DR. MATTHEW KARULF M.D.
NPI 1912109083
Internal Medicine - Pulmonary Disease in Grand Rapids, MI

Active since June 01, 2007PECOS EnrolledAccepts Medicare Assignment
4100 LAKE DR SE, SUITE 200, GRAND RAPIDS, MI 49546(616) 267-8244(616) 949-7272 Get Directions Write a Review

NPPES record last updated: July 8, 2022. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 8, 2022, Feb 24, 2021 (2 updates tracked since 2021).

About Dr. Matthew Karulf M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MATTHEW KARULF M.D. (NPI 1912109083) is an individual pulmonary disease provider in Grand Rapids, Michigan, licensed in Oregon (MD27862) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Uphs Marquette Dlp Hospital, and is a graduate of University Of Colorado School Of Medicine, Denver (2001).

NPPES Registry Identity

NPI1912109083
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. MATTHEW KARULFCredential: M.D.
Location Address4100 LAKE DR SE, SUITE 200Grand Rapids, MI 49546-8292
Mailing Address100 Michigan St Ne, Mc845Grand Rapids, MI 49503-2560 · (616) 486-6795
Fax(616) 949-7272
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2001
Enumeration DateJune 1, 2007
Last NPPES UpdateJuly 8, 20222 updates tracked since enumeration
NPPES CertifiedJuly 8, 2022
NPI 1912109083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in OR · MD27862
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
4100 LAKE DR SE, Grand Rapids, MI 49546

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Matthew Karulf M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971583634
PECOS Enrollment IDI20101209000814
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
95 services94 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
95 services94 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
76 services76 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
64 services61 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
64 services61 patients
Irrigation and suction of lung airways to obtain cells using an endoscope 31624
This is a procedure where a thin, flexible tube called an endoscope is inserted through your mouth into the lungs. A small amount of saline is then introduced to wash the airways. The fluid, along with cells from the lung, is suctioned back for analysis.
60 services55 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Uphs Marquette Dlp Hospital

Acute Care Hospitals · Marquette, MI
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number230054
Location850 W Baraga AveMarquette, MI 49855 · Marquette County
Emergency services Birthing friendly

Dickinson County Memorial Hospital

Acute Care Hospitals · Iron Mountain, MI
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number230055
Location1721 S Stephenson AveIron Mountain, MI 49801 · Dickinson County
Emergency services Birthing friendly

Up Health System Portage

Acute Care Hospitals · Hancock, MI
OwnershipVoluntary non-profit - Other
CMS Certification Number230108
Location500 Campus DriveHancock, MI 49930 · Houghton County
Emergency services Birthing friendly

Bell Hospital

Critical Access Hospitals · Ishpeming, MI
OwnershipProprietary
CMS Certification Number231321
Location901 Lakeshore DriveIshpeming, MI 49849 · Marquette County
Emergency services Birthing friendly

Osf St Francis Hospital And Medical Group

Critical Access Hospitals · Escanaba, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number231337
Location3401 Ludington StEscanaba, MI 49829 · Delta County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49546 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
4100 LAKE DR SE, SUITE 305
GRAND RAPIDS, MI 49546
Internal Medicine (Gastroenterology)
4100 LAKE DR SE, SUITE 205
GRAND RAPIDS, MI 49546
Internal Medicine (Pulmonary Disease)
4100 LAKE DR SE, SUITE 200
GRAND RAPIDS, MI 49546
Internal Medicine (Pulmonary Disease)
4100 LAKE DR SE, SUITE 200
GRAND RAPIDS, MI 49546
Dietitian, Registered
4100 LAKE DR SE, SUITE 200
GRAND RAPIDS, MI 49546
Orthopaedic Surgery
4100 LAKE DR SE, SUITE 300
GRAND RAPIDS, MI 49546
Physician Assistant
4100 LAKE DR SE, SUITE 205
GRAND RAPIDS, MI 49546
Specialist/Technologist (Athletic Trainer)
4100 LAKE DR SE, SUITE 300
GRAND RAPIDS, MI 49546

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Matthew Karulf's NPI number?

The NPI number for Matthew Karulf is 1912109083. It was assigned to this individual provider in the NPPES registry on June 1, 2007.

Where is Matthew Karulf located?

Matthew Karulf practices at 4100 Lake Dr SE Suite 200, Grand Rapids, MI 49546. The listed phone number is (616) 267-8244.

What is Matthew Karulf's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Matthew Karulf enrolled in Medicare?

Yes. Matthew Karulf is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Matthew Karulf accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Matthew Karulf as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Matthew Karulf affiliated with any hospitals?

According to CMS data, Matthew Karulf is affiliated with Uphs Marquette Dlp Hospital, Dickinson County Memorial Hospital, Up Health System Portage, Bell Hospital and Osf St Francis Hospital And Medical Group.

When was this NPI record last updated?

The NPPES record for Matthew Karulf was last updated on July 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.