Doctor profile · Federal record

Dr. Roger Shammas, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Grand Rapids, MI

  • NPI 1346235595
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 E Paris Ave Se, Ste 200
Grand Rapids, MI 495463691
(616) 949-8554
fax (616) 949-6557

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
March 31, 2008
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Michigan #4301070756

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346235595. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,423
Distinct HCPCS
10
Medicare allowed
$63,132
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 286 220 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 124 123 $66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 103 56 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 78 74 $94
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 68 64 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 59 59 $66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 55 55 $126
93356 Heart muscle strain imaging 50 50 $14
76376 3d radiographic procedure 42 42 $9
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 38 36 $3

In context: peer comparison

Among 12 peers in this city , average services per provider: 69. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$265
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $167.47
Edwards Lifesciences Corporation 1 $33.59
Vital Connect, Inc 1 $26.62
Novartis Pharmaceuticals Corporation 1 $22.09
Lilly USA, LLC 1 $15.34

By nature of payment

Food and Beverage
$265

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,730
Patients
944
Total drug cost
$547,314
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 495 174 $15,187
Eliquis (Apixaban) Brand 338 83 $365,603
Atorvastatin Calcium Generic 312 101 $7,698
Amlodipine Besylate Generic 212 72 $2,649
Furosemide Generic 210 73 $1,657
Lisinopril Generic 198 66 $2,444
Losartan Potassium Generic 195 64 $4,619
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 140 50 $3,088
Metoprolol Tartrate Generic 111 51 $1,345
Carvedilol Generic 103 43 $2,051

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Roger Shammas's medical specialty?
Dr. Roger Shammas practices Cardiovascular Disease Physician in Grand Rapids, MI.
Where does Dr. Roger Shammas practice?
Dr. Roger Shammas practices at 1000 E Paris Ave Se, Grand Rapids, MI 495463691. Office phone: 6169498554.
What is Dr. Roger Shammas's NPI?
Dr. Roger Shammas's National Provider Identifier (NPI) is 1346235595, issued by NPPES.
Does Dr. Roger Shammas accept Medicare assignment?
Yes. Dr. Roger Shammas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger Shammas 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.