Wenyan Huang, MD
NPI 1629209879ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Rockville, MD
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Adventist Physician Services Inc, practicing in Rockville, Maryland. Their prescriptions cost Medicare Part D more than their services did: $1,194,074 for 2,439 claims, against $107,668 paid for services in 2024. Ars Pharmaceuticals Operations, Inc. was the largest of 3 companies reporting payments in 2025, $235.92 in all, mostly food and beverage. Lists Adventist Healthcare Shady Grove Medical Center as a hospital affiliation.
Overview
| NPI | 1629209879 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 6, 2009 |
| Last updated in NPPES | Mar 10, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | D0081714 | MD |
| Internal Medicine | 207R00000X | P24254 | MD |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 2015-00446 | NC |
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 - Endocrinology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 358 |
|---|---|
| Services billed | 1,840 across 15 procedure codes |
| Paid by Medicare | $107,668 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,439 · 5,763 30-day fills |
|---|---|
| Patients | 314 |
| Total drug cost | $1,194,074 |
| Generic share | 37% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Adventist Physician Services IncSilver Spring, MD · 148 clinicians
Hospital affiliation
- Adventist Healthcare Shady Grove Medical CenterRockville, MD
Industry payments (Open Payments)
- 2025$235.92 · 5 payments from 3 companies
- 2024$616.97 · 6 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ars Pharmaceuticals Operations, Inc. | $100.00 | 1 |
| Aerin Medical Inc. | $90.56 | 1 |
| Amphastar Pharmaceuticals, Inc. | $45.36 | 3 |
What the 2025 payments were for
- Food and Beverage$235.92 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 endocrinologists in Rockville · All endocrinologists in Maryland