Carson Herschel Katzin Merenbloom, MD, MPH
Internal Medicine Physician · Winchester, VA
Carson Herschel Katzin Merenbloom, MD, MPH is an internal medicine physician with a practice address in Winchester, Virginia, and NPI 1447952866, issued on Mar 20, 2023. Check the license (Virginia 0101289470, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Carson Herschel Katzin Merenbloom
- Credential
- MD, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101289470 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1440 Amherst St, Winchester, VA 22601
- Phone
- (154) 053-6051
- Enumerated
- Mar 20, 2023
- Record last updated
- Jul 24, 2026
- Entity
- Type 1 · individual
Also registered at 1440 Amherst St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mavis Agyeiwaah, MDFamily Medicine Physician1902218944
- Kaitlyn Garnett, PAPhysician Assistant1043719461
- Stephanie Hoefle, MDFamily Medicine Physician1073509220
- Reed Larson, PA-CPhysician Assistant1245732619
- Sandra Meisinger, NPFamily Nurse Practitioner1891045639
- Shyama Rosenfeld, MDFamily Medicine Physician1497720098
Verify Carson Herschel Katzin Merenbloom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101289470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
144 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of 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.
76 internal medicine physician records list a practice address in Winchester
They are 76 of the 2,762 NPPES records with a practice address in Winchester, and 3,599 internal medicine physician records in Virginia.
All 76 in Winchester → All 3,599 in Virginia → Every provider in Winchester →
Other internal medicine physician records in Virginia
- Caren Aaron, M.D.Martinsville, VA1477538734
- Mark Aarons, M.D.Arlington, VA1730371774
- Estefania Abasolo Lopez, MDManassas, VA1043899545
- Salma Abbas, MDRichmond, VA1427303387
- Amir AbbasiRichmond, VA1851233548
- Gohar Abbasi, MDChester, VA1134198187
- Mustafa Abbasi, MDAlexandria, VA1316019912
- Layla Abdal Hussain, MDWoobridge, VA1801036942
- Marwa Abdelfattah, M.D.Culpeper, VA1225251572
- Ramy Abdelfattah, M.D.Fredericksburg, VA1437525748
Common questions
What is Carson Herschel Katzin Merenbloom, MD, MPH's NPI number?
Carson Herschel Katzin Merenbloom, MD, MPH's National Provider Identifier (NPI) is 1447952866, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Carson Herschel Katzin Merenbloom, MD, MPH located?
The NPPES record lists a practice address at 1440 Amherst St, Winchester, VA, 22601. Phone: (154) 053-6051. Providers update this record themselves, so call before visiting.
How can I verify Carson Herschel Katzin Merenbloom, MD, MPH's license?
NPPES lists Virginia license number 0101289470, 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 Carson Herschel Katzin Merenbloom, MD, MPH prescribe under Medicare Part D?
In 2024, Carson Herschel Katzin Merenbloom, MD, MPH had 144 Medicare Part D claims for 55 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.