Monica Argumaniz, M.S., CCC-SLP
Monica Argumaniz, M.S., CCC-SLP is a provider specialising in Speech-Language Pathologist in Hesperia, CA, registered under NPI 1003105123. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
Here is what surrounds this office in Hesperia, based on OpenStreetMap data collected Sep 5, 2026. No dedicated parking is recorded within walking distance, so allow extra time to find street parking. The nearest transit stop is 778 ft away, served by Bear Valley Rd WB & 11th Ave.
Getting here and what is nearby
Transit Bear Valley Rd WB & 9th Ave 538 ft ~3 min
Transit Bear Valley Rd EB & 9th Ave 775 ft ~3 min
Transit Bear Valley Rd WB & 11th Ave 778 ft ~3 min
Convenience Hesperia Gas & Mart 0.34 mi ~7 min
15515 Bear Valley Road, Hesperia 92345
Convenience ampm 0.35 mi ~8 min
Gas station Arco 0.35 mi ~8 min
Gas station Pemex 0.36 mi ~8 min
Restaurant Dairy Queen 0.39 mi ~8 min
15481 Bear Valley Road, Hesperia 92345
Restaurant Rosa Maria's Mexican Food 0.41 mi ~9 min
15471 Bear Valley Road, Hesperia 92345
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 40402 | CA | Speech-Language Pathologist primary |
This provider holds licence 40402 issued in CA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Speech-Language Pathologist covers
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing. NUCC Health Care Provider Taxonomy, code 235Z00000X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 171R00000X | Interpreter | — | — | |
| 235Z00000X | Speech-Language Pathologist | 40402 | CA | primary |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003105123 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Mar 29, 2011 |
| Last updated | Sep 30, 2025 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Credential | M.S., CCC-SLP |
| Practice address |
16785 BEAR VALLEY RD #2 Hesperia, CA 92345 (760) 948-0702 |
| Mailing address |
12407 ASPENVIEW CIR Victorville, CA 92392 |
| Other identifiers |
0197503
· Other (CA) 14509695 · Other (CA) 40402 · Other (CA) |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 1 | 0 | 5 | 1 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 2 | 0 | 1 | 1 | 4 |
Sum = 37 · next multiple of 10 = 40 · check digit = 3 · actual last digit = 3
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.