DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Frisco, CO

4 verified internal medicine doctors in Frisco.

Internists specialize in the prevention, diagnosis, and treatment of adult diseases, often coordinating complex or chronic conditions across multiple systems.

NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.

Verify a license at the Colorado Medical Board

Dr. Marc Shiffman, MD

Internal Medicine

21 yrs NPPES
NPI 1639171440
730 SUMMIT BLVD, 101, Frisco, CO 80443(970) 668-3911
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Mark Norden, MD

Internal Medicine

21 yrs NPPES
NPI 1881670131
340 PEAK ONE DRIVE, Frisco, CO 80443(303) 885-4673
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Marc Schlesinger, MD

Internal Medicine

20 yrs NPPES
NPI 1982718714
340 PEAK ONE DRIVE, Frisco, CO 80443(630) 291-4749
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Durant Abernethy, MD

Internal Medicine

17 yrs NPPES
NPI 1427289040
360 PEAK ONE DRIVE, SUITE 260, Frisco, CO 80443(970) 668-5584
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $20.20 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$20.20

Total received

1

Transactions

1

Paying companies

Top paying companies

Exact Sciences Corporation$20.20

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 66th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Durant Abernethy do not imply any wrongdoing. Many are meals, education, or research support.

Internal Medicine in Frisco, CO — Verified | DoctorsProof | DoctorsProof