Karthik Vadamalai, M.D
NPI 1366881393ActiveIndividual· Internal Medicine, Critical Care Medicine· Houston, TX
Internal Medicine, Critical Care Medicine (M.D) with Ccmma Tx PLLC and 1 other group, practicing in Houston, Texas. Medicare paid $71,684 for services to 256 patients in 2024. Abiomed was the largest of 2 companies reporting payments in 2025, $247.18 in all, mostly travel and lodging. Lists HCA Houston Healthcare Kingwood and 1 other hospital as hospital affiliations.
Overview
| NPI | 1366881393 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jun 24, 2013 |
| Last updated in NPPES | Nov 23, 2022 |
| Certified by provider | Nov 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | T8678 | TX |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 2018034906 | MO |
| Hospitalist | 208M00000X | 284906 | NY |
| 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 - Critical Care (Intensivists) (CA); Practitioner - Internal Medicine (MO); Practitioner - Internal Medicine (PA); Practitioner - Critical Care (Intensivists) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 256 |
|---|---|
| Services billed | 633 across 14 procedure codes |
| Paid by Medicare | $71,684 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Ccmma Tx PLLCPampa, TX · 17 clinicians
- Houston Intensivists PLLCKingwood, TX · 9 clinicians
Hospital affiliations
- HCA Houston Healthcare KingwoodKingwood, TX
- Shasta Regional Medical CenterRedding, CA
Industry payments (Open Payments)
- 2025$247.18 · 2 payments from 2 companies
- 2024$19.43 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $178.18 | 1 |
| Medtronic, Inc. | $69.00 | 1 |
What the 2025 payments were for
- Travel and Lodging$178.18 · 1 payment
- Food and Beverage$69.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 142 critical care physicians in Houston · All critical care physicians in Texas