NPPES is in Thornton, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Andrew Klein?
The National Provider Identifier (NPI) for Andrew Klein is 1902146681, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Timothy Mackie Surgical Physician Assistant · Thornton, CO NPI 1689655466 Evan Minard Emergency Medicine Physician · Thornton, CO NPI 1912955329 Neil Smith Physician Assistant · Thornton, CO NPI 1497814982 Lorraine Malonson Physician Assistant · Thornton, CO NPI 1720208036 Randa Spencer Family Nurse Practitioner · Thornton, CO NPI 1982815494 Peter Guando Physician Assistant · Thornton, CO NPI 1699190215 Thornton 136th Medical Center, LLC Emergency Care Clinic/Center · Thornton, CO NPI 1801206792 Sarah Burnham Physician Assistant · Thornton, CO NPI 1497134472
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-30.