Michael B. Lambert, MD
NPI 1598769549ActiveIndividual· Internal Medicine, Nephrology· Shawnee, KS
Internal Medicine, Nephrology (MD) in Shawnee, Kansas, trained at University of Oklahoma College of Medicine (class of 1985). 646 Medicare patients in 2024, $214,809 paid; nearly all of their 1,787 Part D prescriptions were generic (93%). Novartis Pharmaceuticals Corporation was the largest of 5 companies reporting payments in 2025, $119.59 in all, mostly food and beverage.
Overview
| NPI | 1598769549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 8, 2005 |
| Last updated in NPPES | May 15, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 04-23568 | KS |
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 - Nephrology (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 646 |
|---|---|
| Services billed | 1,950 across 19 procedure codes |
| Paid by Medicare | $214,809 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,787 · 3,922 30-day fills |
|---|---|
| Patients | 294 |
| Total drug cost | $124,938 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Nephrology |
Medical group
- Nephrology Associates MD PAOlathe, KS · 20 clinicians
Hospital affiliations
- Adventhealth Shawnee MissionShawnee Mission, KS
- Adventhealth South Overland Park, IncOverland Park, KS
- Providence Medical CenterKansas City, KS
- Saint Luke's South HospitalOverland Park, KS
- St Lukes Hospital of Kansas CityKansas City, MO
Other facilities
- Davita Johnson County DialysisDialysis facility · Lenexa, KS
- Davita Wyandotte County DialysisDialysis facility · Kansas City, KS
Industry payments (Open Payments)
- 2025$119.59 · 6 payments from 5 companies
- 2024$135.79 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $47.76 | 2 |
| Glaxosmithkline, LLC. | $20.58 | 1 |
| Fresenius USA Marketing, Inc. | $18.11 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $17.94 | 1 |
| Calliditas Therapeutics US Inc. | $15.20 | 1 |
What the 2025 payments were for
- Food and Beverage$119.59 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Shawnee
- 1134123185
- 1154372324