Annie R. Tan, M..D.
NPI 1134126683ActiveIndividual· Internal Medicine· Avon, OH
Internal Medicine (M..D.) with Cleveland Clinic, practicing in Avon, Ohio. Their prescriptions cost Medicare Part D more than their services did: $394,392 for 5,414 claims, against $39,418 paid for services in 2024. Pfizer Inc. reported $78.70 in payments in 2025, mostly food and beverage. Lists Cleveland Clinic and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1134126683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M..D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2005 |
| Last updated in NPPES | Feb 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35.091239 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 394 |
|---|---|
| Services billed | 1,470 across 15 procedure codes |
| Paid by Medicare | $39,418 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,414 · 11,706 30-day fills |
|---|---|
| Patients | 726 |
| Total drug cost | $394,392 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Cleveland ClinicCleveland, OH · 7,090 clinicians
Hospital affiliations
- Cleveland ClinicCleveland, OH
- Cleveland Clinic Avon HospitalAvon, OH
- Fairview HospitalCleveland, OH
- Lutheran HospitalCleveland, OH
Other facilities
- Cleveland Clinic Home CareHome health agency · Independence, OH
Industry payments (Open Payments)
- 2025$78.70 · 1 payment from 1 company
- 2024$312.95 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $78.70 | 1 |
What the 2025 payments were for
- Food and Beverage$78.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 internal medicine physicians in Avon · All internal medicine physicians in Ohio