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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

SIERRA SINGLETON
NPI 1083535454
Counselor - Professional in San Diego, CA

Active since July 22, 2026
4283 EL CAJON BLVD STE 200, SAN DIEGO, CA 92105(619) 530-0122 Get Directions Write a Review

NPPES record added: July 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Sierra Singleton NPPES

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

SIERRA SINGLETON (NPI 1083535454) is an individual professional provider in San Diego, California and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1083535454
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameSIERRA SINGLETON
Location Address4283 EL CAJON BLVD STE 200San Diego, CA 92105-1289
Mailing Address4283 El Cajon Blvd Ste 200San Diego, CA 92105-1289 · (619) 530-0122
Phone(619) 530-0122
Sole ProprietorNo
Enumeration DateJuly 22, 2026
NPPES CertifiedJuly 17, 2026
✔ NPI 1083535454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
4283 EL CAJON BLVD STE 200, San Diego, CA 92105
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Other Providers at the Same Location NPPES 10

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

DANIELA MIRELES
Counselor (Mental Health)
4283 EL CAJON BLVD STE 200
SAN DIEGO, CA 92105
San Diego County (619) 530-0122
MADISON SERPICO
Counselor (Mental Health)
4283 EL CAJON BLVD STE 200
SAN DIEGO, CA 92105
San Diego County (619) 530-0122
MS. REBECCA KOO LMFT
Marriage & Family Therapist
4283 EL CAJON BLVD STE 200
SAN DIEGO, CA 92105
San Diego County (619) 537-6396
ZOE NAVARRO
Counselor (Mental Health)
4283 EL CAJON BLVD STE 200
SAN DIEGO, CA 92105
San Diego County (619) 530-0122
PAOLA SOFIA DAHER SOLIS
Counselor (Mental Health)
4283 EL CAJON BLVD STE 200
SAN DIEGO, CA 92105
San Diego County (619) 530-0122
RYAN WARMERDAM
Counselor (Mental Health)
4283 EL CAJON BLVD STE 200
SAN DIEGO, CA 92105
San Diego County (619) 594-2002
KATHERINE ROTENKOLBER
Counselor (Mental Health)
4283 EL CAJON BLVD STE 200
SAN DIEGO, CA 92105
San Diego County (619) 530-0122
ELISE ROGERS APCC
Counselor (Mental Health)
4283 EL CAJON BLVD STE 200
SAN DIEGO, CA 92105
San Diego County (619) 530-0122

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 Sierra Singleton's NPI number?

The NPI number for Sierra Singleton is 1083535454. It was assigned to this individual provider in the NPPES registry on July 22, 2026.

Where is Sierra Singleton located?

Sierra Singleton practices at 4283 El Cajon Blvd Ste 200, San Diego, CA 92105. The listed phone number is (619) 530-0122.

What is Sierra Singleton's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Sierra Singleton was last updated on July 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.