NPPES file of Aug 9, 2026

Lou Rornolo Mastrine, DO

Clinical Cardiac Electrophysiology Physician · Johnstown, PA

Lou Rornolo Mastrine, DO is a clinical cardiac electrophysiology physician with a practice address in Johnstown, Pennsylvania, and NPI 1891955308, issued on Jun 10, 2008. Check the license (Pennsylvania OS017717, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891955308
Name
Lou Rornolo Mastrine
Credential
DO
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License numbers
OS017717 PA
)S017717 PA
Self-reported in NPPES; status is on the state search
Practice location
1123 Franklin St, Johnstown, PA 15905
Phone
(814) 539-5340
Enumerated
Jun 10, 2008
Record last updated
Jul 6, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150821012960); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1123 Franklin St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Celena Calpin, CRNPFamily Nurse Practitioner1144738451
  2. Anwar Hussain, MDCardiovascular Disease Physician1437180106
  3. Daria Kordell, PA-CPhysician Assistant1831295757
  4. Charles Oschwald, MDCardiovascular Disease Physician1548291214
  5. Rod Wall, M.D.Cardiovascular Disease Physician1356376305

Verify Lou Rornolo Mastrine in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS017717
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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3.0 times the Medicare Part D claims of the average clinical cardiac electrophysiology physician in 2024

5,061 Medicare Part D claims for 697 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Lou Mastrine5,061
  2. Specialty average1,710

Most prescribed

  1. Eliquis829 claims
  2. Metoprolol Succinate431 claims
  3. Diltiazem 24hr Er (Cd)268 claims
  4. Metoprolol Tartrate262 claims
  5. Sotalol233 claims
  6. Entresto222 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: $4,277.66

67 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lou Mastrine$4,278
  2. Specialty average$10,651

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

  1. Dlp Conemaugh Physician Practices LLCJohnstown, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clinical Cardiac Electrophysiology Physician providers in Pennsylvania

There are 205 clinical cardiac electrophysiology physician records in Pennsylvania.

Other clinical cardiac electrophysiology physician records in Pennsylvania

  1. Gur Adhar, M.D.Pittsburgh, PA1609871052
  2. Jeffrey Arkles, MDLancaster, PA1841405222
  3. Konstantinos Aronis, MD, PHDPittsburgh, PA1841565298
  4. Sandeep Arora, M.D.Greensburg, PA1811123672
  5. Savalan Babapoor, MDPhiladelphia, PA1871955989
  6. Bradley Bacik, D.O.Philadelphia, PA1356377196
  7. Sandeep Bansal, MD, MPHLancaster, PA1861586133
  8. William BarringtonPittsburgh, PA1356313613
  9. Anuj Basil, MDPhiladelphia, PA1811131386
  10. Raveen BazazGreensburg, PA1356313563

Common questions

What is Lou Rornolo Mastrine, DO's NPI number?

Lou Rornolo Mastrine, DO's National Provider Identifier (NPI) is 1891955308, issued on Jun 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Lou Rornolo Mastrine, DO located?

The NPPES record lists a practice address at 1123 Franklin St, Johnstown, PA, 15905. Phone: (814) 539-5340. Providers update this record themselves, so call before visiting.

How can I verify Lou Rornolo Mastrine, DO's license?

NPPES lists Pennsylvania license number OS017717, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lou Rornolo Mastrine, DO prescribe under Medicare Part D?

In 2024, Lou Rornolo Mastrine, DO had 5,061 Medicare Part D claims for 697 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.