Whitney Mah
Speech-Language Pathologist · Fontana, CA
Whitney Mah is a speech-language pathologist with a practice address in Fontana, California, and NPI 1023629979, issued on Aug 13, 2020. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Whitney Mah
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-5000
- Enumerated
- Aug 13, 2020
- Record last updated
- Jul 25, 2022
- Medicare enrollment
- Enrolled (PECOS I20220804002468); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 13,141 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Solomon Abila, MDFamily Medicine Physician1871652479
- Jenny Abouelsood, M.D.Family Medicine Physician1457638512
- Marla Abrolat, MDPediatrics Physician1164593133
- Eduardo Acosta, MDPediatrics Physician1497803324
- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Whitney Mah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Southern California Permanente Medical GroupWoodland Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Whitney Mah among 13,141 speech-language pathologist records in California
Whitney Mah is one of 13,141 speech-language pathologist records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 52% of them.
- NPI issued2020 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated2021 · median 2017 among the 573 with a school on file
- Record last updated2022 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Speech-Language Pathologist providers in California
There are 13,141 speech-language pathologist records in California.
All 13,141 in California → Every provider in Fontana → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Celestine Coscia, MS, CF-SLPFontana, CA 923351215494091
- Tamara ElhajFontana, CA 923351215477617
- Dorothy HaasFontana, CA 923351457574071
- Samantha OzbournFontana, CA 923351942672134
- Carrie PoptelecanFontana, CA 923351154544773
- Miriam RomanFontana, CA 923351386429108
- Viera Striez, SPFontana, CA 923351174727218
- Katelyn BouchardFontana, CA 923361598495137
Common questions
What is Whitney Mah's NPI number?
Whitney Mah's National Provider Identifier (NPI) is 1023629979, issued on Aug 13, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Whitney Mah located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5000. Providers update this record themselves, so call before visiting.
How can I verify Whitney Mah's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.