Ross I. Palis, M.D.
NPI 1669481701ActiveIndividual· Allergy & Immunology· Lakewood, CO
Allergy & Immunology (M.D.) in Lakewood, Colorado, trained at Vanderbilt University School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $383,762 for 1,079 claims, against $238,190 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $2,300 in all, mostly food and beverage.
Overview
| NPI | 1669481701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 7, 2006 |
| Last updated in NPPES | Feb 24, 2021 |
| Certified by provider | Feb 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 0065185 | CO |
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 - Allergy/Immunology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 10,471 across 26 procedure codes |
| Paid by Medicare | $238,190 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,079 · 1,627 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $383,762 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Colorado Allergy and Asthma Centers PCDenver, CO · 25 clinicians
Industry payments (Open Payments)
- 2025$2,300 · 111 payments from 18 companies
- 2024$1,344 · 87 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $674.12 | 32 |
| Regeneron Healthcare Solutions, Inc. | $413.63 | 17 |
| Novartis Pharmaceuticals Corporation | $277.27 | 13 |
| Pfizer Inc. | $144.95 | 13 |
| Glaxosmithkline, LLC. | $112.58 | 4 |
What the 2025 payments were for
- Food and Beverage$2,214 · 110 payments
- Education$85.47 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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