William Thomas Baker, D.O.
NPI 1215913447ActiveIndividual· Family Medicine· Las Cruces, NM
Family Medicine (D.O.) in Las Cruces, New Mexico, trained at Kansas City College of Medicine and Surgery (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $1,001,486 for 10,829 claims, against $217,412 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $377.66 in all, mostly food and beverage.
Overview
| NPI | 1215913447 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Dec 20, 2005 |
| Last updated in NPPES | Sep 8, 2020 |
| Certified by provider | Sep 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A-709NM | NM |
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 (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 574 |
|---|---|
| Services billed | 2,960 across 24 procedure codes |
| Paid by Medicare | $217,412 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,829 · 24,646 30-day fills |
|---|---|
| Patients | 687 |
| Total drug cost | $1,001,486 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Kansas City College of Medicine and Surgery |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Family Practice |
Medical group
- Las Cruces Physician Services LLCTulsa, OK · 118 clinicians
Hospital affiliations
- Christus Southern New MexicoAlamogordo, NM
- Memorial Medical CenterLas Cruces, NM
- Mountain View Regional Medical CenterLas Cruces, NM
- Three Crosses Regional Hospital LLCLas Cruces, NM
Other facilities
- Ambercare Home HealthHome health agency · Las Cruces, NM
- Enhabit Home HealthHome health agency · Las Cruces, NM
- Home Kare Inc of Dona AnaHome health agency · Las Cruces, NM
Industry payments (Open Payments)
- 2025$377.66 · 21 payments from 4 companies
- 2024$109.85 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $150.54 | 16 |
| Globus Medical, Inc. | $145.82 | 1 |
| Glaxosmithkline, LLC. | $45.69 | 2 |
| Abbvie Inc. | $35.61 | 2 |
What the 2025 payments were for
- Food and Beverage$377.66 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 148 family medicine physicians in Las Cruces · All family medicine physicians in New Mexico