Cesar M. Plazas-Guzman, M.D.
NPI 1720407851ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Chesapeake, VA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Bayview Physician Services PC, practicing in Chesapeake, Virginia. Their prescriptions cost Medicare Part D more than their services did: $985,572 for 1,934 claims, against $178,778 paid for services in 2024. Novo Nordisk Inc was the largest of 29 companies reporting payments in 2025, $3,029 in all, mostly food and beverage. Lists Chesapeake General Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1720407851 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 16, 2014 |
| Last updated in NPPES | Sep 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 0101266487 | VA |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 0116026952 | VA |
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 - Endocrinology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 533 |
|---|---|
| Services billed | 8,525 across 17 procedure codes |
| Paid by Medicare | $178,778 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,934 · 4,871 30-day fills |
|---|---|
| Patients | 328 |
| Total drug cost | $985,572 |
| Generic share | 49% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Endocrinology |
Medical group
- Bayview Physician Services PCChesapeake, VA · 310 clinicians
Hospital affiliations
- Chesapeake General HospitalChesapeake, VA
- Sentara Leigh HospitalNorfolk, VA
- Sentara Norfolk General HospitalNorfolk, VA
- Sentara Princess Anne HospitalVirginia Beach, VA
- The Outer Banks Hospital, IncNags Head, NC
Industry payments (Open Payments)
- 2025$3,029 · 131 payments from 29 companies
- 2024$2,664 · 119 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $434.82 | 10 |
| Amgen Inc. | $371.81 | 14 |
| Mannkind Corporation | $242.81 | 14 |
| Corcept Therapeutics | $230.83 | 10 |
| Ascendis Pharma Endocrinology Inc | $199.07 | 13 |
What the 2025 payments were for
- Food and Beverage$2,998 · 127 payments
- Education$31.10 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Chesapeake
- 1912008723
- 1811028152
- 1639599723
- 1457512667
- 1477633980
- 1659462398
- 1043361835
- 1750576583
- 1093211039
- 1942838248
- 1114917176
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Virginia →