Tina Raminder Singh, M.D.
NPI 1417197617ActiveIndividual· Family Medicine· Fairfield, CA
Family Medicine (M.D.) with John Muir Physician Network, practicing in Fairfield, California. Their prescriptions cost Medicare Part D more than their services did: $133,027 for 2,619 claims, against $33,776 paid for services in 2024. Merz North America, Inc. reported $178.52 in payments in 2025, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1417197617 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 27, 2009 |
| Last updated in NPPES | Jul 22, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A109571 | CA |
| Family Medicine | 207Q00000X | 187980 | PA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 193 |
|---|---|
| Services billed | 634 across 32 procedure codes |
| Paid by Medicare | $33,776 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,619 · 6,360 30-day fills |
|---|---|
| Patients | 349 |
| Total drug cost | $133,027 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- John Muir Home Health ServicesHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$178.52 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merz North America, Inc. | $178.52 | 5 |
What the 2025 payments were for
- Food and Beverage$178.52 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 78 family medicine physicians in Fairfield · All family medicine physicians in California