Alyssa Ballesteros, PA-C
NPI 1821680398 · Physician Assistant · Chula Vista, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Ballesteros, PA-C is a Physician Assistant provider in Chula Vista, CA (NPI 1821680398).
Provider details
- NPI number
- 1821680398
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 39 | 38 |
| Ibuprofen | 31 | 28 |
| Prednisone | 24 | 21 |
| Cephalexin | 23 | 22 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 21 |
| Azithromycin | 18 | 18 |
| Doxycycline Monohydrate | 16 | 14 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$312 across 17 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
- 2021-02-06
- Last updated
- 2023-07-13
- Certified
- 2023-07-13
Frequently asked questions
- What is Alyssa Ballesteros's NPI number?
- Alyssa Ballesteros's National Provider Identifier (NPI) is 1821680398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Ballesteros's specialty?
- Alyssa Ballesteros is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alyssa Ballesteros located?
- Alyssa Ballesteros's practice location on file with NPPES is 480 Fourth Ave Ste 206, Chula Vista, CA 91910-4412.
- What is Alyssa Ballesteros's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Ballesteros is (619) 427-3361.
- Does Alyssa Ballesteros accept Medicare?
- Alyssa Ballesteros is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Ballesteros's NPI active?
- Yes — Alyssa Ballesteros's NPI (1821680398) is active in the NPPES registry as of the last update on 2023-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.