Nick Sina Pakzad, M.D.
NPI 1316280555ActiveIndividual· Internal Medicine, Pulmonary Disease· Walnut Creek, CA
Internal Medicine, Pulmonary Disease (M.D.) with John Muir Physician Network and 1 other group, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $705,759 for 690 claims, against $226,232 paid for services in 2024. United Therapeutics Corporation was the largest of 3 companies reporting payments in 2025, $54.41 in all, mostly food and beverage. Lists Alta Bates Summit Medical Center - Alta Bates Camp and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1316280555 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 5, 2013 |
| Last updated in NPPES | Apr 18, 2024 |
| Certified by provider | Apr 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A138152 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | A138152 | 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 | 585 |
|---|---|
| Services billed | 2,097 across 48 procedure codes |
| Paid by Medicare | $226,232 |
Part D prescriptions in 2024
| Prescriptions (claims) | 690 · 974 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $705,759 |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical groups
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
- Muir Pulmonary Critical CareWalnut Creek, CA · 13 clinicians
Hospital affiliations
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$54.41 · 3 payments from 3 companies
- 2024$26.02 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| United Therapeutics Corporation | $20.11 | 1 |
| Glaxosmithkline, LLC. | $17.52 | 1 |
| Lilly USA, LLC | $16.78 | 1 |
What the 2025 payments were for
- Food and Beverage$54.41 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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