Mark Sherman Chesnutt, MD

Pulmonary Disease Internal Medicine

Internal Medicine

Mark Sherman Chesnutt is a Pulmonary Disease Internal Medicine specialist based in Portland, OR with over 40 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: CRITICAL CARE (INTENSIVISTS)

(503) 494-7660Portland, OR
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Mark Sherman Chesnutt, MD practices as part of a group pulmonologist practice in Portland, OR. Trained at Oregon Health Sciences University School of Medicine (class of 1986), he has been practicing for over 40 years. Among his Medicare patients, common conditions include hypertension and afib (per CMS data). CMS MIPS quality score: 97.83/100 (2023).

At a glance

  • Federal MIPS score higher than 64% of MIPS-scored doctors in Oregon
  • Virtual visits available — no app or travel required
1 of 78 Internal Medicine providers in ORSee all Internal Medicine in Portland40+ years experienceNPI since 2006

Older · 6892dNPPES updated 2007-07-10 · verify NPI on CMS · Verify license at Oregon Medical Board

Contact & Location

Practice Location

3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in Oregon.

MIPS Score

2023

97.83/100

Oregon avg: 89.5 · US avg: 83.6

Higher than most doctors nationally(+14.2 pts)

Average range among MIPS-scored doctors in Oregon

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Medicare Patients

21

Unique beneficiaries

Boutique practice

Percentile rankings compared against 1,341 reporting peers in Oregon.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1986

    Oregon Health Sciences University School of Medicine

  2. 40 years in practice

    Senior practitioner

Internal MedicinePulmonary Disease in PortlandAllopathic & Osteopathic Physicians

Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.

Taxonomy: 207RP1001X

Education & Training

Oregon Health Sciences University School of Medicine (Class of 1986)

Virtual Pulmonary Disease Care With Mark Sherman Chesnutt

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Mark Sherman Chesnutt for blood pressure monitoring, follow-up consultations — no travel to Portland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Mark Sherman Chesnutt

Dr. Chesnutt is listed as active in the NPI registry with telehealth listed in Portland, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (503) 494-7660.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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