David P. Guss, M.D.
NPI 1578595815ActiveIndividual· Family Medicine· Washington, MO
Family Medicine (M.D.) in Washington, Missouri, trained at University of Missouri, Kansas City, School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $641,762 for 11,307 claims, against $84,390 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $765.16 in all, mostly food and beverage.
Overview
| NPI | 1578595815 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2004007606 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 2,976 across 117 procedure codes |
| Paid by Medicare | $84,390 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,307 · 27,607 30-day fills |
|---|---|
| Patients | 826 |
| Total drug cost | $641,762 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- American Multispecialty Group IncSaint Charles, MO · 116 clinicians
Hospital affiliation
- Mercy Hospital WashingtonWashington, MO
Other facilities
- Heartland Hospice (St Louis)Hospice · Saint Louis, MO
- Mercy HospiceHospice · Saint Louis, MO
- New Haven Hospice Care, IncHospice · New Haven, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$765.16 · 47 payments from 14 companies
- 2024$996.91 · 57 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $210.56 | 16 |
| Abbvie Inc. | $155.55 | 9 |
| Exact Sciences Corporation | $60.81 | 3 |
| Novo Nordisk Inc | $54.96 | 3 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $54.74 | 3 |
What the 2025 payments were for
- Food and Beverage$765.16 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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