Marc S. Pieniek, MD
Cardiovascular Disease Physician · Plano, TX
Marc S. Pieniek, MD is a cardiovascular disease physician with a practice address in Plano, Texas, and NPI 1295793677, issued on May 3, 2006. Check the license (Texas K1621, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marc S. Pieniek
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- K1621 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3801 W 15TH St, Plano, TX 75075
- Phone
- (972) 985-8838
- Enumerated
- May 3, 2006
- Record last updated
- Sep 23, 2022
- Fax
- (844) 292-1457
- Medicaid IDs
- 118388104 TX
118388103 TX - Medicare enrollment
- Enrolled (PECOS I20101104000271); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3801 W 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rajjit Abrol, MDClinical Cardiac Electrophysiology Physician1164530739
- Beth Anglin, M.D.Surgical Oncology Physician1164518288
- Timothy Dao, M.D.Interventional Cardiology Physician1407029689
- Jennifer Darrow, M.D.Pediatrics Physician1477552610
- John Duncan, MDCardiovascular Disease Physician1396844064
- Eugene Henderson, MDCardiovascular Disease Physician1679537815
Verify Marc S. Pieniek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K1621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,964 Medicare Part D claims for 354 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Metoprolol Succinate283 claims
- Atorvastatin Calcium260 claims
- Amlodipine Besylate221 claims
- Eliquis208 claims
- Rosuvastatin Calcium161 claims
- Furosemide124 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.
The MIPS final score for 2023 (Medicare payment program): 81.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,620.06
66 payments; by number, the most common kind was food and beverage; the largest payer was Heartflow, Inc. 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
- Heartplace PLLCBedford, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cardiovascular Disease Physician providers in Texas
There are 1,603 cardiovascular disease physician records in Texas.
Other cardiovascular disease physician records in Texas
- Ismaile Abdalla, M.D.Amarillo, TX1386610285
- Amer Abdulla, MDGalveston, TX1437533205
- Nabeel Abdullah, MDPort Arthur, TX1952306565
- William Abide, M.D.San Marcos, TX1932307261
- Wael Abo-Auda, M.D.McKinney, TX1891782512
- Dia Abochamh, MDPort Arthur, TX1417952029
- Mehran Abolbashari, M.D.El Paso, TX1144633272
- Ossama Abou HassanTemple, TX1083252332
- David Abrams, MDAustin, TX1326049230
- Gerard Abreo, MDWebster, TX1225072507
Common questions
What is Marc S. Pieniek, MD's NPI number?
Marc S. Pieniek, MD's National Provider Identifier (NPI) is 1295793677, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc S. Pieniek, MD located?
The NPPES record lists a practice address at 3801 W 15TH St, Plano, TX, 75075. Phone: (972) 985-8838. Providers update this record themselves, so call before visiting.
How can I verify Marc S. Pieniek, MD's license?
NPPES lists Texas license number K1621, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc S. Pieniek, MD prescribe under Medicare Part D?
In 2024, Marc S. Pieniek, MD had 2,964 Medicare Part D claims for 354 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Marc S. Pieniek, MD's MIPS final score?
The 2023 MIPS final score is 81.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.