Katrina Lake, MD
NPI 1679866305ActiveIndividual· Obstetrics & Gynecology· Olympia Fields, IL
Obstetrics & Gynecology (MD) with Specialty Physicians of Illinois LLC and 1 other group, practicing in Olympia Fields, Illinois. Their prescriptions cost Medicare Part D more than their services did: $37,722 for 444 claims, against $13,957 paid for services in 2024. Astellas Pharma US Inc was the largest of 9 companies reporting payments in 2025, $8,688 in all, mostly speaking and faculty fees. Lists Franciscan Health Olympia & Chicago Heights as a hospital affiliation.
Overview
| NPI | 1679866305 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 27, 2011 |
| Last updated in NPPES | Oct 25, 2021 |
| Certified by provider | Oct 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036141229 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Obstetrics/Gynecology (IL); Practitioner - Obstetrics/Gynecology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 275 across 16 procedure codes |
| Paid by Medicare | $13,957 |
Part D prescriptions in 2024
| Prescriptions (claims) | 444 · 819 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $37,722 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
| Secondary specialties | Hospitalist |
| Telehealth | Offers telehealth |
Medical groups
- Specialty Physicians of Illinois LLCOlympia Fields, IL · 102 clinicians
- Obhg Illinois SCCarbondale, IL · 25 clinicians
Hospital affiliation
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL
Industry payments (Open Payments)
- 2025$8,688 · 30 payments from 9 companies
- 2024$3,642 · 21 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $8,331 | 16 |
| Organon LLC | $88.28 | 1 |
| Lilly USA, LLC | $56.35 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $49.20 | 2 |
| Sumitomo Pharma America, Inc. | $46.30 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,800 · 5 payments
- Food and Beverage$637.12 · 23 payments
- Travel and Lodging$250.60 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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