Sandee San Mateo, PMHNP
NPI 1609543909 · Psychiatric/Mental Health Nurse Practitioner · Chula Vista, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandee San Mateo, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Chula Vista, CA (NPI 1609543909).
Provider details
- NPI number
- 1609543909
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95018142 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,078 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 362 | $55 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 355 | $136 |
| Psychiatric Services Complicated By Communication Factor90785 | 162 | $11 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 134 | $147 |
| Psychiatric Diagnostic Evaluation90791 | 27 | $128 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 22 | $96 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 50 | 12 |
| Escitalopram Oxalate | 37 | — |
| Lamotrigine | 28 | — |
| Aripiprazole | 27 | — |
| Trazodone Hcl | 25 | — |
| Mirtazapine | 24 | — |
| Olanzapine | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$253 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 374 H St Ste 201Chula Vista, CA 91910-5547Phone: (619) 510-8480
- 5565 Grossmont Center Dr Ste 229La Mesa, CA 91942-3026Phone: (858) 342-4572
- 5358 Jackson Dr Ste 1La Mesa, CA 91942-3040Phone: (858) 616-7039
- 8770 Cuyamaca St Ste 4Santee, CA 92071-4289Phone: (619) 596-9890
Registry dates
- Enumerated
- 2021-08-24
- Last updated
- 2023-05-09
- Certified
- 2023-05-09
Frequently asked questions
- What is Sandee San Mateo's NPI number?
- Sandee San Mateo's National Provider Identifier (NPI) is 1609543909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandee San Mateo's specialty?
- Sandee San Mateo is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandee San Mateo located?
- Sandee San Mateo's practice location on file with NPPES is 894 Camino Cantera, Chula Vista, CA 91913-3332.
- What is Sandee San Mateo's phone number?
- The practice phone number listed in the NPPES registry for Sandee San Mateo is (619) 306-3920.
- Does Sandee San Mateo accept Medicare?
- Sandee San Mateo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandee San Mateo's NPI active?
- Yes — Sandee San Mateo's NPI (1609543909) is active in the NPPES registry as of the last update on 2023-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.