Mary Kathryn Massaro, PA-C
NPI 1952793135ActiveIndividual· Physician Assistant, Surgical· Knoxville, TN
Physician Assistant, Surgical (PA-C) with Mobile Hyperbaric Centers, LLC, practicing in Knoxville, Tennessee. 13 Medicare patients in 2024, $1,287 paid; nearly all of their 74 Part D prescriptions were generic (93%). Acera Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $106.87 in all, mostly food and beverage. Lists Parkwest Medical Center as a hospital affiliation.
Overview
| NPI | 1952793135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 25, 2015 |
| Last updated in NPPES | Apr 11, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 2732 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 17 across 6 procedure codes |
| Paid by Medicare | $1,287 |
Part D prescriptions in 2024
| Prescriptions (claims) | 74 · 74 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $373.47 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Mobile Hyperbaric Centers, LLCEuclid, OH · 16 clinicians
Hospital affiliation
- Parkwest Medical CenterKnoxville, TN
Industry payments (Open Payments)
- 2025$106.87 · 5 payments from 3 companies
- 2024$120.74 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acera Surgical, Inc. | $67.83 | 3 |
| Baxter Healthcare | $22.72 | 1 |
| Glaxosmithkline, LLC. | $16.32 | 1 |
What the 2025 payments were for
- Food and Beverage$106.87 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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