Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Stephanie Ortiz Altamirano
Behavior Technician in Petaluma, CA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801489695
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Registry record
Entity type Individual (Type 1)
Name Stephanie Ortiz Altamirano
Sex Female
Practice address 1425 N Mcdowell Blvd Ste 206, Petaluma, CA, 94954
Phone (855) 223-7123
Enumeration date Feb 12, 2021
Last updated in NPPES Feb 12, 2021
Taxonomy & licenses
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Stephanie Ortiz Altamirano?
Stephanie Ortiz Altamirano is registered in NPPES with the primary taxonomy of Behavior Technician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Alyssa Collins Behavior Analyst · Petaluma, CA NPI 1194116400 Eric Borchardt Behavior Analyst · Petaluma, CA NPI 1265964175 Rebecca Branch Behavior Analyst · Petaluma, CA NPI 1710533294 Violet Esquivel Behavior Technician · Petaluma, CA NPI 1417556192 Riley Spindler Behavior Technician · Petaluma, CA NPI 1669062436 Mykal Emanuels Behavior Technician · Petaluma, CA NPI 1194318089 Raelene Villa Behavior Technician · Petaluma, CA NPI 1518550540 Britnay Salsman Behavior Technician · Petaluma, CA NPI 1508450081
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-12.