Yoko Momoyama, MD
NPI 1801863253ActiveIndividual· Internal Medicine· Lombard, IL
Internal Medicine (MD) in Lombard, Illinois, trained at New York Medical College (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $1,131,594 for 13,779 claims, against $201,205 paid for services in 2024. Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $426.10 in all, mostly food and beverage.
Overview
| NPI | 1801863253 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 3, 2006 |
| Last updated in NPPES | Aug 16, 2023 |
| Certified by provider | Aug 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036104066 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 392 |
|---|---|
| Services billed | 5,428 across 125 procedure codes |
| Paid by Medicare | $201,205 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,779 · 28,382 30-day fills |
|---|---|
| Patients | 679 |
| Total drug cost | $1,131,594 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
- Dynamic Physical Therapy, Inc.Oak Park, IL · 43 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Elmhurst Memorial HospitalElmhurst, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
- First Venture Home Health Care, IncHome health agency · Arlington Heights, IL
- Residential Home HealthHome health agency · Lisle, IL
- Serenity One Hospice and Palliative Care LLCHospice · Lombard, IL
- Beacon HillNursing home · Lombard, IL
Industry payments (Open Payments)
- 2025$426.10 · 11 payments from 5 companies
- 2024$1,615 · 29 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $178.16 | 3 |
| Astrazeneca Pharmaceuticals LP | $145.52 | 3 |
| Abbvie Inc. | $56.65 | 3 |
| Pfizer Inc. | $24.85 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $20.92 | 1 |
What the 2025 payments were for
- Food and Beverage$336.19 · 10 payments
- Travel and Lodging$89.91 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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