William Reid Litchfield, M. D.
NPI 1629078100ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Henderson, NV
Internal Medicine, Endocrinology, Diabetes & Metabolism (M. D.) with Wong and Litchfield Ltd, practicing in Henderson, Nevada. Their prescriptions cost Medicare Part D more than their services did: $2,886,531 for 5,372 claims, against $373,362 paid for services in 2024. Novo Nordisk Inc was the largest of 40 companies reporting payments in 2025, $47,175 in all, mostly speaking and faculty fees. Lists Saint Rose Dominican Hospitals - Siena Campus as a hospital affiliation.
Overview
| NPI | 1629078100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Jul 27, 2005 |
| Last updated in NPPES | Oct 6, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 8496 | NV |
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 - Endocrinology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 959 |
|---|---|
| Services billed | 17,391 across 17 procedure codes |
| Paid by Medicare | $373,362 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,372 · 14,090 30-day fills |
|---|---|
| Patients | 748 |
| Total drug cost | $2,886,531 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Wong and Litchfield LtdHenderson, NV · 5 clinicians
Hospital affiliation
- Saint Rose Dominican Hospitals - Siena CampusHenderson, NV
Industry payments (Open Payments)
- 2025$47,175 · 276 payments from 40 companies
- 2024$24,111 · 189 payments from 36 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $17,959 | 30 |
| Abbott Laboratories | $12,931 | 25 |
| Tandem Diabetes Care, Inc. | $10,968 | 18 |
| Insulet Corporation | $1,824 | 15 |
| Amgen Inc. | $279.08 | 18 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$24,772 · 10 payments
- Consulting Fee$6,750 · 1 payment
- Food and Beverage$6,061 · 238 payments
- Travel and Lodging$5,084 · 21 payments
- Compensation for serving as faculty or as a speaker for a medical education program$4,500 · 5 payments
- Education$7.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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