What is Diego Guillen's NPI number?

Diego Guillen's National Provider Identifier (NPI) is 1336071729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diego Guillen's specialty?

Diego Guillen is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).

Where is Diego Guillen located?

Diego Guillen's practice location on file with NPPES is 4200 Ashe Rd, Bakersfield, CA 93313-2029.

What is Diego Guillen's phone number?

The practice phone number listed in the NPPES registry for Diego Guillen is (661) 831-8331.

Is Diego Guillen's NPI active?

Yes — Diego Guillen's NPI (1336071729) is active in the NPPES registry as of the last update on 2026-06-01.

IndividualActive

Diego Guillen, AUD

NPI 1336071729 · Audiologist · Bakersfield, CA

Diego Guillen, AUD is a Audiologist provider in Bakersfield, CA (NPI 1336071729).

Provider details

NPI number: 1336071729
Entity type: Individual
Primary specialty: AudiologistSpeech, Language and Hearing Service Providers
Credential: AUD
Sex: Male
Sole proprietor: No
License: AU4044 (CA)

Specialties & taxonomies

AudiologistPrimary231H00000XLicense AU4044 (CA)
Speech, Language and Hearing Service Providers

Profile Score

Established profile(52/100 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

4200 Ashe Rd

Bakersfield, CA 93313-2029

Phone: (661) 831-8331

Fax: (661) 398-2141

Street-level locationGet directions

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Mailing address