Gianna Krystal Flaaten
NP-C | Nurse Practitioner
20401 Santa Maria Ave, Castro Valley
California, 94546-5609
510-216-1086
Gianna Krystal Flaaten is a Castro Valley, California based nurse practitioner who is specialized as Nurse Practitioner. Active license number of Gianna Krystal Flaaten is 95020792 for Nurse Practitioner in California. Her current practice location is 20401 Santa Maria Ave, Castro Valley. Patients can reach her at 510-216-1086. Gianna Krystal Flaaten is NP-C with specialization in Nurse Practitioner and her NPI number (Unique professional ID assigned by NPPES) is 1275241119.
Gianna Krystal Flaaten has completed additional training beyond basic nursing education and provides primary health care services in accordance with state nurse practice laws or statutes. NPs are trained to assess patient needs, order and interpret diagnostic and laboratory tests, diagnose disease, formulate and prescribe medications and treatment plans.
Complete Profile:
Gianna Krystal Flaaten speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Gianna Krystal Flaaten |
| Specialization: | Nurse Practitioner (NP) |
| Gender: | Female |
| Credentials: | NP-C |
| Practice Address: | 20401 Santa Maria Ave, Castro Valley,
California, 94546-5609 |
| Phone: | 510-216-1086 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1275241119 |
| NPI Enumeration Date: | 09 Nov, 2022 |
| NPI Last Update On: | 14 Mar, 2026 |
Medical Licenses:
NPs can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Gianna Krystal Flaaten are as mentioned below.
| License Number | Specialization | State | Status | |
| 95020792 | Nurse Practitioner | California | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Gianna Krystal Flaaten
4132 Krolop Rd,
Castro Valley, California |
| Zip: | 94546-1220 |
| Phone Number: | 408-515-3212 |
Patients can reach Gianna Krystal Flaaten at
20401 Santa Maria Ave, Castro Valley, California or can
call to book an appointment on 510-216-1086.
Comments/ Reviews:
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 July, 2026.