Ming-Tyh Maa, M.D.
NPI 1073718722ActiveIndividual· Internal Medicine, Pulmonary Disease· Walnut Creek, CA
Internal Medicine, Pulmonary Disease (M.D.) in Walnut Creek, California, trained at Eastern Virginia Medical School (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $628,430 for 777 claims, against $298,619 paid for services in 2024. Pulmonx Corporation was the largest of 20 companies reporting payments in 2025, $3,219 in all, mostly food and beverage.
Overview
| NPI | 1073718722 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2007 |
| Last updated in NPPES | Apr 22, 2024 |
| Certified by provider | Apr 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A111888 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | A111888 | CA |
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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 734 |
|---|---|
| Services billed | 3,033 across 54 procedure codes |
| Paid by Medicare | $298,619 |
Part D prescriptions in 2024
| Prescriptions (claims) | 777 · 1,145 30-day fills |
|---|---|
| Patients | 172 |
| Total drug cost | $628,430 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | Eastern Virginia Medical School |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical groups
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA · 113 clinicians
- Muir Pulmonary Critical CareWalnut Creek, CA · 13 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$3,219 · 51 payments from 20 companies
- 2024$10,329 · 73 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pulmonx Corporation | $1,466 | 13 |
| Olympus Corporation of the Americas | $470.44 | 7 |
| Inspire Medical Systems, Inc. | $246.87 | 3 |
| Intuitive Surgical, Inc. | $234.00 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $206.33 | 8 |
What the 2025 payments were for
- Food and Beverage$1,956 · 45 payments
- Travel and Lodging$1,263 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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