Mariah Horvath, MMS
NPI 1326599192 · Medical Physician Assistant · La Jolla, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariah Horvath, MMS is a Medical Physician Assistant provider in La Jolla, CA (NPI 1326599192).
Provider details
- NPI number
- 1326599192
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MMS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 53911 (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
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,002 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 631 | $116 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 171 | $7 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 73 | $161 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 60 | $195 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 53 | $14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 75 | 37 |
| Amlodipine Besylate | 56 | 25 |
| Rosuvastatin Calcium | 55 | 22 |
| Ezetimibe | 51 | 22 |
| Losartan Potassium | 39 | 20 |
| Furosemide | 34 | 17 |
| Apixabanbrand: Eliquis | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$183 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
Registry dates
- Enumerated
- 2016-10-17
- Last updated
- 2024-01-09
- Certified
- 2024-01-09
Frequently asked questions
- What is Mariah Horvath's NPI number?
- Mariah Horvath's National Provider Identifier (NPI) is 1326599192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariah Horvath's specialty?
- Mariah Horvath is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariah Horvath located?
- Mariah Horvath's practice location on file with NPPES is 10666 N Torrey Pines Rd, La Jolla, CA 92037-1027.
- What is Mariah Horvath's phone number?
- The practice phone number listed in the NPPES registry for Mariah Horvath is (858) 554-7797.
- Does Mariah Horvath accept Medicare?
- Mariah Horvath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariah Horvath's NPI active?
- Yes — Mariah Horvath's NPI (1326599192) is active in the NPPES registry as of the last update on 2024-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.