Kaelin Colleen Merveldt, M.D.
NPI 1104088517ActiveIndividual· Internal Medicine, Nephrology· Oklahoma City, OK
Internal Medicine, Nephrology (M.D.) in Oklahoma City, Oklahoma, trained at University of Texas Medical School at Houston (class of 2008). In 2024 Medicare paid $256,797 for 724 patients, and Part D covered 2,059 of their prescriptions, 83% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $1,205 in all, mostly food and beverage.
Overview
| NPI | 1104088517 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 26, 2008 |
| Last updated in NPPES | Nov 5, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 29625 | OK |
| Internal Medicine | 207R00000X | 125.055161 | IL |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 724 |
|---|---|
| Services billed | 2,657 across 22 procedure codes |
| Paid by Medicare | $256,797 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,059 · 4,617 30-day fills |
|---|---|
| Patients | 372 |
| Total drug cost | $319,078 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Oklahoma Kidney Care PCOklahoma City, OK · 5 clinicians
Hospital affiliations
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
- Oklahoma Heart Hospital South, LLCOklahoma City, OK
- Oklahoma Heart Hospital, LLCOklahoma City, OK
- Share Medical CenterAlva, OK
- Weatherford Regional Hospital, Inc of WeatherfordWeatherford, OK
Other facilities
- Fmcna - Edmond EastDialysis facility · Edmond, OK
- Fmcna - Oklahoma Kidney Care Dx, LLCDialysis facility · Oklahoma City, OK
- Fmcna - Yukon JvDialysis facility · Yukon, OK
- Fresenius Kidney Care Okcd NorthlakeDialysis facility · Oklahoma City, OK
Industry payments (Open Payments)
- 2025$1,205 · 65 payments from 16 companies
- 2024$1,409 · 81 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $169.52 | 13 |
| Novartis Pharmaceuticals Corporation | $151.44 | 7 |
| Fresenius USA Marketing, Inc. | $137.80 | 11 |
| Shield Therapeutics Inc | $112.06 | 3 |
| Ardelyx, Inc. | $103.53 | 5 |
What the 2025 payments were for
- Food and Beverage$1,193 · 64 payments
- Education$11.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Oklahoma City
- 1003253410
- 1003956285
- 1033146550
- 1053316125
- 1063480309
- 1083903728
- 1104379239
- 1114922150
- 1134272933
- 1215258017
- 1265510101
- 1295005072
All 65 nephrologists in Oklahoma City · All nephrologists in Oklahoma