Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mija Berg, NP
Nurse Practitioner in Vallejo, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225123243
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Registry record
Entity type Individual (Type 1)
Name Mija Berg
Credential NP
Sex Female
Practice address 243 Georgia Street, Suite B, Vallejo, CA, 94590
Phone (707) 556-8100
Fax (707) 556-8107
Enumeration date Oct 4, 2006
Last updated in NPPES Dec 13, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NP479996 (CA) 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 |
|---|---|---|---|
| FHC70543G | Medicaid | CA | - |
| HAP70543G | Other | CA | FPACT |
| 55-1915 | Other | CA | FQHC MEDICARE PART A |
| ZZZ23222Z | Other | CA | FQHC MEDICARE PART B |
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 Mija Berg practice?
The practice location on file with NPPES is in Vallejo, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mija Berg?
The National Provider Identifier (NPI) for Mija Berg is 1225123243, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-13.