Doctor profile · Federal record

Dr. Douglas Stewart, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Muskegon, MI

  • NPI 1639332091
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1212 E Sherman Blvd
Muskegon, MI 49444
(231) 672-3500
fax (231) 672-6199
Additional location
1102 W 32Nd St, Ste 300
Joplin, MO 648043503
(417) 347-5000
fax (417) 347-6454
Mailing address
Po Box 1847
Muskegon, MI 494431847

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
August 30, 2019
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (3)
Michigan #4301088719 · Missouri #2013021230 · Oklahoma #30048

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639332091. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,439
Distinct HCPCS
10
Medicare allowed
$50,216
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 521 446 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 107 107 $66
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 105 102 $83
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 86 81 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 67 35 $76
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 53 53 $20
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 53 53 $13
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 51 32 $48
99215 Established patient office or other outpatient visit, 40-54 minutes 38 35 $142
99213 Established patient office or other outpatient visit, 20-29 minutes 36 35 $68

In context: peer comparison

Among 5 peers in Muskegon Cardiovascular Disease Physician, average services per provider: 63. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$325
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 2 $188.43
Abiomed 4 $119.97
E.R. Squibb & Sons, L.L.C. 1 $16.92

By nature of payment

Food and Beverage
$325

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,282
Patients
353
Total drug cost
$352,221
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 288 68 $285,313
Metoprolol Succinate Generic 257 72 $5,079
Carvedilol Generic 116 35 $1,500
Clopidogrel (Clopidogrel Bisulfate) Brand 78 18 $834
Furosemide Generic 76 25 $375
Atorvastatin Calcium Generic 73 23 $1,077
Amiodarone Hcl Generic 65 28 $1,363
Entresto (Sacubitril/Valsartan) Brand 65 0 $53,129
Losartan Potassium Generic 65 20 $782
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 53 22 $951

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Stewart's medical specialty?
Dr. Douglas Stewart practices Cardiovascular Disease Physician in Muskegon, MI.
Where does Dr. Douglas Stewart practice?
Dr. Douglas Stewart practices at 1212 E Sherman Blvd, Muskegon, MI 49444. Office phone: 2316723500.
What is Dr. Douglas Stewart's NPI?
Dr. Douglas Stewart's National Provider Identifier (NPI) is 1639332091, issued by NPPES.
Does Dr. Douglas Stewart accept Medicare assignment?
Yes. Dr. Douglas Stewart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Stewart commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.