Marc William Cromie Sr., M.D.
NPI 1083683668ActiveIndividual· Allergy & Immunology· Chattanooga, TN
Allergy & Immunology (M.D.) in Chattanooga, Tennessee, trained at Medical College of Georgia School of Medicine (class of 1996). In 2024 Medicare paid $1,715,207 for 699 patients, and Part D covered 7,169 of their prescriptions, 70% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 24 companies reporting payments in 2025, $31,358 in all, mostly speaking and faculty fees.
Overview
| NPI | 1083683668 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 16, 2006 |
| Last updated in NPPES | Apr 22, 2020 |
| Certified by provider | Apr 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | MD32158 | TN |
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 (GA); Practitioner - Allergy/Immunology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 699 |
|---|---|
| Services billed | 92,352 across 31 procedure codes |
| Paid by Medicare | $1,715,207 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,169 · 11,825 30-day fills |
|---|---|
| Patients | 1,284 |
| Total drug cost | $2,492,575 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Medical College of Georgia School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Chattanooga Allergy Clinic , PLLCHixson, TN · 19 clinicians
Hospital affiliation
- Memorial Healthcare System, IncChattanooga, TN
Industry payments (Open Payments)
- 2025$31,358 · 183 payments from 24 companies
- 2024$33,000 · 172 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $25,968 | 68 |
| Regeneron Pharmaceuticals, Inc. | $2,292 | 1 |
| Regeneron Healthcare Solutions, Inc. | $735.11 | 21 |
| Pfizer Inc. | $326.03 | 14 |
| Amgen Inc. | $319.78 | 5 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$24,895 · 20 payments
- Food and Beverage$4,171 · 162 payments
- Consulting Fee$2,292 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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