Ayana Chase Greaves, MD
NPI 1720221815ActiveIndividual· Colon & Rectal Surgery· Fredericksburg, VA
Colon & Rectal Surgery (MD) in Fredericksburg, Virginia, trained at University of Chicago, Pritzker School of Medicine (class of 2009). 86 Medicare patients in 2024, $33,139 paid; all of their 107 Part D prescriptions were generic. Intuitive Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $7,150 in all, mostly education.
Overview
| NPI | 1720221815 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 20, 2009 |
| Last updated in NPPES | Aug 8, 2023 |
| Certified by provider | Aug 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 0101276595 | VA |
| Colon & Rectal Surgery | 208C00000X | 071673 | GA |
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 - Colorectal Surgery (Proctology) (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 86 |
|---|---|
| Services billed | 233 across 44 procedure codes |
| Paid by Medicare | $33,139 |
Part D prescriptions in 2024
| Prescriptions (claims) | 107 · 115 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $946.38 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | General Surgery |
Medical group
- Mary Washington Healthcare Providers LLCMc Lean, VA · 262 clinicians
Hospital affiliations
- Mary Washington HospitalFredericksburg, VA
- Stafford Hospital, LLCStafford, VA
Industry payments (Open Payments)
- 2025$7,150 · 16 payments from 2 companies
- 2024$77.21 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $7,124 | 15 |
| Aroa Biosurgery Incorporated | $26.30 | 1 |
What the 2025 payments were for
- Education$5,705 · 4 payments
- Travel and Lodging$1,223 · 5 payments
- Food and Beverage$221.89 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records