Kathryn M. Deanzeris, M.D.
NPI 1922056035ActiveIndividual· Internal Medicine· Wellesley, MA
Internal Medicine (M.D.) in Wellesley, Massachusetts, trained at University of Massachusetts Medical School (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $251,569 for 3,036 claims, against $104,449 paid for services in 2024. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $70.39 in all, mostly food and beverage.
Overview
| NPI | 1922056035 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 4, 2006 |
| Last updated in NPPES | Oct 14, 2022 |
| Certified by provider | Oct 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 223611 | MA |
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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 1,641 across 39 procedure codes |
| Paid by Medicare | $104,449 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,036 · 6,567 30-day fills |
|---|---|
| Patients | 201 |
| Total drug cost | $251,569 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- Newton Wellesley Primary Care P CWellesley, MA · 8 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Other facilities
- Good Shepherd Community CareHospice · Newton, MA
Industry payments (Open Payments)
- 2025$70.39 · 3 payments from 3 companies
- 2024$53.08 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $29.73 | 1 |
| Exact Sciences Corporation | $23.85 | 1 |
| Pfizer Inc. | $16.81 | 1 |
What the 2025 payments were for
- Food and Beverage$70.39 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 96 internal medicine physicians in Wellesley · All internal medicine physicians in Massachusetts