Christopher T. R. Parker, DO
NPI 1912961384ActiveIndividual· Internal Medicine, Rheumatology· West Lake Hills, TX
Internal Medicine, Rheumatology (DO) in West Lake Hills, Texas, trained at Kansas City University of Physicians and Surgeons (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $2,755,963 for 2,417 claims, against $1,175,365 paid for services in 2024. Amgen Inc. was the largest of 23 companies reporting payments in 2025, $194,990 in all, mostly speaking and faculty fees.
Overview
| NPI | 1912961384 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 13, 2006 |
| Last updated in NPPES | Mar 10, 2023 |
| Certified by provider | Mar 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | L6137 | TX |
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 - Rheumatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 403 |
|---|---|
| Services billed | 64,246 across 40 procedure codes |
| Paid by Medicare | $1,175,365 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,417 · 5,319 30-day fills |
|---|---|
| Patients | 375 |
| Total drug cost | $2,755,963 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Kansas City University of Physicians and Surgeons |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Ctra PLLCCedar Park, TX · 5 clinicians
Industry payments (Open Payments)
- 2025$194,990 · 312 payments from 23 companies
- 2024$218,942 · 337 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $60,542 | 81 |
| Abbvie Inc. | $56,048 | 89 |
| Genzyme Corporation | $19,725 | 17 |
| Glaxosmithkline, LLC. | $14,582 | 17 |
| Mallinckrodt Hospital Products Inc. | $13,985 | 13 |
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$155,297 · 56 payments
- Travel and Lodging$16,824 · 49 payments
- Consulting Fee$15,724 · 4 payments
- Food and Beverage$7,145 · 203 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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