Upton Gardner Siddons Sr., MD
NPI 1871084301ActiveIndividual· Family Medicine· Greenwood, AR
Family Medicine (MD) with University of Arkansas for Medical Sciences and 1 other group, practicing in Greenwood, Arkansas. Their prescriptions cost Medicare Part D more than their services did: $759,442 for 10,026 claims, against $54,092 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $427.16 in all, mostly food and beverage. Lists Baptist Health - Fort Smith and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1871084301 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 21, 2018 |
| Last updated in NPPES | May 10, 2022 |
| Certified by provider | May 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | E-12892 | AR |
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 (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 1,556 across 70 procedure codes |
| Paid by Medicare | $54,092 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,026 · 18,159 30-day fills |
|---|---|
| Patients | 457 |
| Total drug cost | $759,442 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- University of Arkansas for Medical SciencesLittle Rock, AR · 1,175 clinicians
- Baptist Health ServicesFort Smith, AR · 98 clinicians
Hospital affiliations
- Baptist Health - Fort SmithFort Smith, AR
- Baptist Health Medical Center-Little RockLittle Rock, AR
- Mercy Hospital Fort SmithFort Smith, AR
Other facilities
- Adoration Home HealthHome health agency · Van Buren, AR
- Elite Home HealthHome health agency · Fort Smith, AR
- Kindred at Home 1Home health agency · Fort Smith, AR
- Mercy HospiceHospice · Fort Smith, AR
Industry payments (Open Payments)
- 2025$427.16 · 27 payments from 6 companies
- 2024$175.34 · 10 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $134.74 | 12 |
| Paratek Pharmaceuticals, Inc. | $109.20 | 6 |
| Dexcom, Inc. | $84.70 | 4 |
| Otsuka America Pharmaceutical, Inc. | $40.46 | 2 |
| Novo Nordisk Inc | $38.55 | 2 |
What the 2025 payments were for
- Food and Beverage$427.16 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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