Sonja Grabbe, M.S., CCC-SLP
NPI 1770826992 · Speech-Language Pathologist · Castle Rock, CO
Sonja Grabbe, M.S., CCC-SLP is a Speech-Language Pathologist provider in Castle Rock, CO (NPI 1770826992).
Provider details
- NPI number
- 1770826992
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S., CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
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
13 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2013-04-05
- Last updated
- 2024-09-26
- Certified
- 2024-09-26
Frequently asked questions
- What is Sonja Grabbe's NPI number?
- Sonja Grabbe's National Provider Identifier (NPI) is 1770826992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Grabbe's specialty?
- Sonja Grabbe is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Sonja Grabbe located?
- Sonja Grabbe's practice location on file with NPPES is 840 Whispering Oak Dr, Castle Rock, CO 80104-7804.
- What is Sonja Grabbe's phone number?
- The practice phone number listed in the NPPES registry for Sonja Grabbe is (719) 644-1330.
- Is Sonja Grabbe's NPI active?
- Yes — Sonja Grabbe's NPI (1770826992) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.