Matthew Karulf, M.D.
Pulmonary Disease Internal Medicine
Matthew Karulf is a Pulmonary Disease Internal Medicine specialist based in Grand Rapids, MI with over 25 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Matthew Karulf, M.D. practices as part of a group pulmonologist practice in Grand Rapids, MI. A University of Colorado School of Medicine, Denver graduate since 2001, he brings 25+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and COPD.
Older · 1415dNPPES updated 2022-07-08 · verify NPI on CMS · Verify license at Michigan Board of Medicine
Contact & Location
Practice Location
4100 Lake Dr Se Suite 200, Grand Rapids, MI 49546-8292
How Does This Doctor Compare?
Generic Rx
↑ Higher = better36.1%
Michigan avg: 83.5 · US avg: 82.8
⚠ Lower than most doctors nationally(-46.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
231
Unique beneficiaries
Standard volumePrescription Recipients
79
Patients prescribed
Prescriptions Written
202
Total claims
Total Medicare drug cost: $104k
Percentile rankings compared against 1,194 reporting peers in Michigan.
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.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and COPD.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+39%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+10%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-7%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-2%) — less common here
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+9%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+9%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$676 received from industry
5 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Matthew Karulf's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2001
University of Colorado School of Medicine, Denver
Board certified · Jul 7, 2022
Self-reported via NPPES
25 years in practice
Experienced
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
University of Colorado School of Medicine, Denver (Class of 2001)
Mailing address
100 Michigan St Ne Mc845, Grand Rapids, MI 49503-2560
Differs from practice location
Virtual Pulmonary Disease Care With Matthew Karulf
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Matthew Karulf for blood pressure monitoring, cholesterol management, COPD management — no travel to Grand Rapids 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 Matthew Karulf
Dr. Karulf is listed as active in the NPI registry with telehealth listed in Grand Rapids, MI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (616) 267-8244.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Matthew Karulf
Practice Location
4100 Lake Dr Se Suite 200, Grand Rapids, MI 49546-8292
Mailing Address
100 Michigan St Ne Mc845, Grand Rapids, MI 49503-2560
This is a provider directory. Contact the office directly to schedule appointments.
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