Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. SIDNEY PETERSEN RN
NPI 1831008853
Registered Nurse in Oakland, CA

Active since September 04, 2026
525 21ST ST, OAKLAND, CA 94612(415) 218-6752 Get Directions Write a Review

NPPES record added: September 4, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Mr. Sidney Petersen Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. SIDNEY PETERSEN RN (NPI 1831008853) is an individual registered nurse in Oakland, California, licensed in Florida (RN9356878) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1831008853
Entity TypeIndividualMale
Primary Taxonomy163W00000X
Provider Legal NameMR. SIDNEY PETERSENCredential: RN
Location Address525 21ST STOakland, CA 94612-1605
Mailing Address525 21st StOakland, CA 94612-1605 · (510) 587-3413
Sole ProprietorNo
Enumeration DateSeptember 4, 2026
NPPES CertifiedSeptember 4, 2026
NPI 1831008853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
Licenses Licensed in FL · RN9356878 Licensed in CA · 95091999
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
525 21ST ST, Oakland, CA 94612

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Peer Specialist
525 21ST ST
OAKLAND, CA 94612
Social Worker
525 21ST ST
OAKLAND, CA 94612
Licensed Vocational Nurse
525 21ST ST
OAKLAND, CA 94612
Social Worker (Clinical)
525 21ST ST
OAKLAND, CA 94612
Registered Nurse
525 21ST ST
OAKLAND, CA 94612
Psychiatry & Neurology (Psychiatry)
525 21ST ST
OAKLAND, CA 94612
Social Worker (Clinical)
525 21ST ST
OAKLAND, CA 94612
Psychologist (Clinical)
525 21ST ST, DEPARTMENT OF VETERAN AFFAIRS
OAKLAND, CA 94612

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sidney Petersen's NPI number?

The NPI number for Sidney Petersen is 1831008853. It was assigned to this individual provider in the NPPES registry on September 4, 2026.

Where is Sidney Petersen located?

Sidney Petersen practices at 525 21st St, Oakland, CA 94612. The listed phone number is (415) 218-6752.

What is Sidney Petersen's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Sidney Petersen was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.