David M. Huffman, MD
NPI 1811101256ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Chattanooga, TN
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Chattanooga, Tennessee, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $2,192,187 for 4,669 claims, against $173,717 paid for services in 2024. Novo Nordisk Inc was the largest of 32 companies reporting payments in 2025, $21,666 in all, mostly speaking and faculty fees.
Overview
| NPI | 1811101256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 9, 2007 |
| Last updated in NPPES | Mar 9, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | TNMD19974 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 521 |
|---|---|
| Services billed | 3,530 across 20 procedure codes |
| Paid by Medicare | $173,717 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,669 · 10,755 30-day fills |
|---|---|
| Patients | 502 |
| Total drug cost | $2,192,187 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- David M. Huffman, M.D.,p.C.Chattanooga, TN · 5 clinicians
Hospital affiliations
- Erlanger Medical CenterChattanooga, TN
- Memorial Healthcare System, IncChattanooga, TN
Industry payments (Open Payments)
- 2025$21,666 · 239 payments from 32 companies
- 2024$12,204 · 189 payments from 32 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $17,277 | 23 |
| Cequr Corporation | $604.24 | 32 |
| Amgen Inc. | $421.41 | 18 |
| Medtronic, Inc. | $345.34 | 7 |
| Sequel Med Tech, LLC | $329.49 | 9 |
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$12,177 · 5 payments
- Food and Beverage$5,003 · 227 payments
- Consulting Fee$2,790 · 2 payments
- Travel and Lodging$1,675 · 4 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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