Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Stephen R Bienz, MD
Rheumatology Physician in Nampa, ID · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851381834
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Registry record
Entity type Individual (Type 1)
Name Stephen R Bienz
Credential MD
Sex Male
Practice address 4400 E Flamingo Ave, Nampa, ID, 83687
Phone (208) 288-4970
Fax (208) 288-4990
Enumeration date Oct 21, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 1654451205 (UT) Secondary
207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License MD00036459 (WA) Secondary
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 |
|---|---|---|---|
| 000010004875 | Other | ID | BLUE SHIELD |
| J3979 | Other | ID | BLUE CROSS |
| 000010004876 | Other | ID | BLUE SHIELD |
| 38737 | Other | ID | BLUE CROSS |
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
What is the NPI number for Stephen Bienz?
The National Provider Identifier (NPI) for Stephen Bienz is 1851381834, a Type 1 (individual) record in the CMS NPPES registry.
Where does Stephen Bienz practice?
The practice location on file with NPPES is in Nampa, ID. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Kathy Dufur Physical Therapist · Nampa, ID NPI 1265421291 Michelle Bjornson Occupational Therapist · Nampa, ID NPI 1255321246 Warren Miller Dermatology Physician · Nampa, ID NPI 1013906049 Jami Whiles Physical Therapist · Nampa, ID NPI 1558350587 Stacy Harmon Occupational Therapist · Nampa, ID NPI 1831189869 Kenneth Wilhelm Endocrinology, Diabetes & Metabolism Physician · Nampa, ID NPI 1053301416 Mercy Outpatient Surgery Center Ambulatory Surgical Clinic/Center · Nampa, ID NPI 1316995905 Charles Frost Medical Physician Assistant · Nampa, ID NPI 1760425730
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.