Hilary Diefenbach, MA, CCC-SLP, CBIS
NPI 1669976940 · Speech-Language Pathologist · Aurora, CO
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hilary Diefenbach, MA, CCC-SLP, CBIS is a Speech-Language Pathologist provider in Aurora, CO (NPI 1669976940).
Provider details
- NPI number
- 1669976940
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MA, CCC-SLP, CBIS
- Sex
- Female
- Sole proprietor
- No
- License
- 41YS00862000 (NJ)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2018-03-21
- Last updated
- 2018-05-10
Frequently asked questions
- What is Hilary Diefenbach's NPI number?
- Hilary Diefenbach's National Provider Identifier (NPI) is 1669976940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hilary Diefenbach's specialty?
- Hilary Diefenbach is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Hilary Diefenbach located?
- Hilary Diefenbach's practice location on file with NPPES is 12348 E Montview Blvd, Aurora, CO 80045-7103.
- What is Hilary Diefenbach's phone number?
- The practice phone number listed in the NPPES registry for Hilary Diefenbach is (303) 724-3116.
- Does Hilary Diefenbach accept Medicare?
- Hilary Diefenbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hilary Diefenbach's NPI active?
- Yes — Hilary Diefenbach's NPI (1669976940) is active in the NPPES registry as of the last update on 2018-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.