Lukena Ulhas Karkhanis, M.D.
NPI 1700198165ActiveIndividual· Allergy & Immunology· San Antonio, TX
Allergy & Immunology (M.D.) with Allergy Asthma and Immunology Associates of South Texas, P.A., practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $861,510 for 1,912 claims, against $525,333 paid for services in 2024. Genzyme Corporation was the largest of 32 companies reporting payments in 2025, $89,940 in all, mostly speaking and faculty fees.
Overview
| NPI | 1700198165 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 13, 2010 |
| Last updated in NPPES | Jul 28, 2026 |
| Certified by provider | Jul 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | Q2314 | TX |
| Allergy & Immunology | 207K00000X | 2012016167 | MO |
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 - Allergy/Immunology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 20,374 across 35 procedure codes |
| Paid by Medicare | $525,333 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,912 · 3,134 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $861,510 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Medical group
- Allergy Asthma and Immunology Associates of South Texas, P.A.San Antonio, TX · 6 clinicians
Industry payments (Open Payments)
- 2025$89,940 · 338 payments from 32 companies
- 2024$66,490 · 280 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $32,382 | 32 |
| Takeda Pharmaceuticals U.S.A., Inc. | $21,385 | 38 |
| Regeneron Healthcare Solutions, Inc. | $11,234 | 14 |
| Novartis Pharmaceuticals Corporation | $7,616 | 30 |
| Csl Behring | $6,588 | 24 |
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$56,358 · 17 payments
- Travel and Lodging$12,089 · 25 payments
- Consulting Fee$11,747 · 4 payments
- Food and Beverage$9,713 · 291 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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