1. Home
  2. Directory
  3. California
  4. Bakersfield
  5. Audiologist
  6. NPI Profile
Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DIEGO CESAR GUILLEN AUD
NPI 1336071729
Audiologist in Bakersfield, CA

Active since June 01, 2026
4200 ASHE RD, BAKERSFIELD, CA 93313(661) 831-8331(661) 398-2141 Get Directions Write a Review

NPPES record added: June 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Diego Cesar Guillen Aud NPPES

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

DIEGO CESAR GUILLEN AUD (NPI 1336071729) is an individual audiologist in Bakersfield, California, licensed in California (AU4044) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1336071729
Entity TypeIndividualMale
Primary Taxonomy231H00000X
Provider Legal NameDIEGO CESAR GUILLENCredential: AUD
Location Address4200 ASHE RDBakersfield, CA 93313-2029
Mailing Address4200 Ashe RdBakersfield, CA 93313-2029 · (661) 831-8331 · Fax (661) 398-2141
Phone(661) 831-8331
Fax(661) 398-2141
Sole ProprietorNo
Enumeration DateJune 1, 2026
NPPES CertifiedJune 1, 2026
✔ NPI 1336071729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in CA · AU4044
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
4200 ASHE RD, Bakersfield, CA 93313
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

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

MRS. ESMERALDA PEREZ RN,PHN
Registered Nurse (School)
4200 ASHE RD
BAKERSFIELD, CA 93313
Kern County (661) 831-8331
JEANNE LOUISE SCORSUR
Speech-Language Pathologist
4200 ASHE RD
BAKERSFIELD, CA 93313
Kern County (661) 831-8331
ROBIN LEDFORD
Speech-Language Pathologist
4200 ASHE RD
BAKERSFIELD, CA 93313
Kern County (661) 831-1906
ARIANA JUSTINE-TIGER HARMON
Registered Nurse (School)
4200 ASHE RD
BAKERSFIELD, CA 93313
Kern County (661) 978-9352
WANDA PIERCE RN
Registered Nurse (School)
4200 ASHE RD
BAKERSFIELD, CA 93313
Kern County (661) 831-1906
REBECCA RUIZ MS CCC-SLP
Speech-Language Pathologist
4200 ASHE RD
BAKERSFIELD, CA 93313
Kern County (661) 831-8331
MARIA SANDOVAL MSW, PPSC
Social Worker (School)
4200 ASHE RD
BAKERSFIELD, CA 93313
Kern County (661) 831-8331
PANAMA-BUENA VISTA UNION SD
Local Education Agency (LEA)
4200 ASHE RD
BAKERSFIELD, CA 93313
Kern County (661) 831-8331

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 Diego Guillen's NPI number?

The NPI number for Diego Guillen is 1336071729. It was assigned to this individual provider in the NPPES registry on June 1, 2026.

Where is Diego Guillen located?

Diego Guillen practices at 4200 Ashe Rd, Bakersfield, CA 93313. The listed phone number is (661) 831-8331.

What is Diego Guillen's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

When was this NPI record last updated?

The NPPES record for Diego Guillen was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.