Whitney Mah
NPI 1023629979 · Speech-Language Pathologist · Fontana, CA
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Whitney Mah is a Speech-Language Pathologist provider in Fontana, CA (NPI 1023629979).
Provider details
- NPI number
- 1023629979
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
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
5 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
- 2020-08-13
- Last updated
- 2022-07-25
- Certified
- 2020-08-13
Frequently asked questions
- What is Whitney Mah's NPI number?
- Whitney Mah's National Provider Identifier (NPI) is 1023629979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Whitney Mah's specialty?
- Whitney Mah is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Whitney Mah located?
- Whitney Mah's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Whitney Mah's phone number?
- The practice phone number listed in the NPPES registry for Whitney Mah is (909) 427-5000.
- Does Whitney Mah accept Medicare?
- Whitney Mah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Whitney Mah's NPI active?
- Yes — Whitney Mah's NPI (1023629979) is active in the NPPES registry as of the last update on 2022-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.