Louis Kenneth Zweig, MD
Internal Medicine Physician · Arlington, VA
Louis Kenneth Zweig, MD is an internal medicine physician with a practice address in Arlington, Virginia, and NPI 1730197591, issued on Aug 4, 2006. Check the license (Virginia 0101227887, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Louis Kenneth Zweig
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101227887 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2445 Army Navy Dr Ste 400, Arlington, VA 22206
- Phone
- (703) 379-8879
- Enumerated
- Aug 4, 2006
- Record last updated
- Mar 6, 2025
- Fax
- (703) 998-6821
- Medicaid ID
- 010171270 VA
- Medicare enrollment
- Enrolled (PECOS I20040521000792); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 2445 Army Navy Dr Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sara Tariq, MDInternal Medicine Physician1013007590
- Jessica Ware, PA-CMedical Physician Assistant1003921008
Verify Louis Kenneth Zweig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101227887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,034 Medicare Part D claims for 177 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium114 claims
- Atorvastatin Calcium108 claims
- Levothyroxine Sodium69 claims
- Pravastatin Sodium66 claims
- Tamsulosin Hcl59 claims
- Metoprolol Succinate54 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: $699.39
32 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Northern Virginia Family Practice AssociatesWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis Kenneth Zweig among 3,599 internal medicine physician records in Virginia
Louis Kenneth Zweig, MD is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2003 among the 2,234 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 internal medicine physician records list a practice address in Arlington
They are 122 of the 3,510 NPPES records with a practice address in Arlington, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Arlington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dana Alsaadi, MDArlington, VA 222061316470198
- Elizabeth Cilenti, MDArlington, VA 222061124287776
- Judit Gordon-Cappitelli, MDArlington, VA 222061609042134
- Pamela Kasenetz, MDArlington, VA 222061649434556
- Christina Malekiani, M.D.Arlington, VA 222061790845790
- Hong Hanh Nguyen, D.O.Arlington, VA 222061073772430
- Purvi Patel, MDArlington, VA 222061275794133
- Yukmila Soriano, MDArlington, VA 222061598975864
Common questions
What is Louis Kenneth Zweig, MD's NPI number?
Louis Kenneth Zweig, MD's National Provider Identifier (NPI) is 1730197591, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis Kenneth Zweig, MD located?
The NPPES record lists a practice address at 2445 Army Navy Dr Ste 400, Arlington, VA, 22206. Phone: (703) 379-8879. Providers update this record themselves, so call before visiting.
How can I verify Louis Kenneth Zweig, MD's license?
NPPES lists Virginia license number 0101227887, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Louis Kenneth Zweig, MD prescribe under Medicare Part D?
In 2024, Louis Kenneth Zweig, MD had 2,034 Medicare Part D claims for 177 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.