Andrea Marisa Stallings, MS PAC
NPI 1972595478ActiveIndividual· Physician Assistant· La Mesa, CA
Physician Assistant (MS PAC) with Regents of the University of California, practicing in La Mesa, California. Their prescriptions cost Medicare Part D more than their services did: $1,084,953 for 1,665 claims, against $31,554 paid for services in 2024. Tandem Diabetes Care, Inc. was the largest of 4 companies reporting payments in 2025, $86.02 in all, mostly food and beverage. Lists Uc San Diego Health Hillcrest - Hillcrest Med Ctr as a hospital affiliation.
Overview
| NPI | 1972595478 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MS PAC |
| Sole proprietor | No |
| NPI issued | Aug 19, 2005 |
| Last updated in NPPES | Oct 23, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA16540 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 383 across 11 procedure codes |
| Paid by Medicare | $31,554 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,665 · 3,114 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $1,084,953 |
| Generic share | 14% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliation
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$86.02 · 4 payments from 4 companies
- 2024$226.19 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tandem Diabetes Care, Inc. | $26.12 | 1 |
| Abbott Laboratories | $25.50 | 1 |
| Dexcom, Inc. | $18.61 | 1 |
| Xeris Pharmaceuticals, Inc. | $15.79 | 1 |
What the 2025 payments were for
- Food and Beverage$86.02 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in La Mesa
- 1255738159
- 1174073886
- 1679827117
- 1356027007
- 1063421386
- 1447358908
- 1992181457
- 1942874052
- 1164664306
- 1538317110
- 1881165405
- 1255737847