Sonum Singh, MD
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Christiana Care Health Services Inc and 1 other group, practicing in Chadds Ford, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $2,384,834 for 5,378 claims, against $54,160 paid for services in 2024. Dexcom, Inc. was the largest of 12 companies reporting payments in 2025, $11,688 in all, mostly compensation for serving as faculty or as a speaker for a me. Lists Chester County Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1659765873 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 25, 2015 |
| Last updated in NPPES | Jul 28, 2026 |
| Certified by provider | Jul 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD472557 | PA |
| Internal Medicine | 207R00000X | C1-0028312 | DE |
| Internal Medicine | 207R00000X | MD472557 | PA |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | C1-0028312 | DE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (DE); Practitioner - Endocrinology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 701 across 10 procedure codes |
| Paid by Medicare | $54,160 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,378 · 10,380 30-day fills |
|---|---|
| Patients | 577 |
| Total drug cost | $2,384,834 |
| Generic share | 38% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
- Christiana Care Pennsylvania IncGlen Mills, PA · 177 clinicians
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Christiana HospitalNewark, DE
Industry payments (Open Payments)
- 2025$11,688 · 32 payments from 12 companies
- 2024$1,456 · 63 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $11,212 | 11 |
| Novo Nordisk Inc | $127.74 | 5 |
| Amgen Inc. | $65.40 | 3 |
| Abbott Laboratories | $53.31 | 3 |
| Mannkind Corporation | $49.18 | 2 |
What the 2025 payments were for
- Compensation for serving as faculty or as a speaker for a medical education program$10,098 · 4 payments
- Travel and Lodging$840.46 · 4 payments
- Food and Beverage$749.71 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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