May Y. Mar, D.O.
NPI 1194110908ActiveIndividual· Family Medicine· Union City, CA
Family Medicine (D.O.) in Union City, California, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $183,966 for 4,791 claims, against $1,660 paid for services in 2024. Dexcom, Inc. reported $24.32 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1194110908 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 30, 2015 |
| Last updated in NPPES | Dec 13, 2022 |
| Certified by provider | Dec 12, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A20198 | CA |
| Family Medicine | 207Q00000X | OP60831174 | WA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 21 across 9 procedure codes |
| Paid by Medicare | $1,660 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,791 · 11,914 30-day fills |
|---|---|
| Patients | 580 |
| Total drug cost | $183,966 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
- 2024$24.32 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $24.32 | 1 |
What the 2024 payments were for
- Food and Beverage$24.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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