Annemarie Whiddon, MD
NPI 1245312495ActiveIndividual· Internal Medicine, Rheumatology· Denver, CO
Internal Medicine, Rheumatology (MD) in Denver, Colorado, trained at University of Utah School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $2,905,146 for 2,842 claims, against $1,626,470 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 7 companies reporting payments in 2025, $435.78 in all, mostly food and beverage.
Overview
| NPI | 1245312495 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | Sep 7, 2023 |
| Certified by provider | Sep 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 46516 | CO |
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 | 567 |
|---|---|
| Services billed | 121,624 across 69 procedure codes |
| Paid by Medicare | $1,626,470 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,842 · 5,562 30-day fills |
|---|---|
| Patients | 407 |
| Total drug cost | $2,905,146 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical groups
- Denver Health and Hospital AuthorityDenver, CO · 849 clinicians
- Denver Arthritis Clinic PCLone Tree, CO · 13 clinicians
Hospital affiliations
- Adventhealth LittletonLittleton, CO
- Adventhealth ParkerParker, CO
- Denver Health & Hospital AuthorityDenver, CO
- HCA Healthone RoseDenver, CO
- Vail Health HospitalVail, CO
Industry payments (Open Payments)
- 2025$435.78 · 24 payments from 7 companies
- 2024$232.73 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $201.34 | 13 |
| Glaxosmithkline, LLC. | $70.83 | 3 |
| Abbvie Inc. | $43.12 | 2 |
| E.R. Squibb & Sons, L.L.C. | $38.98 | 2 |
| Genzyme Corporation | $31.34 | 2 |
What the 2025 payments were for
- Food and Beverage$435.78 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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