Thomas Lanfear Griffiths, MD
NPI 1811217250ActiveIndividual· Anesthesiology· Denver, CO
Anesthesiology (MD) with Spectrum Health Primary Care Partners and 2 other groups, practicing in Denver, Colorado. Medicare paid $14,960 for services to 47 patients in 2024. Becton, Dickinson and Company reported $84.50 in payments in 2025, mostly food and beverage. Lists Billings Clinic Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1811217250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 8, 2010 |
| Last updated in NPPES | Jun 3, 2021 |
| Certified by provider | Jun 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | DR.0059924 | CO |
| Anesthesiology | 207L00000X | A117888 | CA |
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 - Anesthesiology (CO); Practitioner - Anesthesiology (MI); Practitioner - Anesthesiology (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 84 across 34 procedure codes |
| Paid by Medicare | $14,960 |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical groups
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
- Colorado Permanente Medical Group PCDenver, CO · 1,327 clinicians
- Billings Clinic Specialty Supplies and Services, LLCBillings, MT · 824 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$84.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Becton, Dickinson and Company | $84.50 | 1 |
What the 2025 payments were for
- Food and Beverage$84.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 255 anesthesiologists in Denver · All anesthesiologists in Colorado