Timothy P. Baker, MD
NPI 1821079682ActiveIndividual· Family Medicine· Chandler, AZ
Family Medicine (MD) in Chandler, Arizona, trained at University of Arizona College of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $943,884 for 11,046 claims, against $160,281 paid for services in 2024. Pfizer Inc. was the largest of 20 companies reporting payments in 2025, $1,006 in all, mostly food and beverage.
Overview
| NPI | 1821079682 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 9, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20390 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 579 |
|---|---|
| Services billed | 2,847 across 47 procedure codes |
| Paid by Medicare | $160,281 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,046 · 27,703 30-day fills |
|---|---|
| Patients | 981 |
| Total drug cost | $943,884 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Family Practice |
Medical group
- Access Wellness ResourcesGrapevine, TX · 38 clinicians
Hospital affiliations
- Chandler Regional Medical CenterChandler, AZ
- Mercy Gilbert Medical CenterGilbert, AZ
Other facilities
- Banner Home Care-ArizonaHome health agency · Mesa, AZ
- Dignity Health at HomeHome health agency · Chandler, AZ
- Sweetheart Healthcare LLCHome health agency · Chandler, AZ
Industry payments (Open Payments)
- 2025$1,006 · 56 payments from 20 companies
- 2024$1,405 · 99 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $160.96 | 13 |
| Glaxosmithkline, LLC. | $120.02 | 5 |
| Novo Nordisk Inc | $74.42 | 4 |
| Dexcom, Inc. | $59.30 | 3 |
| Gilead Sciences, Inc. | $56.74 | 3 |
What the 2025 payments were for
- Food and Beverage$1,006 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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