Michael Angelo Tan, MD
NPI 1669499208ActiveIndividual· Internal Medicine· Morristown, TN
Internal Medicine (MD) in Morristown, Tennessee, trained at University College of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,101,414 for 20,468 claims, against $76,765 paid for services in 2024. Ucb, Inc. was the largest of 7 companies reporting payments in 2025, $244.06 in all, mostly food and beverage.
Overview
| NPI | 1669499208 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | May 27, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 33933 | 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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 302 |
|---|---|
| Services billed | 1,252 across 19 procedure codes |
| Paid by Medicare | $76,765 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20,468 · 26,649 30-day fills |
|---|---|
| Patients | 642 |
| Total drug cost | $1,101,414 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University College of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
Medical groups
- Champion Physical Therapy LLC HallsJohnson City, TN · 281 clinicians
- Volunteer Healthcare Services, Inc.Morristown, TN · 91 clinicians
Hospital affiliation
- Morristown Hamblen Hospital AssociationMorristown, TN
Other facilities
- Amedisys Home Health CareHome health agency · Morristown, TN
- Smoky Mountain Home Health and Hospice, I N CHospice · Newport, TN
- Life Care Center of MorristownNursing home · Morristown, TN
- The Heritage CenterNursing home · Morristown, TN
Industry payments (Open Payments)
- 2025$244.06 · 10 payments from 7 companies
- 2024$347.17 · 7 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $107.47 | 3 |
| Paratek Pharmaceuticals, Inc. | $34.62 | 2 |
| Neurocrine Biosciences, Inc. | $26.29 | 1 |
| Otsuka America Pharmaceutical, Inc. | $22.83 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $20.04 | 1 |
What the 2025 payments were for
- Food and Beverage$227.79 · 9 payments
- Education$16.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 internal medicine physicians in Morristown · All internal medicine physicians in Tennessee