Nathaniel L. Haddock, M.D.
NPI 1659397065ActiveIndividual· Internal Medicine· Juneau, AK
Internal Medicine (M.D.) in Juneau, Alaska, trained at Indiana University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $2,170,946 for 9,511 claims, against $290,691 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $503.06 in all, mostly food and beverage.
Overview
| NPI | 1659397065 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 15, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4177 | AK |
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 - Internal Medicine (AK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 576 |
|---|---|
| Services billed | 6,108 across 93 procedure codes |
| Paid by Medicare | $290,691 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,511 · 23,956 30-day fills |
|---|---|
| Patients | 551 |
| Total drug cost | $2,170,946 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Bartlett Regional HospitalJuneau, AK · 7 clinicians
Hospital affiliations
- Bartlett Regional HospitalJuneau, AK
- Southeast Alaska Regional Health ConsortiumSitka, AK
Other facilities
- Bartlett Home Health and HospiceHome health agency · Juneau, AK
- Bartlett Home Health and HospiceHospice · Juneau, AK
Industry payments (Open Payments)
- 2025$503.06 · 21 payments from 7 companies
- 2024$560.99 · 28 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $152.72 | 8 |
| Glaxosmithkline, LLC. | $109.98 | 4 |
| Genzyme Corporation | $58.34 | 2 |
| E.R. Squibb & Sons, L.L.C. | $51.20 | 2 |
| Novartis Pharmaceuticals Corporation | $51.05 | 2 |
What the 2025 payments were for
- Food and Beverage$503.06 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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