Alexandra Greenberg, D.O.
NPI 1063852101ActiveIndividual· Internal Medicine, Gastroenterology· Brick, NJ
Internal Medicine, Gastroenterology (D.O.) in Brick, New Jersey, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $790,580 for 1,253 claims, against $179,693 paid for services in 2024. Janssen Biotech, Inc. was the largest of 18 companies reporting payments in 2025, $2,458 in all, mostly food and beverage.
Overview
| NPI | 1063852101 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2013 |
| Last updated in NPPES | Dec 6, 2024 |
| Certified by provider | Dec 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 25MB09979100 | NJ |
| Internal Medicine | 207R00000X | D01784 | NV |
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 - Gastroenterology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 945 |
|---|---|
| Services billed | 1,912 across 42 procedure codes |
| Paid by Medicare | $179,693 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,253 · 2,508 30-day fills |
|---|---|
| Patients | 321 |
| Total drug cost | $790,580 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Hackensack Meridian Health Medical Group - Specialty Care PCHackensack, NJ · 1,922 clinicians
- Allied Digestive Health LLCRed Bank, NJ · 286 clinicians
Hospital affiliations
- Community Medical CenterToms River, NJ
- Jfk University Medical CenterEdison, NJ
- Ocean Medical CenterBrick, NJ
- Southern Ocean Medical CenterManahawkin, NJ
Industry payments (Open Payments)
- 2025$2,458 · 109 payments from 18 companies
- 2024$2,144 · 102 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $673.36 | 17 |
| Abbvie Inc. | $601.10 | 41 |
| Lilly USA, LLC | $216.95 | 14 |
| Pfizer Inc. | $182.78 | 12 |
| Davol Inc. | $150.00 | 1 |
What the 2025 payments were for
- Food and Beverage$2,438 · 108 payments
- Grant$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 gastroenterologists in Brick · All gastroenterologists in New Jersey