Mohammad Vaseemuddin, M.D.
NPI 1952453995ActiveIndividual· Internal Medicine· Addison, IL
Internal Medicine (M.D.) with Haris Medical Group LLC, practicing in Addison, Illinois. Their prescriptions cost Medicare Part D more than their services did: $381,319 for 1,482 claims, against $143,483 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 5 companies reporting payments in 2025, $191.46 in all, mostly travel and lodging. Lists Alexian Brothers Medical Center 1 and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1952453995 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 18, 2007 |
| Last updated in NPPES | Nov 26, 2024 |
| Certified by provider | Nov 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-110447 | IL |
| Internal Medicine, Nephrology | 207RN0300X | 036-110447 | IL |
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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 195 |
|---|---|
| Services billed | 1,426 across 26 procedure codes |
| Paid by Medicare | $143,483 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,482 · 3,156 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $381,319 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Internal Medicine, Nephrology |
Medical group
- Haris Medical Group LLCDowners Grove, IL · 2 clinicians
Hospital affiliations
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- Elmhurst Memorial HospitalElmhurst, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Uchicago Medicine Adventhealth HinsdaleHinsdale, IL
- Uchicago Medicine Adventhealth la GrangeLa Grange, IL
Industry payments (Open Payments)
- 2025$191.46 · 7 payments from 5 companies
- 2024$4,777 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $95.94 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $34.87 | 2 |
| Exact Sciences Corporation | $24.85 | 1 |
| Ani Pharmaceuticals, Inc. | $19.13 | 1 |
| Astrazeneca Pharmaceuticals LP | $16.67 | 1 |
What the 2025 payments were for
- Travel and Lodging$95.94 · 2 payments
- Food and Beverage$95.52 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 internal medicine physicians in Addison · All internal medicine physicians in Illinois