Marc Eisenbaum, M.D.
Internal Medicine Physician · Fairfax, VA
Marc Eisenbaum, M.D. is an internal medicine physician with a practice address in Fairfax, Virginia, and NPI 1083710008, issued on Sep 16, 2006. Check the license (Virginia 0101040504, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Marc Eisenbaum
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101040504 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3580 Joseph Siewick Dr Ste 304, Fairfax, VA 22033
- Phone
- (703) 758-8313
- Enumerated
- Sep 16, 2006
- Record last updated
- Jun 3, 2026
- Medicaid ID
- 006070400 VA
- Medicare enrollment
- Enrolled (PECOS I20101118000164); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Verify Marc Eisenbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101040504Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average internal medicine physician in 2024
4,569 Medicare Part D claims for 548 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 11 claims were for opioids.
Most prescribed
- Simvastatin473 claims
- Atenolol224 claims
- Hydrochlorothiazide218 claims
- Losartan Potassium214 claims
- Atorvastatin Calcium209 claims
- Amlodipine Besylate168 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): 87.9 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).
Bills Medicare through one group practice
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Eisenbaum among 3,599 internal medicine physician records in Virginia
Marc Eisenbaum, M.D. 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
- Graduated1981 · median 2003 among the 2,234 with a school on file
- Record last updated2026 · 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).
108 internal medicine physician records list a practice address in Fairfax
They are 108 of the 6,584 NPPES records with a practice address in Fairfax, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Fairfax → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Wasel Akbary, DOFairfax, VA 220331639189194
- Yodit Benalfew, MDFairfax, VA 220331699847186
- Adil Ghauri, M.D.Fairfax, VA 220331689671414
- Michael Golembieski, M.D.Fairfax, VA 220331912079476
- Michael Greene, M.D.Fairfax, VA 220331316045644
- Elizabeth Halabuk, M.D.Fairfax, VA 220331346214517
- Thienquang Le, M.D.Fairfax, VA 220331538254875
- Dolly Lent, M.D.Fairfax, VA 220331619979598
Common questions
What is Marc Eisenbaum, M.D.'s NPI number?
Marc Eisenbaum, M.D.'s National Provider Identifier (NPI) is 1083710008, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Eisenbaum, M.D. located?
The NPPES record lists a practice address at 3580 Joseph Siewick Dr Ste 304, Fairfax, VA, 22033. Phone: (703) 758-8313. Providers update this record themselves, so call before visiting.
How can I verify Marc Eisenbaum, M.D.'s license?
NPPES lists Virginia license number 0101040504, 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 Marc Eisenbaum, M.D. prescribe under Medicare Part D?
In 2024, Marc Eisenbaum, M.D. had 4,569 Medicare Part D claims for 548 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Marc Eisenbaum, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.9 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.