What is Rehan Siddique's NPI number?

Rehan Siddique's National Provider Identifier (NPI) is 1811853047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Rehan Siddique's specialty?

Rehan Siddique is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Rehan Siddique located?

Rehan Siddique's practice location on file with NPPES is 2050 Fairmont Dr, Castro Valley, CA 94578-1001.

What is Rehan Siddique's phone number?

The practice phone number listed in the NPPES registry for Rehan Siddique is (510) 895-5502.

Is Rehan Siddique's NPI active?

Yes — Rehan Siddique's NPI (1811853047) is active in the NPPES registry as of the last update on 2025-12-31.

IndividualActive

Rehan Siddique

NPI 1811853047 · Registered Nurse · Castro Valley, CA

Rehan Siddique is a Registered Nurse provider in Castro Valley, CA (NPI 1811853047).

Provider details

NPI number: 1811853047
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Male
Sole proprietor: No
License: 95306792 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 95306792 (CA)
Nursing Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2050 Fairmont Dr

Castro Valley, CA 94578-1001

Phone: (510) 895-5502

Street-level locationGet directions

More CA providers

Mailing address