Diana Alexander Whitehead, MD
NPI 1356661169ActiveIndividual· Internal Medicine, Gastroenterology· Pikesville, MD
Internal Medicine, Gastroenterology (MD) in Pikesville, Maryland, trained at State University of Ny Upstate Medical University (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $1,492,924 for 647 claims, against $108,660 paid for services in 2024. Janssen Biotech, Inc. was the largest of 14 companies reporting payments in 2025, $103,379 in all, mostly speaking and faculty fees.
Overview
| NPI | 1356661169 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 3, 2010 |
| Last updated in NPPES | Nov 7, 2025 |
| Certified by provider | Nov 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | D0081415 | MD |
| Internal Medicine, Gastroenterology | 207RG0100X | MD492456C | PA |
| Internal Medicine | 207R00000X | LP01946 | RI |
| Internal Medicine | 207R00000X | 16144 | NH |
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 (MD); Practitioner - Gastroenterology (NH); Practitioner - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 475 |
|---|---|
| Services billed | 2,861 across 47 procedure codes |
| Paid by Medicare | $108,660 |
Part D prescriptions in 2024
| Prescriptions (claims) | 647 · 1,026 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $1,492,924 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Wellspan Medical GroupEphrata, PA · 2,480 clinicians
- Core Physicians LLCExeter, NH · 289 clinicians
- Lifebridge Community Gastroenterology LLCPikesville, MD · 54 clinicians
Hospital affiliations
- Carroll Hospital CenterWestminster, MD
- Exeter Hospital IncExeter, NH
- Greater Baltimore Medical CenterBaltimore, MD
- Northwest Hospital CenterRandallstown, MD
- Wellspan Evangelical Community HospitalLewisburg, PA
Industry payments (Open Payments)
- 2025$103,379 · 156 payments from 14 companies
- 2024$78,376 · 148 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $98,426 | 97 |
| Abbvie Inc. | $4,345 | 29 |
| Takeda Pharmaceuticals U.S.A., Inc. | $115.10 | 5 |
| Ardelyx, Inc. | $90.04 | 4 |
| Genzyme Corporation | $75.62 | 3 |
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$80,960 · 28 payments
- Travel and Lodging$12,474 · 34 payments
- Consulting Fee$6,750 · 1 payment
- Food and Beverage$3,185 · 92 payments
- Education$9.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Pikesville
- 1033558416
- 1134921919