Margaret B. Greenough, MD
NPI 1245542224ActiveIndividual· Family Medicine· San Luis Obispo, CA
Family Medicine (MD) with En Tirage Medspa, practicing in San Luis Obispo, California. Their prescriptions cost Medicare Part D more than their services did: $211,389 for 2,700 claims, against $17,218 paid for services in 2024. Revance Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $253.11 in all, mostly food and beverage. Lists Adventist Health Sierra Vista and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1245542224 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 8, 2010 |
| Last updated in NPPES | Sep 6, 2024 |
| Certified by provider | Sep 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A128317 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 158 across 12 procedure codes |
| Paid by Medicare | $17,218 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,700 · 7,134 30-day fills |
|---|---|
| Patients | 439 |
| Total drug cost | $211,389 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- En Tirage MedspaSan Luis Obispo, CA · 3 clinicians
Hospital affiliations
- Adventist Health Sierra VistaSan Luis Obispo, CA
- French Hospital Medical CenterSan Luis Obispo, CA
- Marian Regional Medical CenterSanta Maria, CA
Other facilities
- Central Coast Home Health IncHome health agency · San Luis Obispo, CA
Industry payments (Open Payments)
- 2025$253.11 · 3 payments from 2 companies
- 2024$17.16 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Revance Therapeutics, Inc. | $225.87 | 2 |
| Amgen Inc. | $27.24 | 1 |
What the 2025 payments were for
- Food and Beverage$253.11 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 61 family medicine physicians in San Luis Obispo · All family medicine physicians in California