Nava Chana Greenfield, MD
NPI 1093080202ActiveIndividual· Dermatology· Concord, NH
Dermatology (MD) in Concord, New Hampshire, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $218,182 for 370 claims, against $88,535 paid for services in 2024. Pfizer Inc. was the largest of 14 companies reporting payments in 2025, $1,413 in all, mostly food and beverage.
Overview
| NPI | 1093080202 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 21, 2012 |
| Last updated in NPPES | Dec 12, 2025 |
| Certified by provider | Dec 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 20880 | NH |
| Dermatology | 207N00000X | 282621 | NY |
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 - Dermatology (NH); Practitioner - Dermatology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 298 |
|---|---|
| Services billed | 3,126 across 43 procedure codes |
| Paid by Medicare | $88,535 |
Part D prescriptions in 2024
| Prescriptions (claims) | 370 · 451 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $218,182 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Dermatology |
Medical groups
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
- Schweiger Dermatology PLLCNew York, NY · 260 clinicians
Hospital affiliation
- Mary Hitchcock Memorial HospitalLebanon, NH
Industry payments (Open Payments)
- 2025$1,413 · 82 payments from 14 companies
- 2024$1,508 · 103 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $295.15 | 17 |
| Abbvie Inc. | $249.76 | 19 |
| Leo Pharma Inc. | $192.21 | 14 |
| Galderma Laboratories, L.P. | $150.78 | 10 |
| Novartis Pharmaceuticals Corporation | $115.33 | 5 |
What the 2025 payments were for
- Food and Beverage$1,413 · 82 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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