Tanya Khan
NPI 1427582741ActiveIndividual· Internal Medicine, Gastroenterology· Concord, MA
Internal Medicine, Gastroenterology in Concord, Massachusetts, trained at Perelman School of Med at the University of Pennsylvania (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $132,502 for 272 claims, against $58,051 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 4 companies reporting payments in 2025, $231.83 in all, mostly food and beverage.
Overview
| NPI | 1427582741 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 13, 2017 |
| Last updated in NPPES | Oct 25, 2023 |
| Certified by provider | Oct 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 1014366 | 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 | 259 |
|---|---|
| Services billed | 484 across 31 procedure codes |
| Paid by Medicare | $58,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 272 · 466 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $132,502 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliations
- Beth Israel Deaconess Medical CenterBoston, MA
- Emerson Hospital -W Concord, MA
- Newton-Wellesley HospitalNewton, MA
Industry payments (Open Payments)
- 2025$231.83 · 8 payments from 4 companies
- 2024$1,313 · 43 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $96.87 | 3 |
| Janssen Biotech, Inc. | $59.04 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $45.96 | 2 |
| Abbvie Inc. | $29.96 | 1 |
What the 2025 payments were for
- Food and Beverage$231.83 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Concord
- 1336107309
- 1639250327
- 1053439844