Anna E. Knackstedt, P.A.
NPI 1821424219ActiveIndividual· Physician Assistant, Medical· Albuquerque, NM
Physician Assistant, Medical (P.A.) with Presbyterian Healthcare Services, practicing in Albuquerque, New Mexico. Their prescriptions cost Medicare Part D more than their services did: $264,136 for 2,328 claims, against $20,033 paid for services in 2024. Calyxo, Inc. was the largest of 9 companies reporting payments in 2025, $533.88 in all, mostly food and beverage. Lists Presbyterian Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1821424219 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Sep 18, 2013 |
| Last updated in NPPES | May 22, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | — |
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 (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 260 |
|---|---|
| Services billed | 407 across 16 procedure codes |
| Paid by Medicare | $20,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,328 · 4,956 30-day fills |
|---|---|
| Patients | 566 |
| Total drug cost | $264,136 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Presbyterian Healthcare ServicesAlbuquerque, NM · 1,395 clinicians
Hospital affiliations
- Presbyterian HospitalAlbuquerque, NM
- Unm HospitalAlbuquerque, NM
Industry payments (Open Payments)
- 2025$533.88 · 17 payments from 9 companies
- 2024$328.49 · 14 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calyxo, Inc. | $301.31 | 7 |
| 180 Medical, Inc. | $55.11 | 2 |
| Pfizer Inc. | $42.60 | 2 |
| Janssen Scientific Affairs, LLC | $34.48 | 1 |
| Endo USA, Inc. | $22.54 | 1 |
What the 2025 payments were for
- Food and Beverage$533.88 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 143 physician assistants in Albuquerque · All physician assistants in New Mexico