Kathleen Srock, MD
NPI 1518921568ActiveIndividual· Internal Medicine, Rheumatology· Denver, CO
Internal Medicine, Rheumatology (MD) with Mountain Rheumatology LLC, practicing in Denver, Colorado. Their prescriptions cost Medicare Part D more than their services did: $3,504,353 for 3,839 claims, against $714,094 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 25 companies reporting payments in 2025, $2,670 in all, mostly food and beverage. Lists Centura Health-St Anthony Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1518921568 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 14, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 43456 | CO |
| Internal Medicine, Rheumatology | 207RR0500X | 0431460 | KS |
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 - Rheumatology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 361 |
|---|---|
| Services billed | 55,507 across 38 procedure codes |
| Paid by Medicare | $714,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,839 · 6,242 30-day fills |
|---|---|
| Patients | 460 |
| Total drug cost | $3,504,353 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mountain Rheumatology LLCColby, KS · 2 clinicians
Hospital affiliations
- Centura Health-St Anthony HospitalLakewood, CO
- HCA Healthone RoseDenver, CO
- San Luis Valley Regional Medical CenterAlamosa, CO
Industry payments (Open Payments)
- 2025$2,670 · 138 payments from 25 companies
- 2024$2,973 · 155 payments from 29 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $388.00 | 19 |
| Ucb, Inc. | $323.31 | 15 |
| Amgen Inc. | $310.08 | 17 |
| Abbvie Inc. | $223.69 | 12 |
| E.R. Squibb & Sons, L.L.C. | $191.69 | 14 |
What the 2025 payments were for
- Food and Beverage$2,670 · 138 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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