Stephen Immanuel Warren, MD
Cardiovascular Disease Physician · Lancaster, PA
Stephen Immanuel Warren, MD is a cardiovascular disease physician with a practice address in Lancaster, Pennsylvania, and NPI 1093277634, issued on Apr 3, 2019. Check the license (Pennsylvania MD490691, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephen Immanuel Warren
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- MD490691 PA
Self-reported in NPPES; status is on the state search - Practice location
- 217 Harrisburg Ave, Lancaster, PA 17603
- Phone
- (717) 544-8300
- Enumerated
- Apr 3, 2019
- Record last updated
- Oct 14, 2025
- Fax
- (717) 544-8265
- Medicare enrollment
- Enrolled (PECOS I20250711000368); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,476 in Pennsylvania → Look up another NPI →
Also registered at 217 Harrisburg Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Andersen, CRNPAcute Care Nurse Practitioner1023091394
- Rolf Andersen, M.D.Interventional Cardiology Physician1740257088
- Jeffrey Arkles, MDClinical Cardiac Electrophysiology Physician1841405222
- Sandeep Bansal, MD, MPHClinical Cardiac Electrophysiology Physician1861586133
- Matthew Bernabei, M.D.Clinical Cardiac Electrophysiology Physician1821056771
- Ross Biggs, D.O.Cardiovascular Disease Physician1942697610
Verify Stephen Immanuel Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD490691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
104 Medicare Part D claims for 21 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium14 claims
- Metoprolol Succinate12 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: $183.24
11 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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
- The Heart Group OF Lancaster General HealthLancaster, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Immanuel Warren among 1,476 cardiovascular disease physician records in Pennsylvania
Stephen Immanuel Warren, MD is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.
- NPI issued2019 · 94% of these records are older, 5% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2000 among the 1,003 with a school on file
- Record last updated2025 · 62% 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 Pennsylvania 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 Pennsylvania
There are 1,476 cardiovascular disease physician records in Pennsylvania.
All 1,476 in Pennsylvania → Every provider in Lancaster → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Rotilio Canosa, DOLancaster, PA 176031568416956
- Gurpinder Chatha, MDLancaster, PA 176031689796393
- Jeong Choi, MDLancaster, PA 176031497918213
- Neil Clark, M.D.Lancaster, PA 176031225005564
- William Finneran, M.D.Lancaster, PA 176031144209586
- David Guyer, MDLancaster, PA 176031710075080
- Zachary Huston, M.D.Lancaster, PA 176031184839813
- Joseluis Ibarra, M.D.Lancaster, PA 176031558338186
Common questions
What is Stephen Immanuel Warren, MD's NPI number?
Stephen Immanuel Warren, MD's National Provider Identifier (NPI) is 1093277634, issued on Apr 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Immanuel Warren, MD located?
The NPPES record lists a practice address at 217 Harrisburg Ave, Lancaster, PA, 17603. Phone: (717) 544-8300. Providers update this record themselves, so call before visiting.
How can I verify Stephen Immanuel Warren, MD's license?
NPPES lists Pennsylvania license number MD490691, 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 Stephen Immanuel Warren, MD prescribe under Medicare Part D?
In 2024, Stephen Immanuel Warren, MD had 104 Medicare Part D claims for 21 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.