Daniel Christopher Mascarenhas
NPI 1689170151ActiveIndividual· Orthopaedic Surgery· Waltham, MA
Orthopaedic Surgery in Waltham, Massachusetts, trained at University of Maryland School of Medicine (class of 2013). 101 Medicare patients in 2024, $25,093 paid; nearly all of their 111 Part D prescriptions were generic (97%). Zimmer Biomet Holdings, Inc. was the largest of 8 companies reporting payments in 2025, $5,517 in all, mostly travel and lodging.
Overview
| NPI | 1689170151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 3, 2018 |
| Last updated in NPPES | Sep 26, 2024 |
| Certified by provider | Sep 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 1019869 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 373 across 26 procedure codes |
| Paid by Medicare | $25,093 |
Part D prescriptions in 2024
| Prescriptions (claims) | 111 · 115 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $928.34 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- Boston Orthopaedic and Spine LLCBrighton, MA · 19 clinicians
Hospital affiliations
- Emerson Hospital -W Concord, MA
- Mount Auburn HospitalCambridge, MA
- New England Baptist HospitalBoston, MA
Other facilities
- All Care Vna-Greater Lynn IncHome health agency · Lynn, MA
- Beth Israel Lahey Health at HomeHome health agency · Beverly, MA
- CaretendersHome health agency · Needham Heights, MA
- Croi HealthHome health agency · Norwell, MA
- Vna Care NetworkHome health agency · Worcester, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
- Spaulding Rehabilitation Hospital - Cape CodInpatient rehabilitation facility · East Sandwich, MA
Industry payments (Open Payments)
- 2025$5,517 · 37 payments from 8 companies
- 2024$9,689 · 25 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $2,887 | 10 |
| Medacta USA, Inc. | $1,578 | 12 |
| Stryker Corporation | $785.67 | 9 |
| Total Joint Orthopedics, Inc. | $105.63 | 2 |
| Pacira Pharmaceuticals Incorporated | $62.47 | 1 |
What the 2025 payments were for
- Travel and Lodging$3,400 · 13 payments
- Food and Beverage$2,117 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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