Ann M. Granchelli, M.D.
NPI 1609019751ActiveIndividual· Internal Medicine, Pulmonary Disease· Greenwood Village, CO
Internal Medicine, Pulmonary Disease (M.D.) in Greenwood Village, Colorado, trained at University of Colorado School of Medicine, Denver (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $695,325 for 1,730 claims, against $42,546 paid for services in 2024. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $1,673 in all, mostly consulting fees.
Overview
| NPI | 1609019751 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 18, 2009 |
| Last updated in NPPES | Oct 8, 2025 |
| Certified by provider | Oct 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | CDRH.0056576 | 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 - Critical Care (Intensivists) (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 227 |
|---|---|
| Services billed | 389 across 21 procedure codes |
| Paid by Medicare | $42,546 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,730 · 2,654 30-day fills |
|---|---|
| Patients | 259 |
| Total drug cost | $695,325 |
| Generic share | 34% of claims |
Education and affiliations
| Medical school | University of Colorado School of Medicine, Denver |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
Medical groups
- National Jewish HealthDenver, CO · 247 clinicians
- Critical Care and Pulmonary Consultants, P.C.Greenwood Village, CO · 158 clinicians
Hospital affiliations
- HCA Healthone RoseDenver, CO
- Intermountain Health Lutheran HospitalWheat Ridge, CO
- National Jewish HealthDenver, CO
- The Medical Center of Aurora & South HospitalAurora, CO
Industry payments (Open Payments)
- 2025$1,673 · 6 payments from 2 companies
- 2024$144.94 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,575 | 2 |
| Insmed, Inc. | $97.53 | 4 |
What the 2025 payments were for
- Consulting Fee$1,425 · 1 payment
- Travel and Lodging$150.00 · 1 payment
- Food and Beverage$97.53 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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