Imran Sajjad, MD
NPI 1942255849ActiveIndividual· Internal Medicine, Nephrology· Waukesha, WI
Internal Medicine, Nephrology (MD) with Nephrology Associates SC, practicing in Waukesha, Wisconsin. 828 Medicare patients in 2024, $310,628 paid; nearly all of their 5,064 Part D prescriptions were generic (94%). Amgen Inc. was the largest of 6 companies reporting payments in 2025, $321.52 in all, mostly food and beverage. Lists Aspirus Wausau Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1942255849 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2006 |
| Last updated in NPPES | Jun 10, 2020 |
| Certified by provider | Jun 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 49181-020 | WI |
| Internal Medicine | 207R00000X | 49181-20 | WI |
| Hospitalist | 208M00000X | 49181-20 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 828 |
|---|---|
| Services billed | 12,057 across 28 procedure codes |
| Paid by Medicare | $310,628 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,064 · 12,419 30-day fills |
|---|---|
| Patients | 876 |
| Total drug cost | $368,147 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates SCWaukesha, WI · 8 clinicians
Hospital affiliations
- Aspirus Wausau HospitalWausau, WI
- Oconomowoc Memorial HospitalOconomowoc, WI
- Waukesha Memorial HospitalWaukesha, WI
Other facilities
- Davita Janesville DialysisDialysis facility · Janesville, WI
- Davita Lake Country Dialysis (Pd)Dialysis facility · Delafield, WI
- Davita Lake Geneva DialysisDialysis facility · Lake Geneva, WI
- Davita Mukwonago DialysisDialysis facility · Mukwonago, WI
- Davita Spring City DialysisDialysis facility · Waukesha, WI
- Pam Health Rehabilitation Hospital of WausauInpatient rehabilitation facility · Wausau, WI
- Rehabilitation Hospital of WisconsinInpatient rehabilitation facility · Waukesha, WI
Industry payments (Open Payments)
- 2025$321.52 · 11 payments from 6 companies
- 2024$443.50 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $189.66 | 4 |
| Opko Pharmaceuticals, LLC | $49.19 | 3 |
| Astrazeneca Pharmaceuticals LP | $26.07 | 1 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $24.72 | 1 |
| Calliditas Therapeutics US Inc. | $21.25 | 1 |
What the 2025 payments were for
- Food and Beverage$272.33 · 8 payments
- Education$49.19 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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