Roger Anthony Shammas, M.D.
Cardiovascular Disease Physician · Grand Rapids, MI
Roger Anthony Shammas, M.D. is a cardiovascular disease physician with a practice address in Grand Rapids, Michigan, and NPI 1346235595, issued on Sep 14, 2005. Check the license (Michigan 4301070756, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Roger Anthony Shammas
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 4301070756 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 E Paris Ave SE, Grand Rapids, MI 49546
- Phone
- (616) 949-8554
- Enumerated
- Sep 14, 2005
- Record last updated
- Mar 31, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (616) 949-6557
- Medicare enrollment
- Enrolled (PECOS I20040622001411); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 860 in Michigan → Look up another NPI →
Also registered at 1000 E Paris Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amber AndersonBehavior Technician1295420768
- Thomas Balaskas, M.D.Specialist1477548840
- Kadin Beck-Kusnier, BEHAVIORAL TECHBehavior Technician1114721826
- Esther BelliBehavior Technician1154106102
Verify Roger Anthony Shammas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301070756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,550 Medicare Part D claims for 656 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate476 claims
- Atorvastatin Calcium320 claims
- Eliquis288 claims
- Amlodipine Besylate184 claims
- Losartan Potassium177 claims
- Lisinopril173 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $265.11
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Advantage Health/saint Mary's Medical GroupGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roger Anthony Shammas among 860 cardiovascular disease physician records in Michigan
Roger Anthony Shammas, M.D. is one of 860 cardiovascular disease physician records with a practice address in Michigan. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1991 · median 1999 among the 606 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Michigan
There are 860 cardiovascular disease physician records in Michigan.
All 860 in Michigan → Every provider in Grand Rapids → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- John Formolo, M.D.Grand Rapids, MI 495461619921475
- Richard Foster, M.D.Grand Rapids, MI 495461316933765
- George Ghuneim, D.O.Grand Rapids, MI 495461881034791
- Chris Jacob, DOGrand Rapids, MI 495461790163962
- Prerana Manohar, M.D.Grand Rapids, MI 495461265423651
- Gregory Miller, M.D.Grand Rapids, MI 495461306831185
- Abdel Rahman Omer, M.D.Grand Rapids, MI 495461356607626
- Ronald Vanderlaan, MDGrand Rapids, MI 495461447299599
Common questions
What is Roger Anthony Shammas, M.D.'s NPI number?
Roger Anthony Shammas, M.D.'s National Provider Identifier (NPI) is 1346235595, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Roger Anthony Shammas, M.D. located?
The NPPES record lists a practice address at 1000 E Paris Ave SE, Grand Rapids, MI, 49546. Phone: (616) 949-8554. Providers update this record themselves, so call before visiting.
How can I verify Roger Anthony Shammas, M.D.'s license?
NPPES lists Michigan license number 4301070756, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roger Anthony Shammas, M.D. prescribe under Medicare Part D?
In 2024, Roger Anthony Shammas, M.D. had 3,550 Medicare Part D claims for 656 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.