Mark Arthur Vollenweider, M.D.
NPI 1356331698ActiveIndividual· Internal Medicine, Pulmonary Disease· Orlando, FL
Internal Medicine, Pulmonary Disease (M.D.) with Orlando Health Medical Group Inc, practicing in Orlando, Florida. Mostly services rather than prescriptions: Medicare paid $62,347 for 228 patients in 2024, with only 21 Part D claims. Pulmonx Corporation was the largest of 3 companies reporting payments in 2025, $12,261 in all, mostly consulting fees. Lists Orlando Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1356331698 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 27, 2005 |
| Last updated in NPPES | Jun 24, 2021 |
| Certified by provider | Jun 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | ME103507 | FL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | ME103507 | FL |
| Internal Medicine | 207R00000X | 39482 | KY |
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 - Pulmonary Disease (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 228 |
|---|---|
| Services billed | 859 across 45 procedure codes |
| Paid by Medicare | $62,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 25 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $1,144 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Orlando Health Medical Group IncWindermere, FL · 2,287 clinicians
Hospital affiliations
- Orlando HealthOrlando, FL
- Orlando Health South Lake HospitalClermont, FL
- Orlando Health St Cloud HospitalSaint Cloud, FL
Industry payments (Open Payments)
- 2025$12,261 · 11 payments from 3 companies
- 2024$15,059 · 20 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pulmonx Corporation | $11,915 | 8 |
| Galvanize Therapeutics, Inc | $211.20 | 2 |
| Intuitive Surgical, Inc. | $135.00 | 1 |
What the 2025 payments were for
- Consulting Fee$10,750 · 4 payments
- Travel and Lodging$990.60 · 2 payments
- Food and Beverage$520.30 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 pulmonologists in Orlando · All pulmonologists in Florida