Doctor profile · Federal record
Dr. Matthew Karulf, M.D.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Grand Rapids, MI
- NPI 1912109083
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4100 Lake Dr Se, Suite 200
Grand Rapids, MI 495468292
(616) 267-8244
fax (616) 949-7272 - Mailing address
-
100 Michigan St Ne, Mc845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- July 8, 2022
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Oregon #MD27862
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912109083. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
604
Distinct HCPCS
10
Medicare allowed
$43,006
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
94729 |
Test to examine how well the lungs exchange gases | 54 | 54 | $8 | |
94726 |
Test to determine lung volumes using sensors | 52 | 52 | $11 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 50 | 48 | $171 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 47 | 47 | $168 | |
31624 |
Irrigation and suction of lung airways to obtain cells using an endoscope | 41 | 38 | $20 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 37 | 22 | $117 | |
94010 |
Test to measure expiratory airflow and volume | 36 | 36 | $8 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 33 | 33 | $9 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 33 | 31 | $83 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 31 | 29 | $139 |
In context: peer comparison
Among 11 peers in Grand Rapids Pulmonary Disease Physician, average services per provider: 40. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$676
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 4 | $661.89 | |
| GlaxoSmithKline, LLC. | 1 | $14.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
144
Patients
38
Total drug cost
$90,027
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) | Brand | 40 | 0 | $28,828 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 29 | 12 | $35,866 |
| Prednisone | Generic | 19 | 11 | $109 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 15 | 0 | $792 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 15 | 15 | $177 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 15 | 0 | $11,407 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 11 | 0 | $12,847 |
Frequently asked questions
What is Dr. Matthew Karulf's medical specialty?
Dr. Matthew Karulf practices Pulmonary Disease Physician in Grand Rapids, MI.
Where does Dr. Matthew Karulf practice?
Dr. Matthew Karulf practices at 4100 Lake Dr Se, Grand Rapids, MI 495468292. Office phone: 6162678244.
What is Dr. Matthew Karulf's NPI?
Dr. Matthew Karulf's National Provider Identifier (NPI) is 1912109083, issued by NPPES.
Does Dr. Matthew Karulf accept Medicare assignment?
Yes. Dr. Matthew Karulf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Karulf commonly perform?
Top Medicare-reported procedures in 2023: Test to examine how well the lungs exchange gases (HCPCS 94729); Test to determine lung volumes using sensors (HCPCS 94726); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.