Marc S. McMorris, MD
NPI 1104915032ActiveIndividual· Allergy & Immunology· Ann Arbor, MI
Allergy & Immunology (MD) in Ann Arbor, Michigan, trained at Jefferson Medical College of Thomas Jefferson University (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $118,390 for 264 claims, against $3,245 paid for services in 2024.
Overview
| NPI | 1104915032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 11, 2006 |
| Last updated in NPPES | Sep 22, 2020 |
| Certified by provider | Sep 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 4301405922 | MI |
| Pediatrics | 208000000X | 4301405922 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 508 across 8 procedure codes |
| Paid by Medicare | $3,245 |
Part D prescriptions in 2024
| Prescriptions (claims) | 264 · 451 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $118,390 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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